1 // Created on: 2011-07-13
2 // Created by: Sergey ZERCHANINOV
3 // Copyright (c) 2011-2012 OPEN CASCADE SAS
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.
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.
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.
21 #include <OpenGl_Matrix.hxx>
23 /*----------------------------------------------------------------------*/
25 void OpenGl_Multiplymat3 (OpenGl_Matrix *c, const OpenGl_Matrix *a, const OpenGl_Matrix *b)
28 for (row = 0; row < 4; row++) {
29 for (col = 0; col < 4; col++) {
31 for (i = 0; i < 4; i++)
32 sum += a->mat[row][i] * b->mat[i][col];
33 c->mat[row][col] = sum;
38 /*----------------------------------------------------------------------*/
40 void OpenGl_Transposemat3 (OpenGl_Matrix *c, const OpenGl_Matrix *a)
43 for (row = 0; row < 4; row++)
44 for (col = 0; col < 4; col++)
45 c->mat[row][col] = a->mat[col][row];