Initial commit: Final state of the master project

2017-09-16 09:41:37 +02:00
commit 696180d43b
832 changed files with 169717 additions and 0 deletions
--- a/Research/inc/glm/gtx/fast_square_root.inl
+++ b/Research/inc/glm/gtx/fast_square_root.inl
@@ -0,0 +1,180 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-01-04
+// Updated : 2011-10-14
+// Licence : This source is under MIT License
+// File    : glm/gtx/fast_square_root.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	// fastSqrt
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastSqrt
+	(
+		genType const & x
+	)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'fastSqrt' only accept floating-point input");
+
+		return genType(1) / fastInverseSqrt(x);
+	}
+
+	VECTORIZE_VEC(fastSqrt)
+
+	// fastInversesqrt
+	template <>
+	GLM_FUNC_QUALIFIER float fastInverseSqrt<float>(float const & x)
+	{
+#		ifdef __CUDACC__ // Wordaround for a CUDA compiler bug up to CUDA6
+			detail::tvec1<T, P> tmp(detail::compute_inversesqrt<detail::tvec1, float, lowp>::call(detail::tvec1<float, lowp>(x)));
+			return tmp.x;
+#		else
+			return detail::compute_inversesqrt<detail::tvec1, float, lowp>::call(detail::tvec1<float, lowp>(x)).x;
+#		endif
+	}
+
+	template <>
+	GLM_FUNC_QUALIFIER double fastInverseSqrt<double>(double const & x)
+	{
+#		ifdef __CUDACC__ // Wordaround for a CUDA compiler bug up to CUDA6
+			detail::tvec1<T, P> tmp(detail::compute_inversesqrt<detail::tvec1, double, lowp>::call(detail::tvec1<double, lowp>(x)));
+			return tmp.x;
+#		else
+			return detail::compute_inversesqrt<detail::tvec1, double, lowp>::call(detail::tvec1<double, lowp>(x)).x;
+#		endif
+	}
+
+	template <template <class, precision> class vecType, typename T, precision P>
+	GLM_FUNC_QUALIFIER vecType<T, P> fastInverseSqrt
+	(
+		vecType<T, P> const & x
+	)
+	{
+		return detail::compute_inversesqrt<vecType, T, P>::call(x);
+	}
+
+	VECTORIZE_VEC(fastInverseSqrt)
+
+	// fastLength
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastLength
+	(
+		genType const & x
+	)
+	{
+		return abs(x);
+	}
+
+	template <typename valType, precision P>
+	GLM_FUNC_QUALIFIER valType fastLength
+	(
+		detail::tvec2<valType, P> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y;
+		return fastSqrt(sqr);
+	}
+
+	template <typename valType, precision P>
+	GLM_FUNC_QUALIFIER valType fastLength
+	(
+		detail::tvec3<valType, P> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y + x.z * x.z;
+		return fastSqrt(sqr);
+	}
+
+	template <typename valType, precision P>
+	GLM_FUNC_QUALIFIER valType fastLength
+	(
+		detail::tvec4<valType, P> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y + x.z * x.z + x.w * x.w;
+		return fastSqrt(sqr);
+	}
+
+	// fastDistance
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastDistance
+	(
+		genType const & x,
+		genType const & y
+	)
+	{
+		return fastLength(y - x);
+	}
+
+	template <typename valType, precision P>
+	GLM_FUNC_QUALIFIER valType fastDistance
+	(
+		detail::tvec2<valType, P> const & x,
+		detail::tvec2<valType, P> const & y
+	)
+	{
+		return fastLength(y - x);
+	}
+
+	template <typename valType, precision P>
+	GLM_FUNC_QUALIFIER valType fastDistance
+	(
+		detail::tvec3<valType, P> const & x,
+		detail::tvec3<valType, P> const & y
+	)
+	{
+		return fastLength(y - x);
+	}
+
+	template <typename valType, precision P>
+	GLM_FUNC_QUALIFIER valType fastDistance
+	(
+		detail::tvec4<valType, P> const & x,
+		detail::tvec4<valType, P> const & y
+	)
+	{
+		return fastLength(y - x);
+	}
+
+	// fastNormalize
+	template <typename genType>
+	GLM_FUNC_QUALIFIER genType fastNormalize
+	(
+		genType const & x
+	)
+	{
+		return x > genType(0) ? genType(1) : -genType(1);
+	}
+
+	template <typename valType, precision P>
+	GLM_FUNC_QUALIFIER detail::tvec2<valType, P> fastNormalize
+	(
+		detail::tvec2<valType, P> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y;
+		return x * fastInverseSqrt(sqr);
+	}
+
+	template <typename valType, precision P>
+	GLM_FUNC_QUALIFIER detail::tvec3<valType, P> fastNormalize
+	(
+		detail::tvec3<valType, P> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y + x.z * x.z;
+		return x * fastInverseSqrt(sqr);
+	}
+
+	template <typename valType, precision P>
+	GLM_FUNC_QUALIFIER detail::tvec4<valType, P> fastNormalize
+	(
+		detail::tvec4<valType, P> const & x
+	)
+	{
+		valType sqr = x.x * x.x + x.y * x.y + x.z * x.z + x.w * x.w;
+		return x * fastInverseSqrt(sqr);
+	}
+}//namespace glm