initial commit

lib/glm/gtx/norm.inl

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+/// @ref gtx_norm
+/// @file glm/gtx/norm.inl
+
+#include "../detail/precision.hpp"
+
+namespace glm{
+namespace detail
+{
+	template <template <typename, precision> class vecType, typename T, precision P, bool Aligned>
+	struct compute_length2
+	{
+		GLM_FUNC_QUALIFIER static T call(vecType<T, P> const & v)
+		{
+			return dot(v, v);
+		}
+	};
+}//namespace detail
+
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType length2(genType x)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'length2' accepts only floating-point inputs");
+		return x * x;
+	}
+
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_QUALIFIER T length2(vecType<T, P> const & v)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'length2' accepts only floating-point inputs");
+		return detail::compute_length2<vecType, T, P, detail::is_aligned<P>::value>::call(v);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T distance2(T p0, T p1)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'distance2' accepts only floating-point inputs");
+		return length2(p1 - p0);
+	}
+
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_QUALIFIER T distance2(vecType<T, P> const & p0, vecType<T, P> const & p1)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'distance2' accepts only floating-point inputs");
+		return length2(p1 - p0);
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER T l1Norm
+	(
+		tvec3<T, P> const & a,
+		tvec3<T, P> const & b
+	)
+	{
+		return abs(b.x - a.x) + abs(b.y - a.y) + abs(b.z - a.z);
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER T l1Norm
+	(
+		tvec3<T, P> const & v
+	)
+	{
+		return abs(v.x) + abs(v.y) + abs(v.z);
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER T l2Norm
+	(
+		tvec3<T, P> const & a,
+		tvec3<T, P> const & b
+	)
+	{
+		return length(b - a);
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER T l2Norm
+	(
+		tvec3<T, P> const & v
+	)
+	{
+		return length(v);
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER T lxNorm
+	(
+		tvec3<T, P> const & x,
+		tvec3<T, P> 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, precision P>
+	GLM_FUNC_QUALIFIER T lxNorm
+	(
+		tvec3<T, P> 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