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+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
+/// Permission is hereby granted, free of charge, to any person obtaining a copy
+/// of this software and associated documentation files (the "Software"), to deal
+/// in the Software without restriction, including without limitation the rights
+/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+/// copies of the Software, and to permit persons to whom the Software is
+/// furnished to do so, subject to the following conditions:
+/// 
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+/// 
+/// Restrictions:
+///		By making use of the Software for military purposes, you choose to make
+///		a Bunny unhappy.
+/// 
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+/// THE SOFTWARE.
+///
+/// @ref gtc_reciprocal
+/// @file glm/gtc/reciprocal.hpp
+/// @date 2008-10-09 / 2012-01-25
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+///
+/// @defgroup gtc_reciprocal GLM_GTC_reciprocal
+/// @ingroup gtc
+/// 
+/// @brief Define secant, cosecant and cotangent functions.
+/// 
+/// <glm/gtc/reciprocal.hpp> need to be included to use these features.
+///////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+// Dependencies
+#include "../detail/setup.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
+#	pragma message("GLM: GLM_GTC_reciprocal extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtc_reciprocal
+	/// @{
+
+	/// Secant function. 
+	/// hypotenuse / adjacent or 1 / cos(x)
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType sec(genType const & angle);
+
+	/// Cosecant function. 
+	/// hypotenuse / opposite or 1 / sin(x)
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType csc(genType const & angle);
+		
+	/// Cotangent function. 
+	/// adjacent / opposite or 1 / tan(x)
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType cot(genType const & angle);
+
+	/// Inverse secant function. 
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType asec(genType const & x);
+
+	/// Inverse cosecant function. 
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType acsc(genType const & x);
+		
+	/// Inverse cotangent function. 
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType acot(genType const & x);
+
+	/// Secant hyperbolic function. 
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType sech(genType const & angle);
+
+	/// Cosecant hyperbolic function. 
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType csch(genType const & angle);
+		
+	/// Cotangent hyperbolic function. 
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType coth(genType const & angle);
+
+	/// Inverse secant hyperbolic function. 
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType asech(genType const & x);
+
+	/// Inverse cosecant hyperbolic function. 
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType acsch(genType const & x);
+		
+	/// Inverse cotangent hyperbolic function. 
+	/// 
+	/// @see gtc_reciprocal
+	template <typename genType> 
+	GLM_FUNC_DECL genType acoth(genType const & x);
+
+	/// @}
+}//namespace glm
+
+#include "reciprocal.inl"