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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2018 OpenFOAM Foundation
\\/ M anipulation |
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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/>.
InNamespace
Foam
Description
The bandCompression function renumbers the addressing such that the
band of the matrix is reduced. The algorithm uses a simple search
through the neighbour list in order of connectivity.
(CutHill-McKee algorithm)
SourceFiles
bandCompression.C
\*---------------------------------------------------------------------------*/
#ifndef bandCompression_H
#define bandCompression_H
#include "labelList.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
//- Renumbers the addressing to reduce the band of the matrix.
// The algorithm uses a simple search through the neighbour list
// Returns the order in which the cells need to be visited (i.e. ordered to
// original)
labelList bandCompression(const labelListList& addressing);
//- Renumber with addressing in losort form (neighbour + start in neighbour)
labelList bandCompression(const labelList& cellCells, const labelList& offsets);
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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