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diff --git a/glm/gtx/rotate_vector.hpp b/glm/gtx/rotate_vector.hpp
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+++ b/glm/gtx/rotate_vector.hpp
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+/// @ref gtx_rotate_vector
+/// @file glm/gtx/rotate_vector.hpp
+///
+/// @see core (dependence)
+/// @see gtx_transform (dependence)
+///
+/// @defgroup gtx_rotate_vector GLM_GTX_rotate_vector
+/// @ingroup gtx
+///
+/// Include <glm/gtx/rotate_vector.hpp> to use the features of this extension.
+///
+/// Function to directly rotate a vector
+
+#pragma once
+
+// Dependency:
+#include "../gtx/transform.hpp"
+#include "../gtc/epsilon.hpp"
+#include "../ext/vector_relational.hpp"
+#include "../glm.hpp"
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+#	ifndef GLM_ENABLE_EXPERIMENTAL
+#		pragma message("GLM: GLM_GTX_rotate_vector is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it.")
+#	else
+#		pragma message("GLM: GLM_GTX_rotate_vector extension included")
+#	endif
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_rotate_vector
+	/// @{
+
+	/// Returns Spherical interpolation between two vectors
+	///
+	/// @param x A first vector
+	/// @param y A second vector
+	/// @param a Interpolation factor. The interpolation is defined beyond the range [0, 1].
+	///
+	/// @see gtx_rotate_vector
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL vec<3, T, Q> slerp(
+		vec<3, T, Q> const& x,
+		vec<3, T, Q> const& y,
+		T const& a);
+
+	//! Rotate a two dimensional vector.
+	//! From GLM_GTX_rotate_vector extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL vec<2, T, Q> rotate(
+		vec<2, T, Q> const& v,
+		T const& angle);
+
+	//! Rotate a three dimensional vector around an axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL vec<3, T, Q> rotate(
+		vec<3, T, Q> const& v,
+		T const& angle,
+		vec<3, T, Q> const& normal);
+
+	//! Rotate a four dimensional vector around an axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL vec<4, T, Q> rotate(
+		vec<4, T, Q> const& v,
+		T const& angle,
+		vec<3, T, Q> const& normal);
+
+	//! Rotate a three dimensional vector around the X axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL vec<3, T, Q> rotateX(
+		vec<3, T, Q> const& v,
+		T const& angle);
+
+	//! Rotate a three dimensional vector around the Y axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL vec<3, T, Q> rotateY(
+		vec<3, T, Q> const& v,
+		T const& angle);
+
+	//! Rotate a three dimensional vector around the Z axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL vec<3, T, Q> rotateZ(
+		vec<3, T, Q> const& v,
+		T const& angle);
+
+	//! Rotate a four dimensional vector around the X axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL vec<4, T, Q> rotateX(
+		vec<4, T, Q> const& v,
+		T const& angle);
+
+	//! Rotate a four dimensional vector around the Y axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL vec<4, T, Q> rotateY(
+		vec<4, T, Q> const& v,
+		T const& angle);
+
+	//! Rotate a four dimensional vector around the Z axis.
+	//! From GLM_GTX_rotate_vector extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL vec<4, T, Q> rotateZ(
+		vec<4, T, Q> const& v,
+		T const& angle);
+
+	//! Build a rotation matrix from a normal and a up vector.
+	//! From GLM_GTX_rotate_vector extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL mat<4, 4, T, Q> orientation(
+		vec<3, T, Q> const& Normal,
+		vec<3, T, Q> const& Up);
+
+	/// @}
+}//namespace glm
+
+#include "rotate_vector.inl"