#include <boost/qvm/quat_operations.hpp>
namespace boost
{
    namespace qvm
    {
        //Only enabled if: is_quat<A>::value && is_quat<B>::value
        template <class A,class B>
        typename deduce_quat<A>::type
        operator*( A const & a, B b );
    }
}
A quaternion that is the result of multiplying the quaternion a by the scalar b.