Compilation fails with libgmm++5.2
Example build error:
../libs/CoMISo/Solver/ConstrainedSolverT.cc:306:11: error: cannot convert ‘gmm::linalg_traits<gmm::wsvector<double> >::const_iterator {aka gmm::wsvector_const_iterator<double>}’ to ‘RIter {aka const gmm::abstract_null_type*}’ in initialization
RIter row_it = gmm::vect_const_begin( row);