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130 lines
2.8 KiB
C++
130 lines
2.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2011 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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namespace gtx{
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namespace norm
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{
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template <typename T>
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GLM_FUNC_QUALIFIER T length2(
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const T x)
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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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const detail::tvec2<T>& x)
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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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const detail::tvec3<T>& x)
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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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const detail::tvec4<T>& x)
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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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const detail::tquat<T>& q)
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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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T distance2(
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const T p0,
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const T p1)
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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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T distance2(
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const detail::tvec2<T>& p0,
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const detail::tvec2<T>& p1)
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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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T distance2(
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const detail::tvec3<T>& p0,
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const detail::tvec3<T>& p1)
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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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T distance2(
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const detail::tvec4<T>& p0,
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const detail::tvec4<T>& p1)
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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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const detail::tvec3<T>& a,
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const detail::tvec3<T>& b)
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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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const detail::tvec3<T>& v)
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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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const detail::tvec3<T>& a,
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const detail::tvec3<T>& b)
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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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const detail::tvec3<T>& v)
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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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const detail::tvec3<T>& x,
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const detail::tvec3<T>& y,
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unsigned int Depth)
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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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const detail::tvec3<T>& v,
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unsigned int Depth)
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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 norm
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}//namespace gtx
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}//namespace glm
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