Found the following significant warnings:
  Bos.cpp:247:42: warning: ‘arma::mat_injector<arma::Col<eT> > arma::Col<eT>::operator<<(eT) [with eT = double]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:284:58: warning: ‘arma::mat_injector<arma::Col<eT> > arma::Col<eT>::operator<<(eT) [with eT = double]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:787:63: warning: ‘arma::mat_injector<arma::Row<eT> > arma::Row<eT>::operator<<(eT) [with eT = unsigned int]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:909:24: warning: ‘arma::mat_injector<arma::Row<eT> > arma::Row<eT>::operator<<(eT) [with eT = double]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:911:20: warning: ‘arma::mat_injector<arma::Row<eT> > arma::Row<eT>::operator<<(eT) [with eT = double]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:913:24: warning: ‘arma::mat_injector<arma::Row<eT> > arma::Row<eT>::operator<<(eT) [with eT = double]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:975:20: warning: ‘arma::mat_injector<arma::Row<eT> > arma::Row<eT>::operator<<(eT) [with eT = double]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:991:24: warning: ‘arma::mat_injector<arma::Row<eT> > arma::Row<eT>::operator<<(eT) [with eT = double]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:993:20: warning: ‘arma::mat_injector<arma::Row<eT> > arma::Row<eT>::operator<<(eT) [with eT = double]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:995:24: warning: ‘arma::mat_injector<arma::Row<eT> > arma::Row<eT>::operator<<(eT) [with eT = double]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:1049:20: warning: ‘arma::mat_injector<arma::Row<eT> > arma::Row<eT>::operator<<(eT) [with eT = double]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:1090:40: warning: ‘arma::mat_injector<arma::Col<eT> > arma::Col<eT>::operator<<(eT) [with eT = unsigned int]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:1094:48: warning: ‘arma::mat_injector<arma::Col<eT> > arma::Col<eT>::operator<<(eT) [with eT = unsigned int]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:1097:52: warning: ‘arma::mat_injector<arma::Col<eT> > arma::Col<eT>::operator<<(eT) [with eT = unsigned int]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:1103:44: warning: ‘arma::mat_injector<arma::Col<eT> > arma::Col<eT>::operator<<(eT) [with eT = unsigned int]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
  Bos.cpp:1106:44: warning: ‘arma::mat_injector<arma::Col<eT> > arma::Col<eT>::operator<<(eT) [with eT = unsigned int]’ is deprecated: use braced initialiser list instead [-Wdeprecated-declarations]
See ‘/home/hornik/tmp/R.check/r-release-gcc/Work/PKGS/mixedClust.Rcheck/00install.out’ for details.
* used C++ compiler: ‘g++-13 (Debian 13.2.0-7) 13.2.0’