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"
