1 files changed, 156 insertions, 0 deletions
diff --git a/include/gal/opengl/glm/gtx/norm.inl b/include/gal/opengl/glm/gtx/norm.inl
new file mode 100644
index 0000000..427a5a1
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/norm.inl
@@ -0,0 +1,156 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2008-07-24
+// Licence : This source is under MIT License
+// File    : glm/gtx/norm.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER T length2
+	(
+		T const & x
+	)
+	{
+		return x * x;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T length2
+	(
+		detail::tvec2<T> const & x
+	)
+	{
+		return dot(x, x);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T length2
+	(
+		detail::tvec3<T> const & x
+	)
+	{
+		return dot(x, x);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T length2
+	(
+		detail::tvec4<T> const & x
+	)
+	{
+		return dot(x, x);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T length2
+	(
+		detail::tquat<T> const & q
+	)
+	{
+		return q.x * q.x + q.y * q.y + q.z * q.z + q.w * q.w;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T distance2
+	(
+		T const & p0, 
+		T const & p1
+	)
+	{
+		return length2(p1 - p0);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T distance2
+	(
+		detail::tvec2<T> const & p0, 
+		detail::tvec2<T> const & p1
+	)
+	{
+		return length2(p1 - p0);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T distance2
+	(
+		detail::tvec3<T> const & p0, 
+		detail::tvec3<T> const & p1
+	)
+	{
+		return length2(p1 - p0);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T distance2
+	(
+		detail::tvec4<T> const & p0, 
+		detail::tvec4<T> const & p1
+	)
+	{
+		return length2(p1 - p0);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T l1Norm
+	(
+		detail::tvec3<T> const & a, 
+		detail::tvec3<T> const & b
+	)
+	{
+		return abs(b.x - a.x) + abs(b.y - a.y) + abs(b.z - a.z);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T l1Norm
+	(
+		detail::tvec3<T> const & v
+	)
+	{
+		return abs(v.x) + abs(v.y) + abs(v.z);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T l2Norm
+	(
+		detail::tvec3<T> const & a, 
+		detail::tvec3<T> const & b
+	)
+	{
+		return length(b - a);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T l2Norm
+	(
+		detail::tvec3<T> const & v
+	)
+	{
+		return length(v);
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T lxNorm
+	(
+		detail::tvec3<T> const & x, 
+		detail::tvec3<T> const & y, 
+		unsigned int Depth
+	)
+	{
+		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));
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER T lxNorm
+	(
+		detail::tvec3<T> const & v, 
+		unsigned int Depth
+	)
+	{
+		return pow(pow(v.x, T(Depth)) + pow(v.y, T(Depth)) + pow(v.z, T(Depth)), T(1) / T(Depth));
+	}
+
+}//namespace glm