glm/glm/gtx/normalize_dot.inl

116 lines
2.3 KiB
C++

//////////////////////////////////////////////////////////////////////////////////
// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
//////////////////////////////////////////////////////////////////////////////////
// Created : 2007-09-28
// Updated : 2008-10-07
// Licence : This source is under MIT License
// File : glm/gtx/normalize_dot.inl
//////////////////////////////////////////////////////////////////////////////////
namespace glm
{
template <typename genType>
GLM_FUNC_QUALIFIER genType normalizeDot
(
genType const & x,
genType const & y
)
{
return
glm::dot(x, y) *
glm::inversesqrt(glm::dot(x, x) *
glm::dot(y, y));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER T normalizeDot
(
detail::tvec2<T, P> const & x,
detail::tvec2<T, P> const & y
)
{
return
glm::dot(x, y) *
glm::inversesqrt(glm::dot(x, x) *
glm::dot(y, y));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER T normalizeDot
(
detail::tvec3<T, P> const & x,
detail::tvec3<T, P> const & y
)
{
return
glm::dot(x, y) *
glm::inversesqrt(glm::dot(x, x) *
glm::dot(y, y));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER T normalizeDot
(
detail::tvec4<T, P> const & x,
detail::tvec4<T, P> const & y
)
{
return
glm::dot(x, y) *
glm::inversesqrt(glm::dot(x, x) *
glm::dot(y, y));
}
template <typename genType>
GLM_FUNC_QUALIFIER genType fastNormalizeDot
(
genType const & x,
genType const & y
)
{
return
glm::dot(x, y) *
fastInverseSqrt(glm::dot(x, x) *
glm::dot(y, y));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER T fastNormalizeDot
(
detail::tvec2<T, P> const & x,
detail::tvec2<T, P> const & y
)
{
return
glm::dot(x, y) *
fastInverseSqrt(glm::dot(x, x) *
glm::dot(y, y));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER T fastNormalizeDot
(
detail::tvec3<T, P> const & x,
detail::tvec3<T, P> const & y
)
{
return
glm::dot(x, y) *
fastInverseSqrt(glm::dot(x, x) *
glm::dot(y, y));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER T fastNormalizeDot
(
detail::tvec4<T, P> const & x,
detail::tvec4<T, P> const & y
)
{
return
glm::dot(x, y) *
fastInverseSqrt(glm::dot(x, x) *
glm::dot(y, y));
}
}//namespace glm