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47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
// Created on: 2011-07-13
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// Created by: Sergey ZERCHANINOV
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// Copyright (c) 2011-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#include <OpenGl_Matrix.hxx>
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/*----------------------------------------------------------------------*/
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void OpenGl_Multiplymat3 (OpenGl_Matrix *c, const OpenGl_Matrix *a, const OpenGl_Matrix *b)
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{
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int row, col, i;
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for (row = 0; row < 4; row++) {
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for (col = 0; col < 4; col++) {
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float sum = 0.F;
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for (i = 0; i < 4; i++)
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sum += a->mat[row][i] * b->mat[i][col];
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c->mat[row][col] = sum;
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}
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}
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}
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/*----------------------------------------------------------------------*/
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void OpenGl_Transposemat3 (OpenGl_Matrix *c, const OpenGl_Matrix *a)
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{
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Tint row, col;
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for (row = 0; row < 4; row++)
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for (col = 0; col < 4; col++)
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c->mat[row][col] = a->mat[col][row];
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}
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