/usr/include/freefoam/OpenFOAM/DiagonalMatrix.C is in libfreefoam-dev 0.1.0+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ 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 "DiagonalMatrix.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
template<class Type>
template<class Form>
Foam::DiagonalMatrix<Type>::DiagonalMatrix(const Matrix<Form, Type>& a)
:
List<Type>(min(a.n(), a.m()))
{
forAll(*this, i)
{
this->operator[](i) = a[i][i];
}
}
template<class Type>
Foam::DiagonalMatrix<Type>::DiagonalMatrix(const label size)
:
List<Type>(size)
{}
template<class Type>
Foam::DiagonalMatrix<Type>::DiagonalMatrix(const label size, const Type& val)
:
List<Type>(size, val)
{}
template<class Type>
Foam::DiagonalMatrix<Type>& Foam::DiagonalMatrix<Type>::invert()
{
forAll(*this, i)
{
Type x = this->operator[](i);
if (mag(x) < VSMALL)
{
this->operator[](i) = Type(0);
}
else
{
this->operator[](i) = Type(1)/x;
}
}
return this;
}
template<class Type>
Foam::DiagonalMatrix<Type> Foam::inv(const DiagonalMatrix<Type>& A)
{
DiagonalMatrix<Type> Ainv = A;
forAll(A, i)
{
Type x = A[i];
if (mag(x) < VSMALL)
{
Ainv[i] = Type(0);
}
else
{
Ainv[i] = Type(1)/x;
}
}
return Ainv;
}
// ************************ vim: set sw=4 sts=4 et: ************************ //
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