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diff --git a/src/include/glm/gtx/matrix_interpolation.hpp b/src/include/glm/gtx/matrix_interpolation.hpp
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+++ b/src/include/glm/gtx/matrix_interpolation.hpp
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+/// @ref gtx_matrix_interpolation
+/// @file glm/gtx/matrix_interpolation.hpp
+/// @author Ghenadii Ursachi (the.asteroth@gmail.com)
+///
+/// @see core (dependence)
+///
+/// @defgroup gtx_matrix_interpolation GLM_GTX_matrix_interpolation
+/// @ingroup gtx
+///
+/// Include <glm/gtx/matrix_interpolation.hpp> to use the features of this extension.
+///
+/// Allows to directly interpolate two matrices.
+
+#pragma once
+
+// Dependency:
+#include "../glm.hpp"
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+#	ifndef GLM_ENABLE_EXPERIMENTAL
+#		pragma message("GLM: GLM_GTX_matrix_interpolation 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_matrix_interpolation extension included")
+#	endif
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtx_matrix_interpolation
+	/// @{
+
+	/// Get the axis and angle of the rotation from a matrix.
+	/// From GLM_GTX_matrix_interpolation extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL void axisAngle(
+		mat<4, 4, T, Q> const& Mat, vec<3, T, Q> & Axis, T & Angle);
+
+	/// Build a matrix from axis and angle.
+	/// From GLM_GTX_matrix_interpolation extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL mat<4, 4, T, Q> axisAngleMatrix(
+		vec<3, T, Q> const& Axis, T const Angle);
+
+	/// Extracts the rotation part of a matrix.
+	/// From GLM_GTX_matrix_interpolation extension.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL mat<4, 4, T, Q> extractMatrixRotation(
+		mat<4, 4, T, Q> const& Mat);
+
+	/// Build a interpolation of 4 * 4 matrixes.
+	/// From GLM_GTX_matrix_interpolation extension.
+	/// Warning! works only with rotation and/or translation matrixes, scale will generate unexpected results.
+	template<typename T, qualifier Q>
+	GLM_FUNC_DECL mat<4, 4, T, Q> interpolate(
+		mat<4, 4, T, Q> const& m1, mat<4, 4, T, Q> const& m2, T const Delta);
+
+	/// @}
+}//namespace glm
+
+#include "matrix_interpolation.inl"