This file is indexed.

/usr/include/g3d/matrix.h is in libg3d-dev 0.0.8-22.

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
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/* $Id$ */

/*
    libg3d - 3D object loading library

    Copyright (C) 2005-2009  Markus Dahms <mad@automagically.de>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef _G3D_MATRIX_H
#define _G3D_MATRIX_H

#include <g3d/types.h>

G_BEGIN_DECLS

/**
 * SECTION:matrix
 * @short_description: Matrix manipulation and calculation
 * @include: g3d/matrix.h
 *
 * Matrices in libg3d have the following layout:
 *
 * G3DMatrix matrix[16]:
 *
 * matrix[col * 4 + row] = f;
 */

/**
 * g3d_matrix_identity:
 * @matrix: 4x4 matrix (float[16])
 *
 * Sets the given matrix to the identity matrix.
 *
 * Returns: TRUE on success, FALSE else
 */
gboolean g3d_matrix_identity(G3DMatrix *matrix);

/**
 * g3d_matrix_new:
 *
 * Create a new matrix. It is also set to the identity matrix.
 *
 * Returns: the new matrix
 */
_G3D_STATIC_INLINE G3DMatrix *g3d_matrix_new(void) {
	G3DMatrix *matrix = g_new(G3DMatrix, 16);
	g3d_matrix_identity(matrix);
	return matrix;
}

/**
 * g3d_matrix_free:
 * @matrix: the matrix to free
 *
 * Free the memory allocated by a matrix.
 */
_G3D_STATIC_INLINE void g3d_matrix_free(G3DMatrix *matrix) {
	g_free(matrix);
}

/**
 * g3d_matrix_multiply:
 * @m1: first matrix
 * @m2: second matrix
 * @rm: resulting matrix
 *
 * Multiplies the matrixes.
 *
 * Returns: TRUE on success, FALSE else
 */
gboolean g3d_matrix_multiply(G3DMatrix *m1, G3DMatrix *m2, G3DMatrix *rm);

/**
 * g3d_matrix_translate:
 * @x: x translation
 * @y: y translation
 * @z: z translation
 * @rm: resulting matrix
 *
 * Adds a translation to the the matrix.
 *
 * Returns: TRUE on success, FALSE else
 */
gboolean g3d_matrix_translate(G3DFloat x, G3DFloat y, G3DFloat z,
	G3DMatrix *rm);

/**
 * g3d_matrix_rotate:
 * @angle: rotation angle
 * @ax: x component of rotation axis
 * @ay: y component of rotation axis
 * @az: z component of rotation axis
 * @rm: resulting matrix
 *
 * Adds a rotation to the matrix.
 *
 * Returns: TRUE on success, FALSE else
 */
gboolean g3d_matrix_rotate(G3DFloat angle, G3DFloat ax, G3DFloat ay,
	G3DFloat az, G3DMatrix *rm);

/**
 * g3d_matrix_rotate_xyz
 * @rx: rotation around x axis
 * @ry: rotation around y axis
 * @rz: rotation around z axis
 * @rm: resulting matrix
 *
 * Adds a rotation around the 3 coordinate system axes to the matrix.
 *
 * Returns: TRUE on success, FALSE else
 */
gboolean g3d_matrix_rotate_xyz(G3DFloat rx, G3DFloat ry, G3DFloat rz,
	G3DMatrix *rm);

/**
 * g3d_matrix_scale:
 * @x: x factor
 * @y: y factor
 * @z: z factor
 * @rm: resulting matrix
 *
 * Adds a scaling to the matrix.
 *
 * Returns: TRUE on success, FALSE else
 */
gboolean g3d_matrix_scale(G3DFloat x, G3DFloat y, G3DFloat z, G3DMatrix *rm);

/**
 * g3d_matrix_transpose:
 * @matrix: the matrix
 *
 * Transposes the matrix.
 *
 * Returns: TRUE on success, FALSE else
 */
gboolean g3d_matrix_transpose(G3DMatrix *matrix);

/**
 * g3d_matrix_determinant:
 * @matrix: the matrix
 *
 * Calculate the determinant of the matrix (FIXME: not verified).
 *
 * Returns: the determinant.
 */
G3DFloat g3d_matrix_determinant(G3DMatrix *matrix);

/**
 * g3d_matrix_dump:
 * @matrix: the matrix
 *
 * If debugging is enabled, this function dump the matrix to stderr.
 *
 * Returns: TRUE if matrix is dumped, FALSE else
 */
gboolean g3d_matrix_dump(G3DMatrix *matrix);

G_END_DECLS

#endif /* _G3D_MATRIX_H */