Boost C++ Libraries

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QVM: Quaternions, Vectors, Matrices

operator-=(quat,quat)

#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>
        A & operator-=( A & a, B const & b );
    }
}

Effects:

Subtracts the elements of b from the corresponding elements of a.

Returns:

a.