1 files changed, 91 insertions, 0 deletions

diff --git a/external/include/glm/gtx/fast_exponential.hpp b/external/include/glm/gtx/fast_exponential.hpp
new file mode 100644
index 0000000..ed64a27
--- /dev/null
+++ b/external/include/glm/gtx/fast_exponential.hpp
@@ -0,0 +1,91 @@
+/// @ref gtx_fast_exponential
+/// @file glm/gtx/fast_exponential.hpp
+///
+/// @see core (dependence)
+/// @see gtx_half_float (dependence)
+///
+/// @defgroup gtx_fast_exponential GLM_GTX_fast_exponential
+/// @ingroup gtx
+///
+/// @brief Fast but less accurate implementations of exponential based functions.
+///
+/// <glm/gtx/fast_exponential.hpp> need to be included to use these functionalities.
+
+#pragma once
+
+// Dependency:
+#include "../glm.hpp"
+
+#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_GTX_fast_exponential extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_fast_exponential
+	/// @{
+
+	/// Faster than the common pow function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename genType>
+	GLM_FUNC_DECL genType fastPow(genType x, genType y);
+
+	/// Faster than the common pow function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> fastPow(vecType<T, P> const & x, vecType<T, P> const & y);
+
+	/// Faster than the common pow function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename genTypeT, typename genTypeU>
+	GLM_FUNC_DECL genTypeT fastPow(genTypeT x, genTypeU y);
+
+	/// Faster than the common pow function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> fastPow(vecType<T, P> const & x);
+
+	/// Faster than the common exp function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T>
+	GLM_FUNC_DECL T fastExp(T x);
+
+	/// Faster than the common exp function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> fastExp(vecType<T, P> const & x);
+
+	/// Faster than the common log function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T>
+	GLM_FUNC_DECL T fastLog(T x);
+
+	/// Faster than the common exp2 function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> fastLog(vecType<T, P> const & x);
+
+	/// Faster than the common exp2 function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T>
+	GLM_FUNC_DECL T fastExp2(T x);
+
+	/// Faster than the common exp2 function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> fastExp2(vecType<T, P> const & x);
+
+	/// Faster than the common log2 function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T>
+	GLM_FUNC_DECL T fastLog2(T x);
+
+	/// Faster than the common log2 function but less accurate.
+	/// @see gtx_fast_exponential
+	template <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<T, P> fastLog2(vecType<T, P> const & x);
+
+	/// @}
+}//namespace glm
+
+#include "fast_exponential.inl"