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87 lines
2.7 KiB
C
87 lines
2.7 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) 1991-2007 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 the
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Free Software Foundation; either version 2 of the License, or (at your
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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, write to the Free Software Foundation,
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Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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\*---------------------------------------------------------------------------*/
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#include "combineSampleValues.H"
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#include "Pstream.H"
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#include "ListListOps.H"
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#include "IndirectList.H"
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using namespace Foam;
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// * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * //
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// Combine values from all processors. Valid result only on master processor.
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template<class T>
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void combineSampleValues
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(
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const PtrList<volFieldSampler<T> >& sampledFields,
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const labelListList& indexSets,
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PtrList<volFieldSampler<T> >& masterFields
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)
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{
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forAll(sampledFields, fieldI)
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{
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List<Field<T> > masterValues(indexSets.size());
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forAll(indexSets, setI)
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{
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// Collect data from all processors
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List<Field<T> > gatheredData(Pstream::nProcs());
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gatheredData[Pstream::myProcNo()] = sampledFields[fieldI][setI];
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Pstream::gatherList(gatheredData);
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if (Pstream::master())
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{
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Field<T> allData
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(
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ListListOps::combine<Field<T> >
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(
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gatheredData,
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Foam::accessOp<Field<T> >()
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)
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);
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masterValues[setI] =
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IndirectList<T>(allData, indexSets[setI])();
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}
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}
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masterFields.set
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(
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fieldI,
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new volFieldSampler<T>
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(
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masterValues,
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sampledFields[fieldI].name()
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)
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);
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}
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}
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// ************************************************************************* //
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