1 files changed, 81 insertions, 0 deletions
diff --git a/src/include/glm/detail/_noise.hpp b/src/include/glm/detail/_noise.hpp
new file mode 100644
index 0000000..2a1285f
--- /dev/null
+++ b/src/include/glm/detail/_noise.hpp
@@ -0,0 +1,81 @@
+#pragma once
+
+#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, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<2, T, Q> permute(vec<2, T, Q> const& x)
+	{
+		return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
+	}
+
+	template<typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<3, T, Q> permute(vec<3, T, Q> const& x)
+	{
+		return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
+	}
+
+	template<typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<4, T, Q> permute(vec<4, T, Q> const& x)
+	{
+		return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
+	}
+
+	template<typename T>
+	GLM_FUNC_QUALIFIER T taylorInvSqrt(T const& r)
+	{
+		return static_cast<T>(1.79284291400159) - static_cast<T>(0.85373472095314) * r;
+	}
+
+	template<typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<2, T, Q> taylorInvSqrt(vec<2, T, Q> const& r)
+	{
+		return static_cast<T>(1.79284291400159) - static_cast<T>(0.85373472095314) * r;
+	}
+
+	template<typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<3, T, Q> taylorInvSqrt(vec<3, T, Q> const& r)
+	{
+		return static_cast<T>(1.79284291400159) - static_cast<T>(0.85373472095314) * r;
+	}
+
+	template<typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<4, T, Q> taylorInvSqrt(vec<4, T, Q> const& r)
+	{
+		return static_cast<T>(1.79284291400159) - static_cast<T>(0.85373472095314) * r;
+	}
+
+	template<typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<2, T, Q> fade(vec<2, T, Q> const& t)
+	{
+		return (t * t * t) * (t * (t * static_cast<T>(6) - static_cast<T>(15)) + static_cast<T>(10));
+	}
+
+	template<typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<3, T, Q> fade(vec<3, T, Q> const& t)
+	{
+		return (t * t * t) * (t * (t * static_cast<T>(6) - static_cast<T>(15)) + static_cast<T>(10));
+	}
+
+	template<typename T, qualifier Q>
+	GLM_FUNC_QUALIFIER vec<4, T, Q> fade(vec<4, T, Q> const& t)
+	{
+		return (t * t * t) * (t * (t * static_cast<T>(6) - static_cast<T>(15)) + static_cast<T>(10));
+	}
+}//namespace detail
+}//namespace glm
+