#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 & operator-=( A & a, B const & b );
}
}
Subtracts the elements of b from the corresponding elements of a.
a.