* installing to library ‘/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages’
* installing *source* package ‘T4transport’ ...
** this is package ‘T4transport’ version ‘0.1.8’
** package ‘T4transport’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
specified C++20
using C++ compiler: ‘Debian clang version 23.1.0 (2)’
using C++20
make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpRHLo4v/R.INSTALL1fa39455bd174b/T4transport/src'
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c RcppExports.cpp -o RcppExports.o
In file included from RcppExports.cpp:4:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:198:1: warning: unused function template 'arma_stop_runtime_error' [-Wunused-template]
  198 | arma_stop_runtime_error(const T1& x)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:335:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  335 | arma_plain_warn(const T1& arg1)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:346:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  346 | arma_plain_warn(const T1& arg1, const T2& arg2)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
8 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c elementary.cpp -o elementary.o
In file included from elementary.cpp:1:
In file included from ./elementary.h:6:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
5 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c src_dist_ipot.cpp -o src_dist_ipot.o
In file included from src_dist_ipot.cpp:1:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:346:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  346 | arma_plain_warn(const T1& arg1, const T2& arg2)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
6 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c src_dist_pwdist.cpp -o src_dist_pwdist.o
In file included from src_dist_pwdist.cpp:1:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
5 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c src_dist_sinkhorn.cpp -o src_dist_sinkhorn.o
In file included from src_dist_sinkhorn.cpp:1:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:198:1: warning: unused function template 'arma_stop_runtime_error' [-Wunused-template]
  198 | arma_stop_runtime_error(const T1& x)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:335:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  335 | arma_plain_warn(const T1& arg1)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:346:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  346 | arma_plain_warn(const T1& arg1, const T2& arg2)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
8 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c src_fixed_bary_benamou.cpp -o src_fixed_bary_benamou.o
In file included from src_fixed_bary_benamou.cpp:1:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:346:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  346 | arma_plain_warn(const T1& arg1, const T2& arg2)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
6 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c src_fixed_bary_sinkhorn.cpp -o src_fixed_bary_sinkhorn.o
In file included from src_fixed_bary_sinkhorn.cpp:1:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:346:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  346 | arma_plain_warn(const T1& arg1, const T2& arg2)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
6 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c src_free_bary_GradientDescent.cpp -o src_free_bary_GradientDescent.o
In file included from src_free_bary_GradientDescent.cpp:1:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
5 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c src_free_median_GradientDescent.cpp -o src_free_median_GradientDescent.o
src_free_median_GradientDescent.cpp:43:10: warning: unused variable 'NN' [-Wunused-variable]
   43 |   double NN = static_cast<double>(N);
      |          ^~
src_free_median_GradientDescent.cpp:154:10: warning: unused variable 'NN' [-Wunused-variable]
  154 |   double NN = static_cast<double>(N);
      |          ^~
In file included from src_free_median_GradientDescent.cpp:1:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:346:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  346 | arma_plain_warn(const T1& arg1, const T2& arg2)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
8 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c src_gaussian.cpp -o src_gaussian.o
In file included from src_gaussian.cpp:1:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
5 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c src_gromov.cpp -o src_gromov.o
In file included from src_gromov.cpp:1:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:346:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  346 | arma_plain_warn(const T1& arg1, const T2& arg2)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
6 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c src_routines.cpp -o src_routines.o
In file included from src_routines.cpp:1:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:346:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  346 | arma_plain_warn(const T1& arg1, const T2& arg2)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
6 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c utility.cpp -o utility.o
In file included from utility.cpp:2:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
5 warnings generated.
clang++-23 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG -I../inst/include -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp  -fpic  -g -O3 -Wall -pedantic   -c utility_EMD.cpp -o utility_EMD.o
In file included from utility_EMD.cpp:8:
../inst/include/network_simplex_simple.h:312:32: warning: extra ';' inside a class [-Wextra-semi]
  312 |                 TEMPLATE_DIGRAPH_TYPEDEFS(GR);
      |                                              ^
In file included from utility_EMD.cpp:2:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:29:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:51:
In file included from /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo:436:
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:198:1: warning: unused function template 'arma_stop_runtime_error' [-Wunused-template]
  198 | arma_stop_runtime_error(const T1& x)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:241:1: warning: unused function template 'arma_print' [-Wunused-template]
  241 | arma_print(const T1& x, const T2& y)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:253:1: warning: unused function template 'arma_print' [-Wunused-template]
  253 | arma_print(const T1& x, const T2& y, const T3& z)
      | ^~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:335:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  335 | arma_plain_warn(const T1& arg1)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:346:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  346 | arma_plain_warn(const T1& arg1, const T2& arg2)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:357:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  357 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:368:1: warning: unused function template 'arma_plain_warn' [-Wunused-template]
  368 | arma_plain_warn(const T1& arg1, const T2& arg2, const T3& arg3, const T4& arg4)
      | ^~~~~~~~~~~~~~~
/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include/armadillo_bits/debug.hpp:545:1: warning: unused function template 'arma_incompat_size_string' [-Wunused-template]
  545 | arma_incompat_size_string(const subview_cube<eT>& Q, const Mat<eT>& A, const char* x)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~
9 warnings generated.
clang++-23 -std=gnu++20 -shared -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -Wl,-O1 -o T4transport.so RcppExports.o elementary.o src_dist_ipot.o src_dist_pwdist.o src_dist_sinkhorn.o src_fixed_bary_benamou.o src_fixed_bary_sinkhorn.o src_free_bary_GradientDescent.o src_free_median_GradientDescent.o src_gaussian.o src_gromov.o src_routines.o utility.o utility_EMD.o -fopenmp -llapack -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -lRblas -L/usr/lib/llvm-23/lib/clang/23/lib/linux -L/usr/lib/llvm-23/lib -lflang_rt.runtime -lm -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -lR
make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpRHLo4v/R.INSTALL1fa39455bd174b/T4transport/src'
make[1]: Entering directory '/home/hornik/tmp/scratch/RtmpRHLo4v/R.INSTALL1fa39455bd174b/T4transport/src'
make[1]: Leaving directory '/home/hornik/tmp/scratch/RtmpRHLo4v/R.INSTALL1fa39455bd174b/T4transport/src'
installing to /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/00LOCK-T4transport/00new/T4transport/libs
** R
** data
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (T4transport)