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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 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/>.
Class
Foam::DiagonalMatrix
Description
DiagonalMatrix<Type> is a 2D diagonal matrix of objects
of type Type, size nxn
SourceFiles
DiagonalMatrix.C
\*---------------------------------------------------------------------------*/
#ifndef DiagonalMatrix_H
#define DiagonalMatrix_H
#include "List.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * Class Forward declaration * * * * * * * * * * * //
template<class Form, class Type> class Matrix;
/*---------------------------------------------------------------------------*\
Class DiagonalMatrix Declaration
\*---------------------------------------------------------------------------*/
template<class Type>
class DiagonalMatrix
:
public List<Type>
{
public:
// Constructors
//- Null constructor.
DiagonalMatrix();
//- Construct from diagonal component of a Matrix
template<class Form>
DiagonalMatrix(const Matrix<Form, Type>&);
//- Construct empty from size
DiagonalMatrix(const label size);
//- Construct from size and a value
DiagonalMatrix(const label, const Type&);
//- Construct from an initialiser list
DiagonalMatrix(std::initializer_list<Type>);
//- Construct from Istream.
DiagonalMatrix(Istream&);
// Member Functions
//- Return the instantiated type name
static word typeName()
{
return word("DiagonalMatrix<", pTraits<Type>::typeName, '>');
}
//- Invert the diagonal matrix and return itself
DiagonalMatrix<Type>& invert();
};
// Global functions
//- Return the diagonal Matrix inverse
template<class Type>
DiagonalMatrix<Type> inv(const DiagonalMatrix<Type>&);
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "DiagonalMatrix.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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