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+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-04-21
+// Updated : 2006-11-13
+// Licence : This source is under MIT License
+// File    : glm/gtx/inertia.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_gtx_inertia
+#define glm_gtx_inertia
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_inertia extension included")
+#endif
+
+namespace glm{
+namespace gtx{
+namespace inertia ///< GLM_GTX_inertia extension: Create inertia matrices
+{
+	/// \addtogroup gtx_inertia
+	/// @{
+
+	//! Build an inertia matrix for a box.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat3x3<T> boxInertia3(
+		const T Mass, 
+		const detail::tvec3<T>& Scale);
+		
+	//! Build an inertia matrix for a box.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat4x4<T> boxInertia4(
+		const T Mass, 
+		const detail::tvec3<T>& Scale);
+		
+	//! Build an inertia matrix for a disk.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat3x3<T> diskInertia3(
+		const T Mass, 
+		const T Radius);
+
+	//! Build an inertia matrix for a disk.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat4x4<T> diskInertia4(
+		const T Mass, 
+		const T Radius);
+
+	//! Build an inertia matrix for a ball.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat3x3<T> ballInertia3(
+		const T Mass, 
+		const T Radius);
+		
+	//! Build an inertia matrix for a ball.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat4x4<T> ballInertia4(
+		const T Mass, 
+		const T Radius);
+
+	//! Build an inertia matrix for a sphere.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat3x3<T> sphereInertia3(
+		const T Mass, 
+		const T Radius);
+
+	//! Build an inertia matrix for a sphere.
+	//! From GLM_GTX_inertia extension.
+	template <typename T> 
+	detail::tmat4x4<T> sphereInertia4(
+		const T Mass, 
+		const T Radius);
+
+	/// @}
+}// namespace inertia
+}// namespace gtx
+}// namespace glm
+
+#include "inertia.inl"
+
+namespace glm{using namespace gtx::inertia;}
+
+#endif//glm_gtx_inertia