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diff --git a/inc/glm/gtx/rotate_normalized_axis.hpp b/inc/glm/gtx/rotate_normalized_axis.hpp
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+///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2012 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 gtx_rotate_normalized_axis
+/// @file glm/gtx/rotate_normalized_axis.hpp
+/// @date 2012-12-13 / 2012-12-13
+/// @author Christophe Riccio
+///
+/// @see core (dependence)
+/// @see gtc_matrix_transform
+/// @see gtc_quaternion
+/// 
+/// @defgroup gtx_rotate_normalized_axis GLM_GTX_rotate_normalized_axis
+/// @ingroup gtx
+/// 
+/// @brief Quaternions and matrices rotations around normalized axis.
+/// 
+/// <glm/gtx/rotate_normalized_axis.hpp> need to be included to use these functionalities.
+///////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtc/epsilon.hpp"
+#include "../gtc/quaternion.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
+#	pragma message("GLM: GLM_GTX_rotate_normalized_axis extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_rotate_normalized_axis
+	/// @{
+
+	/// Builds a rotation 4 * 4 matrix created from a normalized axis and an angle. 
+	/// 
+	/// @param m Input matrix multiplied by this rotation matrix.
+	/// @param angle Rotation angle expressed in radians if GLM_FORCE_RADIANS is define or degrees otherwise.
+	/// @param axis Rotation axis, must be normalized.
+	/// @tparam T Value type used to build the matrix. Currently supported: half (not recommanded), float or double.
+	/// 
+	/// @see gtx_rotate_normalized_axis
+	/// @see - rotate(T angle, T x, T y, T z) 
+	/// @see - rotate(tmat4x4<T, P> const & m, T angle, T x, T y, T z) 
+	/// @see - rotate(T angle, tvec3<T, P> const & v) 
+	template <typename T, precision P>
+	GLM_FUNC_DECL tmat4x4<T, P> rotateNormalizedAxis(
+		tmat4x4<T, P> const & m,
+		T const & angle,
+		tvec3<T, P> const & axis);
+
+	/// Rotates a quaternion from a vector of 3 components normalized axis and an angle.
+	/// 
+	/// @param q Source orientation
+	/// @param angle Angle expressed in radians if GLM_FORCE_RADIANS is define or degrees otherwise.
+	/// @param axis Normalized axis of the rotation, must be normalized.
+	/// 
+	/// @see gtx_rotate_normalized_axis
+	template <typename T, precision P>
+	GLM_FUNC_DECL tquat<T, P> rotateNormalizedAxis(
+		tquat<T, P> const & q,
+		T const & angle,
+		tvec3<T, P> const & axis);
+
+	/// @}
+}//namespace glm
+
+#include "rotate_normalized_axis.inl"