Commit | Line | Data |
---|---|---|
b311480e | 1 | // Created on: 2011-07-13 |
2 | // Created by: Sergey ZERCHANINOV | |
973c2be1 | 3 | // Copyright (c) 2011-2014 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
11 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
2166f0fa SK |
15 | |
16 | #include <OpenGl_Matrix.hxx> | |
17 | ||
18 | /*----------------------------------------------------------------------*/ | |
19 | ||
20 | void OpenGl_Multiplymat3 (OpenGl_Matrix *c, const OpenGl_Matrix *a, const OpenGl_Matrix *b) | |
21 | { | |
22 | int row, col, i; | |
23 | for (row = 0; row < 4; row++) { | |
24 | for (col = 0; col < 4; col++) { | |
25 | float sum = 0.F; | |
26 | for (i = 0; i < 4; i++) | |
27 | sum += a->mat[row][i] * b->mat[i][col]; | |
28 | c->mat[row][col] = sum; | |
29 | } | |
30 | } | |
31 | } | |
32 | ||
33 | /*----------------------------------------------------------------------*/ | |
34 | ||
35 | void OpenGl_Transposemat3 (OpenGl_Matrix *c, const OpenGl_Matrix *a) | |
36 | { | |
37 | Tint row, col; | |
38 | for (row = 0; row < 4; row++) | |
39 | for (col = 0; col < 4; col++) | |
40 | c->mat[row][col] = a->mat[col][row]; | |
41 | } |