source: ThirdParty/vmg/src/base/matrix.cpp@ 33a694

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Last change on this file since 33a694 was 7faa5c, checked in by Frederik Heber <heber@…>, 8 years ago

Merge commit 'de061d9d851257a04e924d4472df4523d33bb08b' as 'ThirdParty/vmg'

  • Property mode set to 100644
File size: 1.3 KB
Line 
1/*
2 * vmg - a versatile multigrid solver
3 * Copyright (C) 2012 Institute for Numerical Simulation, University of Bonn
4 *
5 * vmg is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * vmg is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19/**
20 * @file matrix.cpp
21 * @author Julian Iseringhausen <isering@ins.uni-bonn.de>
22 * @date Mon Apr 18 12:20:22 2011
23 *
24 * @brief Source file for the class VMG::Matrix, which represents a 3x3 matrix
25 * and defines some useful operations.
26 *
27 */
28
29#ifdef HAVE_CONFIG_H
30#include <libvmg_config.h>
31#endif
32
33#include "base/matrix.hpp"
34
35using namespace VMG;
36
37const Matrix abT(const Vector lhs, const Vector rhs)
38{
39 Matrix matrix;
40
41 for (int i=0; i<3; i++)
42 for (int j=0; j<3; j++)
43 matrix(i,j) = lhs.vec()[i] * rhs.vec()[j];
44
45 return matrix;
46}
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