64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 2011-2013 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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InNamespace
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Foam
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Description
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The bandCompression function renumbers the addressing such that the
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band of the matrix is reduced. The algorithm uses a simple search
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through the neighbour list in order of connectivity.
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(CutHill-McKee algorithm)
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SourceFiles
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bandCompression.C
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\*---------------------------------------------------------------------------*/
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#ifndef bandCompression_H
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#define bandCompression_H
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#include "labelList.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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//- Renumbers the addressing to reduce the band of the matrix.
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// The algorithm uses a simple search through the neighbour list
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// Returns the order in which the cells need to be visited (i.e. ordered to
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// original)
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labelList bandCompression(const labelListList& addressing);
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//- Renumber with addressing in losort form (neighbour + start in neighbour)
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labelList bandCompression(const labelList& cellCells, const labelList& offsets);
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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