Sprout/sprout/math/quaternion/norm.hpp
2016-02-27 01:21:46 +09:00

32 lines
1 KiB
C++

/*=============================================================================
Copyright (c) 2011-2016 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_MATH_QUATERNION_NORM_HPP
#define SPROUT_MATH_QUATERNION_NORM_HPP
#include <sprout/config.hpp>
#include <sprout/math/quaternion/quaternion.hpp>
#include <sprout/math/quaternion/operators.hpp>
#include <sprout/math/quaternion/real.hpp>
#include <sprout/math/quaternion/conj.hpp>
namespace sprout {
namespace math {
//
// norm
//
template<typename T>
inline SPROUT_CONSTEXPR T
norm(sprout::math::quaternion<T> const& q) {
return sprout::math::real(q * sprout::math::conj(q));
}
} // namespace math
using sprout::math::norm;
} // namespace sprout
#endif // #ifndef SPROUT_MATH_QUATERNION_NORM_HPP