1 /* 2 * go-matrix3x3.h 3 * 4 * Copyright (C) 2007 Jean Brefort (jean.brefort@normalesup.org) 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 19 * USA 20 */ 21 22 #ifndef GO_MATRIX3X3_H 23 #define GO_MATRIX3X3_H 24 25 #include <glib.h> 26 27 G_BEGIN_DECLS 28 29 typedef struct { 30 gdouble a11, a12, a13, a21, a22, a23, a31, a32, a33; 31 } GOMatrix3x3; 32 33 void go_matrix3x3_transform (GOMatrix3x3 *mat, 34 double xo, double yo, double zo, 35 double *x, double *y, double *z); 36 37 void go_matrix3x3_from_euler (GOMatrix3x3 *mat, 38 double Psi, double Theta, double Phi); 39 40 void go_matrix3x3_from_euler_transposed (GOMatrix3x3 *mat, 41 double Psi, double Theta, double Phi); 42 43 void go_matrix3x3_to_euler (GOMatrix3x3 const *mat, 44 double *Psi, double *Theta, double *Phi); 45 46 void go_matrix3x3_multiply (GOMatrix3x3 *dest, 47 GOMatrix3x3 const *src1, GOMatrix3x3 const *src2); 48 49 G_END_DECLS 50 51 #endif /* GO_MATRIX3X3_H */ 52