dependencies/glm/GLM/gtx/hash.inl

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2022-02-28 19:03:15 +00:00
/// @ref gtx_hash
///
/// @see core (dependence)
///
/// @defgroup gtx_hash GLM_GTX_hash
/// @ingroup gtx
///
/// @brief Add std::hash support for glm types
///
/// <glm/gtx/hash.inl> need to be included to use the features of this extension.
namespace glm {
namespace detail
{
GLM_INLINE void hash_combine(size_t &seed, size_t hash)
{
hash += 0x9e3779b9 + (seed << 6) + (seed >> 2);
seed ^= hash;
}
}}
namespace std
{
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::vec<1, T, Q>>::operator()(glm::vec<1, T, Q> const& v) const
{
hash<T> hasher;
return hasher(v.x);
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::vec<2, T, Q>>::operator()(glm::vec<2, T, Q> const& v) const
{
size_t seed = 0;
hash<T> hasher;
glm::detail::hash_combine(seed, hasher(v.x));
glm::detail::hash_combine(seed, hasher(v.y));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::vec<3, T, Q>>::operator()(glm::vec<3, T, Q> const& v) const
{
size_t seed = 0;
hash<T> hasher;
glm::detail::hash_combine(seed, hasher(v.x));
glm::detail::hash_combine(seed, hasher(v.y));
glm::detail::hash_combine(seed, hasher(v.z));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::vec<4, T, Q>>::operator()(glm::vec<4, T, Q> const& v) const
{
size_t seed = 0;
hash<T> hasher;
glm::detail::hash_combine(seed, hasher(v.x));
glm::detail::hash_combine(seed, hasher(v.y));
glm::detail::hash_combine(seed, hasher(v.z));
glm::detail::hash_combine(seed, hasher(v.w));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::qua<T, Q>>::operator()(glm::qua<T,Q> const& q) const
{
size_t seed = 0;
hash<T> hasher;
glm::detail::hash_combine(seed, hasher(q.x));
glm::detail::hash_combine(seed, hasher(q.y));
glm::detail::hash_combine(seed, hasher(q.z));
glm::detail::hash_combine(seed, hasher(q.w));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::tdualquat<T, Q>>::operator()(glm::tdualquat<T, Q> const& q) const
{
size_t seed = 0;
hash<glm::qua<T, Q>> hasher;
glm::detail::hash_combine(seed, hasher(q.real));
glm::detail::hash_combine(seed, hasher(q.dual));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::mat<2, 2, T, Q>>::operator()(glm::mat<2, 2, T, Q> const& m) const
{
size_t seed = 0;
hash<glm::vec<2, T, Q>> hasher;
glm::detail::hash_combine(seed, hasher(m[0]));
glm::detail::hash_combine(seed, hasher(m[1]));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::mat<2, 3, T, Q>>::operator()(glm::mat<2, 3, T, Q> const& m) const
{
size_t seed = 0;
hash<glm::vec<3, T, Q>> hasher;
glm::detail::hash_combine(seed, hasher(m[0]));
glm::detail::hash_combine(seed, hasher(m[1]));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::mat<2, 4, T, Q>>::operator()(glm::mat<2, 4, T, Q> const& m) const
{
size_t seed = 0;
hash<glm::vec<4, T, Q>> hasher;
glm::detail::hash_combine(seed, hasher(m[0]));
glm::detail::hash_combine(seed, hasher(m[1]));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::mat<3, 2, T, Q>>::operator()(glm::mat<3, 2, T, Q> const& m) const
{
size_t seed = 0;
hash<glm::vec<2, T, Q>> hasher;
glm::detail::hash_combine(seed, hasher(m[0]));
glm::detail::hash_combine(seed, hasher(m[1]));
glm::detail::hash_combine(seed, hasher(m[2]));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::mat<3, 3, T, Q>>::operator()(glm::mat<3, 3, T, Q> const& m) const
{
size_t seed = 0;
hash<glm::vec<3, T, Q>> hasher;
glm::detail::hash_combine(seed, hasher(m[0]));
glm::detail::hash_combine(seed, hasher(m[1]));
glm::detail::hash_combine(seed, hasher(m[2]));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::mat<3, 4, T, Q>>::operator()(glm::mat<3, 4, T, Q> const& m) const
{
size_t seed = 0;
hash<glm::vec<4, T, Q>> hasher;
glm::detail::hash_combine(seed, hasher(m[0]));
glm::detail::hash_combine(seed, hasher(m[1]));
glm::detail::hash_combine(seed, hasher(m[2]));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::mat<4, 2, T,Q>>::operator()(glm::mat<4, 2, T,Q> const& m) const
{
size_t seed = 0;
hash<glm::vec<2, T, Q>> hasher;
glm::detail::hash_combine(seed, hasher(m[0]));
glm::detail::hash_combine(seed, hasher(m[1]));
glm::detail::hash_combine(seed, hasher(m[2]));
glm::detail::hash_combine(seed, hasher(m[3]));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::mat<4, 3, T,Q>>::operator()(glm::mat<4, 3, T,Q> const& m) const
{
size_t seed = 0;
hash<glm::vec<3, T, Q>> hasher;
glm::detail::hash_combine(seed, hasher(m[0]));
glm::detail::hash_combine(seed, hasher(m[1]));
glm::detail::hash_combine(seed, hasher(m[2]));
glm::detail::hash_combine(seed, hasher(m[3]));
return seed;
}
template<typename T, glm::qualifier Q>
GLM_FUNC_QUALIFIER size_t hash<glm::mat<4, 4, T,Q>>::operator()(glm::mat<4, 4, T, Q> const& m) const
{
size_t seed = 0;
hash<glm::vec<4, T, Q>> hasher;
glm::detail::hash_combine(seed, hasher(m[0]));
glm::detail::hash_combine(seed, hasher(m[1]));
glm::detail::hash_combine(seed, hasher(m[2]));
glm::detail::hash_combine(seed, hasher(m[3]));
return seed;
}
}