initial commit

lib/glm/detail/_noise.hpp

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+/// @ref core
+/// @file glm/detail/_noise.hpp
+
+#pragma once
+
+#include "../vec2.hpp"
+#include "../vec3.hpp"
+#include "../vec4.hpp"
+#include "../common.hpp"
+
+namespace glm{
+namespace detail
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER T mod289(T const & x)
+	{
+		return x - floor(x * static_cast<T>(1.0) / static_cast<T>(289.0)) * static_cast<T>(289.0);
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER T permute(T const & x)
+	{
+		return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec2<T, P> permute(tvec2<T, P> const & x)
+	{
+		return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
+	}
+	
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec3<T, P> permute(tvec3<T, P> const & x)
+	{
+		return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
+	}
+	
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec4<T, P> permute(tvec4<T, P> const & x)
+	{
+		return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
+	}
+/*
+	template <typename T, precision P, template<typename> class vecType>
+	GLM_FUNC_QUALIFIER vecType<T, P> permute(vecType<T, P> const & x)
+	{
+		return mod289(((x * T(34)) + T(1)) * x);
+	}
+*/
+	template <typename T>
+	GLM_FUNC_QUALIFIER T taylorInvSqrt(T const & r)
+	{
+		return T(1.79284291400159) - T(0.85373472095314) * r;
+	}
+	
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec2<T, P> taylorInvSqrt(tvec2<T, P> const & r)
+	{
+		return T(1.79284291400159) - T(0.85373472095314) * r;
+	}
+	
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec3<T, P> taylorInvSqrt(tvec3<T, P> const & r)
+	{
+		return T(1.79284291400159) - T(0.85373472095314) * r;
+	}
+	
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec4<T, P> taylorInvSqrt(tvec4<T, P> const & r)
+	{
+		return T(1.79284291400159) - T(0.85373472095314) * r;
+	}
+/*
+	template <typename T, precision P, template<typename> class vecType>
+	GLM_FUNC_QUALIFIER vecType<T, P> taylorInvSqrt(vecType<T, P> const & r)
+	{
+		return T(1.79284291400159) - T(0.85373472095314) * r;
+	}
+*/
+	
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec2<T, P> fade(tvec2<T, P> const & t)
+	{
+		return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
+	}
+	
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec3<T, P> fade(tvec3<T, P> const & t)
+	{
+		return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
+	}
+	
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec4<T, P> fade(tvec4<T, P> const & t)
+	{
+		return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
+	}
+/*
+	template <typename T, precision P, template <typename> class vecType>
+	GLM_FUNC_QUALIFIER vecType<T, P> fade(vecType<T, P> const & t)
+	{
+		return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
+	}
+*/
+}//namespace detail
+}//namespace glm
+