77 lines
2.1 KiB
C++
77 lines
2.1 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 | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2020 OpenCFD Ltd.
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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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\*---------------------------------------------------------------------------*/
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#include "dummyLib.H"
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#include <iostream>
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#include <mpi.h>
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// * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * * //
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bool Foam::Detail::dummyLib::hasMPI()
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{
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return true;
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}
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bool Foam::Detail::dummyLib::printMPI()
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{
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int rank = 0, nprocs = 0;
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MPI_Init(nullptr, nullptr);
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MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
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MPI_Comm_rank(MPI_COMM_WORLD, &rank);
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// Hello world
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std::cout
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<<
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(
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std::string("mpi rank ")
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+ std::to_string(rank) + '/' + std::to_string(nprocs)
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+ '\n'
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);
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MPI_Finalize();
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#ifdef FOAM_MPI
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if (rank == 0)
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{
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std::cout
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<<
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(
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std::string("FOAM_MPI=") + std::string(FOAM_MPI)
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+ '\n'
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);
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}
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#endif
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return rank == 0;
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}
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// ************************************************************************* //
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