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118 lines
3.6 KiB
C
118 lines
3.6 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) 2004-2010 OpenCFD Ltd.
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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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Description
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Decomposition given a cell-to-processor association in a file
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\*---------------------------------------------------------------------------*/
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#include "manualDecomp.H"
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#include "addToRunTimeSelectionTable.H"
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#include "IFstream.H"
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#include "labelIOList.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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defineTypeNameAndDebug(manualDecomp, 0);
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addToRunTimeSelectionTable
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(
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decompositionMethod,
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manualDecomp,
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dictionary
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);
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::manualDecomp::manualDecomp(const dictionary& decompositionDict)
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:
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decompositionMethod(decompositionDict),
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decompDataFile_
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(
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decompositionDict.subDict(word(decompositionDict.lookup("method"))
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+ "Coeffs").lookup("dataFile")
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)
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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Foam::labelList Foam::manualDecomp::decompose
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(
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const polyMesh& mesh,
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const pointField& points,
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const scalarField& pointWeights
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)
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{
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labelIOList finalDecomp
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(
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IOobject
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(
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decompDataFile_,
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mesh.facesInstance(),
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mesh,
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IOobject::MUST_READ,
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IOobject::AUTO_WRITE,
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false
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)
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);
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// check if the final decomposition is OK
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if (finalDecomp.size() != points.size())
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{
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FatalErrorIn
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(
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"manualDecomp::decompose(const pointField&, const scalarField&)"
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) << "Size of decomposition list does not correspond "
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<< "to the number of points. Size: "
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<< finalDecomp.size() << " Number of points: "
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<< points.size()
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<< ".\n" << "Manual decomposition data read from file "
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<< decompDataFile_ << "." << endl
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<< exit(FatalError);
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}
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if (min(finalDecomp) < 0 || max(finalDecomp) > nProcessors_ - 1)
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{
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FatalErrorIn
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(
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"manualDecomp::decompose(const pointField&, const scalarField&)"
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) << "According to the decomposition, cells assigned to "
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<< "impossible processor numbers. Min processor = "
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<< min(finalDecomp) << " Max processor = " << max(finalDecomp)
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<< ".\n" << "Manual decomposition data read from file "
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<< decompDataFile_ << "." << endl
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<< exit(FatalError);
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}
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return finalDecomp;
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}
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// ************************************************************************* //
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