157 lines
2.7 KiB
C++
157 lines
2.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2012 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2005-12-21
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// Updated : 2008-07-24
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// Licence : This source is under MIT License
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// File : glm/gtx/norm.inl
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///////////////////////////////////////////////////////////////////////////////////////////////////
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namespace glm
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{
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template <typename T>
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GLM_FUNC_QUALIFIER T length2
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(
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T const & x
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)
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{
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return x * x;
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T length2
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(
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detail::tvec2<T> const & x
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)
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{
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return dot(x, x);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T length2
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(
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detail::tvec3<T> const & x
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)
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{
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return dot(x, x);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T length2
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(
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detail::tvec4<T> const & x
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)
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{
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return dot(x, x);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T length2
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(
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detail::tquat<T> const & q
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)
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{
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return q.x * q.x + q.y * q.y + q.z * q.z + q.w * q.w;
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T distance2
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(
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T const & p0,
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T const & p1
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)
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{
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return length2(p1 - p0);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T distance2
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(
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detail::tvec2<T> const & p0,
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detail::tvec2<T> const & p1
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)
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{
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return length2(p1 - p0);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T distance2
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(
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detail::tvec3<T> const & p0,
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detail::tvec3<T> const & p1
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)
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{
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return length2(p1 - p0);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T distance2
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(
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detail::tvec4<T> const & p0,
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detail::tvec4<T> const & p1
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)
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{
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return length2(p1 - p0);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T l1Norm
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(
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detail::tvec3<T> const & a,
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detail::tvec3<T> const & b
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)
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{
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return abs(b.x - a.x) + abs(b.y - a.y) + abs(b.z - a.z);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T l1Norm
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(
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detail::tvec3<T> const & v
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)
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{
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return abs(v.x) + abs(v.y) + abs(v.z);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T l2Norm
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(
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detail::tvec3<T> const & a,
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detail::tvec3<T> const & b
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)
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{
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return length(b - a);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T l2Norm
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(
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detail::tvec3<T> const & v
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)
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{
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return length(v);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T lxNorm
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(
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detail::tvec3<T> const & x,
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detail::tvec3<T> const & y,
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unsigned int Depth
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)
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{
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return pow(pow(y.x - x.x, T(Depth)) + pow(y.y - x.y, T(Depth)) + pow(y.z - x.z, T(Depth)), T(1) / T(Depth));
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}
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template <typename T>
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GLM_FUNC_QUALIFIER T lxNorm
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(
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detail::tvec3<T> const & v,
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unsigned int Depth
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)
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{
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return pow(pow(v.x, T(Depth)) + pow(v.y, T(Depth)) + pow(v.z, T(Depth)), T(1) / T(Depth));
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}
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}//namespace glm
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