#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>
bool operator!=( A const & a, B const & b );
}
}
!(a == b).