1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | foam-extend: Open Source CFD
4 \\ / O peration | Version: 3.2
5 \\ / A nd | Web: http://www.foam-extend.org
6 \\/ M anipulation | For copyright notice see file Copyright
7 -------------------------------------------------------------------------------
9 This file is part of foam-extend.
11 foam-extend is free software: you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation, either version 3 of the License, or (at your
14 option) any later version.
16 foam-extend is distributed in the hope that it will be useful, but
17 WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with foam-extend. If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #include "DiagonalMatrix.H"
28 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
32 Foam::DiagonalMatrix<Type>::DiagonalMatrix(const Matrix<Form, Type>& a)
34 List<Type>(min(a.n(), a.m()))
38 this->operator[](i) = a[i][i];
44 Foam::DiagonalMatrix<Type>::DiagonalMatrix(const label size)
51 Foam::DiagonalMatrix<Type>::DiagonalMatrix(const label size, const Type& val)
58 Foam::DiagonalMatrix<Type>& Foam::DiagonalMatrix<Type>::invert()
62 Type x = this->operator[](i);
65 this->operator[](i) = Type(0);
69 this->operator[](i) = Type(1)/x;
78 Foam::DiagonalMatrix<Type> Foam::inv(const DiagonalMatrix<Type>& A)
80 DiagonalMatrix<Type> Ainv = A;
99 // ************************************************************************* //