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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
#include "scalarMatrices.H"
#include "vector.H"
using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main(int argc, char *argv[])
{
SquareMatrix<scalar> hmm(3);
hmm[0][0] = -3.0;
hmm[0][1] = 10.0;
hmm[0][2] = -4.0;
hmm[1][0] = 2.0;
hmm[1][1] = 3.0;
hmm[1][2] = 10.0;
hmm[2][0] = 2.0;
hmm[2][1] = 6.0;
hmm[2][2] = 1.0;
//Info<< hmm << endl << hmm - 2.0*(-hmm) << endl;
Info<< max(hmm) << endl;
Info<< min(hmm) << endl;
SquareMatrix<scalar> hmm2(3, 3, 1.0);
hmm = hmm2;
Info<< hmm << endl;
//SquareMatrix<scalar> hmm3(Sin);
//Info<< hmm3 << endl;
SquareMatrix<scalar> hmm4;
hmm4 = hmm2;
Info<< hmm4 << endl;
SquareMatrix<scalar> hmm5;
hmm4 = hmm5;
Info<< hmm5 << endl;
{
scalarSymmetricSquareMatrix symmMatrix(3, 3, 0);
symmMatrix(0, 0) = 4;
symmMatrix(1, 0) = 12;
symmMatrix(1, 1) = 37;
symmMatrix(2, 0) = -16;
symmMatrix(2, 1) = -43;
symmMatrix(2, 2) = 98;
Info<< "Symmetric Square Matrix = " << symmMatrix << endl;
Info<< "Inverse = " << inv(symmMatrix) << endl;
Info<< "Determinant = " << det(symmMatrix) << endl;
scalarSymmetricSquareMatrix symmMatrix2(symmMatrix);
LUDecompose(symmMatrix2);
Info<< "Inverse = " << invDecomposed(symmMatrix2) << endl;
Info<< "Determinant = " << detDecomposed(symmMatrix2) << endl;
scalarDiagonalMatrix rhs(3, 0);
rhs[0] = 1;
rhs[1] = 2;
rhs[2] = 3;
LUsolve(symmMatrix, rhs);
Info<< "Decomposition = " << symmMatrix << endl;
Info<< "Solution = " << rhs << endl;
}
{
scalarSquareMatrix squareMatrix(3, 3, 0);
squareMatrix[0][0] = 4;
squareMatrix[0][1] = 12;
squareMatrix[0][2] = -16;
squareMatrix[1][0] = 12;
squareMatrix[1][1] = 37;
squareMatrix[1][2] = -43;
squareMatrix[2][0] = -16;
squareMatrix[2][1] = -43;
squareMatrix[2][2] = 98;
Info<< nl << "Square Matrix = " << squareMatrix << endl;
scalarDiagonalMatrix rhs(3, 0);
rhs[0] = 1;
rhs[1] = 2;
rhs[2] = 3;
LUsolve(squareMatrix, rhs);
Info<< "Decomposition = " << squareMatrix << endl;
Info<< "Solution = " << rhs << endl;
}
Info<< "\nEnd\n" << endl;
return 0;
}
// ************************************************************************* //