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b311480e | 1 | // Created on: 2011-07-13 |
2 | // Created by: Sergey ZERCHANINOV | |
3 | // Copyright (c) 2011-2012 OPEN CASCADE SAS | |
4 | // | |
5 | // The content of this file is subject to the Open CASCADE Technology Public | |
6 | // License Version 6.5 (the "License"). You may not use the content of this file | |
7 | // except in compliance with the License. Please obtain a copy of the License | |
8 | // at http://www.opencascade.org and read it completely before using this file. | |
9 | // | |
10 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its | |
11 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. | |
12 | // | |
13 | // The Original Code and all software distributed under the License is | |
14 | // distributed on an "AS IS" basis, without warranty of any kind, and the | |
15 | // Initial Developer hereby disclaims all such warranties, including without | |
16 | // limitation, any warranties of merchantability, fitness for a particular | |
17 | // purpose or non-infringement. Please see the License for the specific terms | |
18 | // and conditions governing the rights and limitations under the License. | |
19 | ||
2166f0fa SK |
20 | |
21 | #include <OpenGl_Matrix.hxx> | |
22 | ||
23 | /*----------------------------------------------------------------------*/ | |
24 | ||
25 | void OpenGl_Multiplymat3 (OpenGl_Matrix *c, const OpenGl_Matrix *a, const OpenGl_Matrix *b) | |
26 | { | |
27 | int row, col, i; | |
28 | for (row = 0; row < 4; row++) { | |
29 | for (col = 0; col < 4; col++) { | |
30 | float sum = 0.F; | |
31 | for (i = 0; i < 4; i++) | |
32 | sum += a->mat[row][i] * b->mat[i][col]; | |
33 | c->mat[row][col] = sum; | |
34 | } | |
35 | } | |
36 | } | |
37 | ||
38 | /*----------------------------------------------------------------------*/ | |
39 | ||
40 | void OpenGl_Transposemat3 (OpenGl_Matrix *c, const OpenGl_Matrix *a) | |
41 | { | |
42 | Tint row, col; | |
43 | for (row = 0; row < 4; row++) | |
44 | for (col = 0; col < 4; col++) | |
45 | c->mat[row][col] = a->mat[col][row]; | |
46 | } |