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132 lines
4.2 KiB
C
132 lines
4.2 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) 1991-2009 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 "ReadFields.H"
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#include "HashSet.H"
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#include "Pstream.H"
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#include "IOobjectList.H"
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// * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * //
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// Read all fields of type. Returns names of fields read. Guarantees all
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// processors to read fields in same order.
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template<class GeoField, class Mesh>
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Foam::wordList Foam::ReadFields
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(
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const Mesh& mesh,
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const IOobjectList& objects,
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PtrList<GeoField>& fields,
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const bool syncPar
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)
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{
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// Search list of objects for wanted type
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IOobjectList fieldObjects(objects.lookupClass(GeoField::typeName));
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wordList masterNames(fieldObjects.names());
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if (syncPar && Pstream::parRun())
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{
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// Check that I have the same fields as the master
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const wordList localNames(masterNames);
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Pstream::scatter(masterNames);
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HashSet<word> localNamesSet(localNames);
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forAll(masterNames, i)
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{
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const word& masterFld = masterNames[i];
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HashSet<word>::iterator iter = localNamesSet.find(masterFld);
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if (iter == localNamesSet.end())
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{
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FatalErrorIn
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(
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"ReadFields<class GeoField, class Mesh>"
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"(const Mesh&, const IOobjectList&, PtrList<GeoField>&"
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", const bool)"
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) << "Fields not synchronised across processors." << endl
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<< "Master has fields " << masterNames
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<< " processor " << Pstream::myProcNo()
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<< " has fields " << localNames << exit(FatalError);
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}
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else
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{
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localNamesSet.erase(iter);
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}
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}
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forAllConstIter(HashSet<word>, localNamesSet, iter)
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{
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FatalErrorIn
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(
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"ReadFields<class GeoField, class Mesh>"
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"(const Mesh&, const IOobjectList&, PtrList<GeoField>&"
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", const bool)"
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) << "Fields not synchronised across processors." << endl
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<< "Master has fields " << masterNames
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<< " processor " << Pstream::myProcNo()
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<< " has fields " << localNames << exit(FatalError);
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}
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}
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fields.setSize(masterNames.size());
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// Make sure to read in masterNames order.
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forAll(masterNames, i)
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{
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Info<< "Reading " << GeoField::typeName << ' ' << masterNames[i]
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<< endl;
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const IOobject& io = *fieldObjects[masterNames[i]];
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fields.set
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(
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i,
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new GeoField
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(
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IOobject
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(
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io.name(),
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io.instance(),
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io.local(),
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io.db(),
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IOobject::MUST_READ,
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IOobject::AUTO_WRITE,
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io.registerObject()
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),
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mesh
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)
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);
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}
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return masterNames;
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}
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// ************************************************************************* //
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