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124 lines
3.7 KiB
C
124 lines
3.7 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) 1991-2008 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 "LUscalarMatrix.H"
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class Type>
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void Foam::LUscalarMatrix::solve(Field<Type>& sourceSol) const
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{
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if (Pstream::parRun())
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{
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Field<Type> completeSourceSol(n());
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if (Pstream::master())
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{
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typename Field<Type>::subField
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(
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completeSourceSol,
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sourceSol.size()
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).assign(sourceSol);
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for
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(
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int slave=Pstream::firstSlave();
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slave<=Pstream::lastSlave();
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slave++
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)
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{
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IPstream::read
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(
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Pstream::scheduled,
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slave,
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reinterpret_cast<char*>
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(
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&(completeSourceSol[procOffsets_[slave]])
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),
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(procOffsets_[slave + 1] - procOffsets_[slave])*sizeof(Type)
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);
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}
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}
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else
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{
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OPstream::write
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(
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Pstream::scheduled,
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Pstream::masterNo(),
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reinterpret_cast<const char*>(sourceSol.begin()),
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sourceSol.byteSize()
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);
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}
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if (Pstream::master())
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{
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LUBacksubstitute(*this, pivotIndices_, completeSourceSol);
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sourceSol = typename Field<Type>::subField
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(
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completeSourceSol,
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sourceSol.size()
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);
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for
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(
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int slave=Pstream::firstSlave();
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slave<=Pstream::lastSlave();
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slave++
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)
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{
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OPstream::write
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(
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Pstream::blocking,
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slave,
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reinterpret_cast<const char*>
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(
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&(completeSourceSol[procOffsets_[slave]])
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),
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(procOffsets_[slave + 1] - procOffsets_[slave])*sizeof(Type)
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);
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}
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}
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else
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{
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IPstream::read
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(
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Pstream::blocking,
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Pstream::masterNo(),
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reinterpret_cast<char*>(sourceSol.begin()),
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sourceSol.byteSize()
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);
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}
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}
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else
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{
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LUBacksubstitute(*this, pivotIndices_, sourceSol);
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}
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}
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// ************************************************************************* //
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