* installing to library ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages’
* installing *source* package ‘binGroup2’ ...
** this is package ‘binGroup2’ version ‘1.3.3’
** package ‘binGroup2’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: ‘g++-15 (Debian 15.2.0-12) 15.2.0’
make[1]: Entering directory '/tmp/RtmpW805g5/R.INSTALL188b235221a84f/binGroup2/src'
g++-15 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -DARMA_USE_CURRENT -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c Array.cpp -o Array.o
g++-15 -std=gnu++20 -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG -DARMA_USE_CURRENT -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c Hierarchical.cpp -o Hierarchical.o
Hierarchical.cpp: In function ‘arma::mat poolsize(int, int, std::string)’:
Hierarchical.cpp:109:15: error: reference to ‘span’ is ambiguous
  109 |           res(span::all,i)=res(span::all,i-1)/2;
      |               ^~~~
In file included from /usr/include/c++/15/format:51,
                 from /usr/include/c++/15/bits/chrono_io.h:41,
                 from /usr/include/c++/15/chrono:3378,
                 from /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo:53,
                 from /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/RcppArmadillo/interface/RcppArmadilloForward.h:57,
                 from /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/RcppArmadillo.h:32,
                 from Hierarchical.cpp:1:
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
In file included from /home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo:155:
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:109:32: error: reference to ‘span’ is ambiguous
  109 |           res(span::all,i)=res(span::all,i-1)/2;
      |                                ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:112:11: error: reference to ‘span’ is ambiguous
  112 |       res(span::all,S-1).fill(1);
      |           ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp: In function ‘double EFF_HIER(arma::vec, int, arma::mat, arma::mat, arma::vec)’:
Hierarchical.cpp:155:35: error: reference to ‘span’ is ambiguous
  155 |         mid = mid * pi_transition(span(0,3), span(j*4,j*4+3)) * P_operator_temp;
      |                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:155:46: error: reference to ‘span’ is ambiguous
  155 |         mid = mid * pi_transition(span(0,3), span(j*4,j*4+3)) * P_operator_temp;
      |                                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp: In function ‘arma::mat prob(arma::vec, int, arma::mat, arma::mat, arma::vec)’:
Hierarchical.cpp:204:35: error: reference to ‘span’ is ambiguous
  204 |         mid = mid * pi_transition(span(0,3), span(j*4,j*4+3)) * P_operator_temp;
      |                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:204:46: error: reference to ‘span’ is ambiguous
  204 |         mid = mid * pi_transition(span(0,3), span(j*4,j*4+3)) * P_operator_temp;
      |                                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp: In function ‘Rcpp::List ACCU_HIER(arma::vec, int, arma::mat, arma::mat, arma::vec)’:
Hierarchical.cpp:257:41: error: reference to ‘span’ is ambiguous
  257 |       PSe1_mid1=PSe1_mid1*pi_transition(span(0,3),span(s*4,s*4+3))*P_pos_neg;
      |                                         ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:257:51: error: reference to ‘span’ is ambiguous
  257 |       PSe1_mid1=PSe1_mid1*pi_transition(span(0,3),span(s*4,s*4+3))*P_pos_neg;
      |                                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:258:41: error: reference to ‘span’ is ambiguous
  258 |       PSe1_mid2=PSe1_mid2*pi_transition(span(0,3),span(s*4,s*4+3))*P_pos_pos;
      |                                         ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:258:51: error: reference to ‘span’ is ambiguous
  258 |       PSe1_mid2=PSe1_mid2*pi_transition(span(0,3),span(s*4,s*4+3))*P_pos_pos;
      |                                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:259:41: error: reference to ‘span’ is ambiguous
  259 |       PSe2_mid1=PSe2_mid1*pi_transition(span(0,3),span(s*4,s*4+3))*P_neg_pos;
      |                                         ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:259:51: error: reference to ‘span’ is ambiguous
  259 |       PSe2_mid1=PSe2_mid1*pi_transition(span(0,3),span(s*4,s*4+3))*P_neg_pos;
      |                                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:260:41: error: reference to ‘span’ is ambiguous
  260 |       PSe2_mid2=PSe2_mid2*pi_transition(span(0,3),span(s*4,s*4+3))*P_pos_pos;
      |                                         ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:260:51: error: reference to ‘span’ is ambiguous
  260 |       PSe2_mid2=PSe2_mid2*pi_transition(span(0,3),span(s*4,s*4+3))*P_pos_pos;
      |                                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:261:41: error: reference to ‘span’ is ambiguous
  261 |       PSp1_mid1=PSp1_mid1*pi_transition(span(0,3),span(s*4,s*4+3))*P_operator;
      |                                         ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:261:51: error: reference to ‘span’ is ambiguous
  261 |       PSp1_mid1=PSp1_mid1*pi_transition(span(0,3),span(s*4,s*4+3))*P_operator;
      |                                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:262:41: error: reference to ‘span’ is ambiguous
  262 |       PSp1_mid2=PSp1_mid2*pi_transition(span(0,3),span(s*4,s*4+3))*P_neg_pos;
      |                                         ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:262:51: error: reference to ‘span’ is ambiguous
  262 |       PSp1_mid2=PSp1_mid2*pi_transition(span(0,3),span(s*4,s*4+3))*P_neg_pos;
      |                                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:263:41: error: reference to ‘span’ is ambiguous
  263 |       PSp2_mid1=PSp2_mid1*pi_transition(span(0,3),span(s*4,s*4+3))*P_operator;
      |                                         ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:263:51: error: reference to ‘span’ is ambiguous
  263 |       PSp2_mid1=PSp2_mid1*pi_transition(span(0,3),span(s*4,s*4+3))*P_operator;
      |                                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:264:41: error: reference to ‘span’ is ambiguous
  264 |       PSp2_mid2=PSp2_mid2*pi_transition(span(0,3),span(s*4,s*4+3))*P_pos_neg;
      |                                         ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:264:51: error: reference to ‘span’ is ambiguous
  264 |       PSp2_mid2=PSp2_mid2*pi_transition(span(0,3),span(s*4,s*4+3))*P_pos_neg;
      |                                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp: In function ‘Rcpp::List OPT(arma::vec, arma::mat, arma::mat, int, std::string, std::string)’:
Hierarchical.cpp:310:33: error: reference to ‘span’ is ambiguous
  310 |       temp(i,0)=EFF_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(i,span::all)));
      |                                 ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:310:71: error: reference to ‘span’ is ambiguous
  310 |       temp(i,0)=EFF_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(i,span::all)));
      |                                                                       ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:310:85: error: reference to ‘span’ is ambiguous
  310 |       temp(i,0)=EFF_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(i,span::all)));
      |                                                                                     ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:310:123: error: reference to ‘span’ is ambiguous
  310 |       temp(i,0)=EFF_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(i,span::all)));
      |                                                                                                                           ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:310:148: error: reference to ‘span’ is ambiguous
  310 |       temp(i,0)=EFF_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(i,span::all)));
      |                                                                                                                                                    ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:311:34: error: reference to ‘span’ is ambiguous
  311 |       temp(i,1)=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(i,span::all)))["ACCU"];
      |                                  ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:311:72: error: reference to ‘span’ is ambiguous
  311 |       temp(i,1)=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(i,span::all)))["ACCU"];
      |                                                                        ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:311:86: error: reference to ‘span’ is ambiguous
  311 |       temp(i,1)=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(i,span::all)))["ACCU"];
      |                                                                                      ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:311:124: error: reference to ‘span’ is ambiguous
  311 |       temp(i,1)=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(i,span::all)))["ACCU"];
      |                                                                                                                            ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:311:149: error: reference to ‘span’ is ambiguous
  311 |       temp(i,1)=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(i,span::all)))["ACCU"];
      |                                                                                                                                                     ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:315:27: error: reference to ‘span’ is ambiguous
  315 |       double mid=min(temp(span::all,0));
      |                           ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:316:31: error: reference to ‘span’ is ambiguous
  316 |       arma::uvec q1=find(temp(span::all,0)==mid);
      |                               ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:318:34: error: reference to ‘span’ is ambiguous
  318 |       List mid1=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(q1d,span::all)));
      |                                  ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:318:72: error: reference to ‘span’ is ambiguous
  318 |       List mid1=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(q1d,span::all)));
      |                                                                        ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:318:86: error: reference to ‘span’ is ambiguous
  318 |       List mid1=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(q1d,span::all)));
      |                                                                                      ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:318:124: error: reference to ‘span’ is ambiguous
  318 |       List mid1=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(q1d,span::all)));
      |                                                                                                                            ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:318:151: error: reference to ‘span’ is ambiguous
  318 |       List mid1=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(q1d,span::all)));
      |                                                                                                                                                       ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:321:14: error: reference to ‘span’ is ambiguous
  321 |       ps(S-2,span(0,S-1))=pools(q1d,span::all);
      |              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:321:37: error: reference to ‘span’ is ambiguous
  321 |       ps(S-2,span(0,S-1))=pools(q1d,span::all);
      |                                     ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:323:26: error: reference to ‘span’ is ambiguous
  323 |       arma::vec MAR=temp(span::all,1)/temp(span::all,0);
      |                          ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:323:44: error: reference to ‘span’ is ambiguous
  323 |       arma::vec MAR=temp(span::all,1)/temp(span::all,0);
      |                                            ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:325:30: error: reference to ‘span’ is ambiguous
  325 |       arma::uvec q1=find(MAR(span::all)==mid);
      |                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:327:34: error: reference to ‘span’ is ambiguous
  327 |       List mid1=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(q1d,span::all)));
      |                                  ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:327:72: error: reference to ‘span’ is ambiguous
  327 |       List mid1=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(q1d,span::all)));
      |                                                                        ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:327:86: error: reference to ‘span’ is ambiguous
  327 |       List mid1=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(q1d,span::all)));
      |                                                                                      ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:327:124: error: reference to ‘span’ is ambiguous
  327 |       List mid1=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(q1d,span::all)));
      |                                                                                                                            ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:327:151: error: reference to ‘span’ is ambiguous
  327 |       List mid1=ACCU_HIER(p,S,SE(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),SP(span((S+1)*(S-2)/2,(S+1)*(S-2)/2+S-1),span::all),trans(pools(q1d,span::all)));
      |                                                                                                                                                       ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:330:14: error: reference to ‘span’ is ambiguous
  330 |       ps(S-2,span(0,S-1))=pools(q1d,span::all);
      |              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:330:37: error: reference to ‘span’ is ambiguous
  330 |       ps(S-2,span(0,S-1))=pools(q1d,span::all);
      |                                     ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp: In function ‘Rcpp::List optimal_stage(double, arma::mat, arma::mat, arma::vec, arma::vec, int, std::string, std::string)’:
Hierarchical.cpp:367:34: error: reference to ‘span’ is ambiguous
  367 |           two(k)=EFF_HIER(p,2,SE(span(0,1),span::all),SP(span(0,1),span::all),trans(pool2(k,span::all)));
      |                                  ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:367:44: error: reference to ‘span’ is ambiguous
  367 |           two(k)=EFF_HIER(p,2,SE(span(0,1),span::all),SP(span(0,1),span::all),trans(pool2(k,span::all)));
      |                                            ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:367:58: error: reference to ‘span’ is ambiguous
  367 |           two(k)=EFF_HIER(p,2,SE(span(0,1),span::all),SP(span(0,1),span::all),trans(pool2(k,span::all)));
      |                                                          ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:367:68: error: reference to ‘span’ is ambiguous
  367 |           two(k)=EFF_HIER(p,2,SE(span(0,1),span::all),SP(span(0,1),span::all),trans(pool2(k,span::all)));
      |                                                                    ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:367:93: error: reference to ‘span’ is ambiguous
  367 |           two(k)=EFF_HIER(p,2,SE(span(0,1),span::all),SP(span(0,1),span::all),trans(pool2(k,span::all)));
      |                                                                                             ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:368:36: error: reference to ‘span’ is ambiguous
  368 |           two1(k)=ACCU_HIER(p,2,SE(span(0,1),span::all),SP(span(0,1),span::all),trans(pool2(k,span::all)))["ACCU"];
      |                                    ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:368:46: error: reference to ‘span’ is ambiguous
  368 |           two1(k)=ACCU_HIER(p,2,SE(span(0,1),span::all),SP(span(0,1),span::all),trans(pool2(k,span::all)))["ACCU"];
      |                                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:368:60: error: reference to ‘span’ is ambiguous
  368 |           two1(k)=ACCU_HIER(p,2,SE(span(0,1),span::all),SP(span(0,1),span::all),trans(pool2(k,span::all)))["ACCU"];
      |                                                            ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:368:70: error: reference to ‘span’ is ambiguous
  368 |           two1(k)=ACCU_HIER(p,2,SE(span(0,1),span::all),SP(span(0,1),span::all),trans(pool2(k,span::all)))["ACCU"];
      |                                                                      ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:368:95: error: reference to ‘span’ is ambiguous
  368 |           two1(k)=ACCU_HIER(p,2,SE(span(0,1),span::all),SP(span(0,1),span::all),trans(pool2(k,span::all)))["ACCU"];
      |                                                                                               ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:376:36: error: reference to ‘span’ is ambiguous
  376 |           three(k)=EFF_HIER(p,3,SE(span(2,4),span::all),SP(span(2,4),span::all),trans(pool3(k,span::all)));
      |                                    ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:376:46: error: reference to ‘span’ is ambiguous
  376 |           three(k)=EFF_HIER(p,3,SE(span(2,4),span::all),SP(span(2,4),span::all),trans(pool3(k,span::all)));
      |                                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:376:60: error: reference to ‘span’ is ambiguous
  376 |           three(k)=EFF_HIER(p,3,SE(span(2,4),span::all),SP(span(2,4),span::all),trans(pool3(k,span::all)));
      |                                                            ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:376:70: error: reference to ‘span’ is ambiguous
  376 |           three(k)=EFF_HIER(p,3,SE(span(2,4),span::all),SP(span(2,4),span::all),trans(pool3(k,span::all)));
      |                                                                      ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:376:95: error: reference to ‘span’ is ambiguous
  376 |           three(k)=EFF_HIER(p,3,SE(span(2,4),span::all),SP(span(2,4),span::all),trans(pool3(k,span::all)));
      |                                                                                               ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:377:38: error: reference to ‘span’ is ambiguous
  377 |           three1(k)=ACCU_HIER(p,3,SE(span(2,4),span::all),SP(span(2,4),span::all),trans(pool3(k,span::all)))["ACCU"];
      |                                      ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:377:48: error: reference to ‘span’ is ambiguous
  377 |           three1(k)=ACCU_HIER(p,3,SE(span(2,4),span::all),SP(span(2,4),span::all),trans(pool3(k,span::all)))["ACCU"];
      |                                                ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:377:62: error: reference to ‘span’ is ambiguous
  377 |           three1(k)=ACCU_HIER(p,3,SE(span(2,4),span::all),SP(span(2,4),span::all),trans(pool3(k,span::all)))["ACCU"];
      |                                                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:377:72: error: reference to ‘span’ is ambiguous
  377 |           three1(k)=ACCU_HIER(p,3,SE(span(2,4),span::all),SP(span(2,4),span::all),trans(pool3(k,span::all)))["ACCU"];
      |                                                                        ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:377:97: error: reference to ‘span’ is ambiguous
  377 |           three1(k)=ACCU_HIER(p,3,SE(span(2,4),span::all),SP(span(2,4),span::all),trans(pool3(k,span::all)))["ACCU"];
      |                                                                                                 ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:385:35: error: reference to ‘span’ is ambiguous
  385 |           four(k)=EFF_HIER(p,4,SE(span(5,8),span::all),SP(span(5,8),span::all),trans(pool4(k,span::all)));
      |                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:385:45: error: reference to ‘span’ is ambiguous
  385 |           four(k)=EFF_HIER(p,4,SE(span(5,8),span::all),SP(span(5,8),span::all),trans(pool4(k,span::all)));
      |                                             ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:385:59: error: reference to ‘span’ is ambiguous
  385 |           four(k)=EFF_HIER(p,4,SE(span(5,8),span::all),SP(span(5,8),span::all),trans(pool4(k,span::all)));
      |                                                           ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:385:69: error: reference to ‘span’ is ambiguous
  385 |           four(k)=EFF_HIER(p,4,SE(span(5,8),span::all),SP(span(5,8),span::all),trans(pool4(k,span::all)));
      |                                                                     ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:385:94: error: reference to ‘span’ is ambiguous
  385 |           four(k)=EFF_HIER(p,4,SE(span(5,8),span::all),SP(span(5,8),span::all),trans(pool4(k,span::all)));
      |                                                                                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:386:37: error: reference to ‘span’ is ambiguous
  386 |           four1(k)=ACCU_HIER(p,4,SE(span(5,8),span::all),SP(span(5,8),span::all),trans(pool4(k,span::all)))["ACCU"];
      |                                     ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:386:47: error: reference to ‘span’ is ambiguous
  386 |           four1(k)=ACCU_HIER(p,4,SE(span(5,8),span::all),SP(span(5,8),span::all),trans(pool4(k,span::all)))["ACCU"];
      |                                               ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:386:61: error: reference to ‘span’ is ambiguous
  386 |           four1(k)=ACCU_HIER(p,4,SE(span(5,8),span::all),SP(span(5,8),span::all),trans(pool4(k,span::all)))["ACCU"];
      |                                                             ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:386:71: error: reference to ‘span’ is ambiguous
  386 |           four1(k)=ACCU_HIER(p,4,SE(span(5,8),span::all),SP(span(5,8),span::all),trans(pool4(k,span::all)))["ACCU"];
      |                                                                       ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:386:96: error: reference to ‘span’ is ambiguous
  386 |           four1(k)=ACCU_HIER(p,4,SE(span(5,8),span::all),SP(span(5,8),span::all),trans(pool4(k,span::all)))["ACCU"];
      |                                                                                                ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:393:35: error: reference to ‘span’ is ambiguous
  393 |           five(k)=EFF_HIER(p,5,SE(span(9,13),span::all),SP(span(9,13),span::all),trans(pool5(k,span::all)));
      |                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:393:46: error: reference to ‘span’ is ambiguous
  393 |           five(k)=EFF_HIER(p,5,SE(span(9,13),span::all),SP(span(9,13),span::all),trans(pool5(k,span::all)));
      |                                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:393:60: error: reference to ‘span’ is ambiguous
  393 |           five(k)=EFF_HIER(p,5,SE(span(9,13),span::all),SP(span(9,13),span::all),trans(pool5(k,span::all)));
      |                                                            ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:393:71: error: reference to ‘span’ is ambiguous
  393 |           five(k)=EFF_HIER(p,5,SE(span(9,13),span::all),SP(span(9,13),span::all),trans(pool5(k,span::all)));
      |                                                                       ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:393:96: error: reference to ‘span’ is ambiguous
  393 |           five(k)=EFF_HIER(p,5,SE(span(9,13),span::all),SP(span(9,13),span::all),trans(pool5(k,span::all)));
      |                                                                                                ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:394:37: error: reference to ‘span’ is ambiguous
  394 |           five1(k)=ACCU_HIER(p,5,SE(span(9,13),span::all),SP(span(9,13),span::all),trans(pool5(k,span::all)))["ACCU"];
      |                                     ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:394:48: error: reference to ‘span’ is ambiguous
  394 |           five1(k)=ACCU_HIER(p,5,SE(span(9,13),span::all),SP(span(9,13),span::all),trans(pool5(k,span::all)))["ACCU"];
      |                                                ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:394:62: error: reference to ‘span’ is ambiguous
  394 |           five1(k)=ACCU_HIER(p,5,SE(span(9,13),span::all),SP(span(9,13),span::all),trans(pool5(k,span::all)))["ACCU"];
      |                                                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:394:73: error: reference to ‘span’ is ambiguous
  394 |           five1(k)=ACCU_HIER(p,5,SE(span(9,13),span::all),SP(span(9,13),span::all),trans(pool5(k,span::all)))["ACCU"];
      |                                                                         ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:394:98: error: reference to ‘span’ is ambiguous
  394 |           five1(k)=ACCU_HIER(p,5,SE(span(9,13),span::all),SP(span(9,13),span::all),trans(pool5(k,span::all)))["ACCU"];
      |                                                                                                  ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:401:34: error: reference to ‘span’ is ambiguous
  401 |           six(k)=EFF_HIER(p,6,SE(span(14,19),span::all),SP(span(14,19),span::all),trans(pool6(k,span::all)));
      |                                  ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:401:46: error: reference to ‘span’ is ambiguous
  401 |           six(k)=EFF_HIER(p,6,SE(span(14,19),span::all),SP(span(14,19),span::all),trans(pool6(k,span::all)));
      |                                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:401:60: error: reference to ‘span’ is ambiguous
  401 |           six(k)=EFF_HIER(p,6,SE(span(14,19),span::all),SP(span(14,19),span::all),trans(pool6(k,span::all)));
      |                                                            ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:401:72: error: reference to ‘span’ is ambiguous
  401 |           six(k)=EFF_HIER(p,6,SE(span(14,19),span::all),SP(span(14,19),span::all),trans(pool6(k,span::all)));
      |                                                                        ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:401:97: error: reference to ‘span’ is ambiguous
  401 |           six(k)=EFF_HIER(p,6,SE(span(14,19),span::all),SP(span(14,19),span::all),trans(pool6(k,span::all)));
      |                                                                                                 ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:402:36: error: reference to ‘span’ is ambiguous
  402 |           six1(k)=ACCU_HIER(p,6,SE(span(14,19),span::all),SP(span(14,19),span::all),trans(pool6(k,span::all)))["ACCU"];
      |                                    ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:402:48: error: reference to ‘span’ is ambiguous
  402 |           six1(k)=ACCU_HIER(p,6,SE(span(14,19),span::all),SP(span(14,19),span::all),trans(pool6(k,span::all)))["ACCU"];
      |                                                ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:402:62: error: reference to ‘span’ is ambiguous
  402 |           six1(k)=ACCU_HIER(p,6,SE(span(14,19),span::all),SP(span(14,19),span::all),trans(pool6(k,span::all)))["ACCU"];
      |                                                              ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:402:74: error: reference to ‘span’ is ambiguous
  402 |           six1(k)=ACCU_HIER(p,6,SE(span(14,19),span::all),SP(span(14,19),span::all),trans(pool6(k,span::all)))["ACCU"];
      |                                                                          ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:402:99: error: reference to ‘span’ is ambiguous
  402 |           six1(k)=ACCU_HIER(p,6,SE(span(14,19),span::all),SP(span(14,19),span::all),trans(pool6(k,span::all)))["ACCU"];
      |                                                                                                   ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:412:42: error: reference to ‘span’ is ambiguous
  412 |             arma::uvec q1=find(min_stage(span::all)==min_all);
      |                                          ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
Hierarchical.cpp:421:42: error: reference to ‘span’ is ambiguous
  421 |             arma::uvec q1=find(max_stage(span::all)==max_all);
      |                                          ^~~~
/usr/include/c++/15/span:60:11: note: candidates are: ‘template<class _Type, long unsigned int _Extent> class std::span’
   60 |     class span;
      |           ^~~~
/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/RcppArmadillo/include/current/armadillo_bits/span.hpp:38:8: note:                 ‘struct arma::span’
   38 | struct span : public span_base<>
      |        ^~~~
make[1]: *** [/home/hornik/tmp/R.check/r-devel-gcc/Work/build/etc/Makeconf:201: Hierarchical.o] Error 1
make[1]: Leaving directory '/tmp/RtmpW805g5/R.INSTALL188b235221a84f/binGroup2/src'
ERROR: compilation failed for package ‘binGroup2’
* removing ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/build/Packages/binGroup2’