#include <boost/qvm/mat_operations.hpp>
namespace boost
{
    namespace qvm
    {
        //Only enabled if:
        //  is_mat<A>::value && is_mat<B>::value &&
        //  mat_traits<A>::rows==mat_traits<B>::rows &&
        //  mat_traits<A>::cols==mat_traits<B>::cols
        template <class A,class B>
        A & assign( A & a, B const & b );
    }
}
Copies all elements of the matrix b to the matrix a.
a.