opm-simulators/opm/autodiff/MPIUtilities.cpp
2018-11-13 15:26:44 +01:00

45 lines
1.4 KiB
C++

/*
Copyright 2014 SINTEF ICT, Applied Mathematics.
Copyright 2014 IRIS AS
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <boost/any.hpp>
#include <opm/core/linalg/ParallelIstlInformation.hpp>
namespace Opm
{
/// Return true if this is a serial run, or rank zero on an MPI run.
bool isIORank(const boost::any& parallel_info)
{
#if HAVE_MPI
if (parallel_info.type() == typeid(ParallelISTLInformation)) {
const ParallelISTLInformation& info =
boost::any_cast<const ParallelISTLInformation&>(parallel_info);
return info.communicator().rank() == 0;
} else {
return true;
}
#else
static_cast<void>(parallel_info); // Suppress unused argument warning.
return true;
#endif
}
} // namespace Opm