Boost C++ Libraries

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QVM: Quaternions, Vectors, Matrices

operator-=(vec,vec)

#include <boost/qvm/vec_operations.hpp>

namespace boost
{
    namespace qvm
    {
        //Only enabled if:
        //  is_vec<A>::value && is_vec<B>::value &&
        //  vec_traits<A>::dim==vec_traits<B>::dim
        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.