Found the following significant warnings:
  02_algebrahelpers_RcppHelpers.cpp:297:23: warning: ‘bool arma::is_finite(eT, const typename arma_scalar_only<eT>::result*) [with eT = double; typename arma_scalar_only<eT>::result = double]’ is deprecated: change arma::is_finite(val) to std::isfinite(val) [-Wdeprecated-declarations]
  06_ULS_fitfunction_cpp.cpp:62:20: warning: ‘bool arma::is_finite(eT, const typename arma_scalar_only<eT>::result*) [with eT = double; typename arma_scalar_only<eT>::result = double]’ is deprecated: change arma::is_finite(val) to std::isfinite(val) [-Wdeprecated-declarations]
  06_ULS_gradient_cpp.cpp:63:20: warning: ‘bool arma::is_finite(eT, const typename arma_scalar_only<eT>::result*) [with eT = double; typename arma_scalar_only<eT>::result = double]’ is deprecated: change arma::is_finite(val) to std::isfinite(val) [-Wdeprecated-declarations]
  06_WLS_Wmat.cpp:39:28: warning: ‘bool arma::is_finite(eT, const typename arma_scalar_only<eT>::result*) [with eT = double; typename arma_scalar_only<eT>::result = double]’ is deprecated: change arma::is_finite(val) to std::isfinite(val) [-Wdeprecated-declarations]
  06_WLS_Wmat.cpp:39:58: warning: ‘bool arma::is_finite(eT, const typename arma_scalar_only<eT>::result*) [with eT = double; typename arma_scalar_only<eT>::result = double]’ is deprecated: change arma::is_finite(val) to std::isfinite(val) [-Wdeprecated-declarations]
  06_WLS_Wmat.cpp:47:32: warning: ‘bool arma::is_finite(eT, const typename arma_scalar_only<eT>::result*) [with eT = double; typename arma_scalar_only<eT>::result = double]’ is deprecated: change arma::is_finite(val) to std::isfinite(val) [-Wdeprecated-declarations]
  06_WLS_Wmat.cpp:55:36: warning: ‘bool arma::is_finite(eT, const typename arma_scalar_only<eT>::result*) [with eT = double; typename arma_scalar_only<eT>::result = double]’ is deprecated: change arma::is_finite(val) to std::isfinite(val) [-Wdeprecated-declarations]
  14_varcov_derivatives_cpp.cpp:222:20: warning: ‘bool arma::is_finite(eT, const typename arma_scalar_only<eT>::result*) [with eT = double; typename arma_scalar_only<eT>::result = double]’ is deprecated: change arma::is_finite(val) to std::isfinite(val) [-Wdeprecated-declarations]
  14_varcov_derivatives_cpp.cpp:245:24: warning: ‘bool arma::is_finite(eT, const typename arma_scalar_only<eT>::result*) [with eT = double; typename arma_scalar_only<eT>::result = double]’ is deprecated: change arma::is_finite(val) to std::isfinite(val) [-Wdeprecated-declarations]
  14_varcov_derivatives_cpp.cpp:250:26: warning: ‘bool arma::is_finite(eT, const typename arma_scalar_only<eT>::result*) [with eT = double; typename arma_scalar_only<eT>::result = double]’ is deprecated: change arma::is_finite(val) to std::isfinite(val) [-Wdeprecated-declarations]
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/psychonetrics.Rcheck/00install.out’ for details.
* used C++ compiler: ‘g++-14 (Debian 14.3.0-8) 14.3.0’