/usr/include/glm/gtx/matrix_interpolation.hpp is in libglm-dev 0.9.9~a2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | /// @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 exiciting matrices.
#pragma once
// Dependency:
#include "../glm.hpp"
#ifndef GLM_ENABLE_EXPERIMENTAL
# error "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."
#endif
#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
# pragma message("GLM: GLM_GTX_matrix_interpolation extension included")
#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"
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