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+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2006-11-13
+// Licence : This source is under MIT License
+// File : glm/gtx/normal.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_gtx_normal
+#define glm_gtx_normal
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+# pragma message("GLM: GLM_GTX_normal extension included")
+#endif
+
+namespace glm{
+namespace gtx{
+namespace normal ///< GLM_GTX_normal extension: Compute the normal of a triangle.
+{
+ /// \addtogroup gtx_normal
+ /// @{
+
+ //! Computes triangle normal from triangle points.
+ //! From GLM_GTX_normal extension.
+ template <typename T>
+ detail::tvec3<T> triangleNormal(
+ detail::tvec3<T> const & p1,
+ detail::tvec3<T> const & p2,
+ detail::tvec3<T> const & p3);
+
+ /// @}
+}//namespace normal
+}//namespace gtx
+}//namespace glm
+
+#include "normal.inl"
+
+namespace glm{using namespace gtx::normal;}
+
+#endif//glm_gtx_normal