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57 lines
2.2 KiB
C++
57 lines
2.2 KiB
C++
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/*
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Copyright 2015 Dr. Markus Blatt - HPC-Simulation-Software & Services
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Copyright 2015 NTNU
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it 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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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License 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 OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include "ExtractParallelGridInformationToISTL.hpp"
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#include <opm/core/linalg/ParallelIstlInformation.hpp>
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#include <dune/common/version.hh>
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namespace Opm
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{
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#if defined(HAVE_DUNE_CORNERPOINT) && DUNE_VERSION_NEWER(DUNE_GRID, 2, 3)
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#if defined(HAVE_MPI) && defined(HAVE_DUNE_ISTL)
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// Extracts the information about the data decomposition from the grid for dune-istl
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struct NullDeleter
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{
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void operator()(void*)
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{}
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};
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void extractParallelGridInformationToISTL(boost::any& anyComm, const Dune::CpGrid& grid)
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{
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if(grid.comm().size()>1)
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{
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// this is a parallel run with distributed data.
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NullDeleter null_delete;
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Dune::CpGrid& mgrid=const_cast<Dune::CpGrid&>(grid);
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Dune::CpGrid::ParallelIndexSet* idx=&(mgrid.getCellIndexSet());
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Dune::CpGrid::RemoteIndices* ridx=&(mgrid.getCellRemoteIndices());
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anyComm=boost::any(Opm::ParallelISTLInformation(std::shared_ptr<Dune::CpGrid::ParallelIndexSet>(idx, null_delete),
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std::shared_ptr<Dune::CpGrid::RemoteIndices>(ridx, null_delete),
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grid.comm()));
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}
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}
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#else
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// Missing support for MPI or dune-istl -> do nothing.
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void extractParallelGridInformationToISTL(boost::any&, const Dune::CpGrid&)
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{}
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#endif //defined(HAVE_MPI) && defined(HAVE_DUNE_ISTL)
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#endif //defined(HAVE_DUNE_CORNERPOINT)
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} // end namespace Opm
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