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rAKA/src/synchronizer/mpi_type_wrapper.hh
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mpi_type_wrapper.hh
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/**
* @file mpi_type_wrapper.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Oct 29 2013
* @date last modification: Tue Oct 29 2013
*
* @brief Wrapper on MPI types to have a better separation between libraries
*
* @section LICENSE
*
* Copyright (©) 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include <mpi.h>
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "static_communicator_mpi.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MPI_TYPE_WRAPPER_HH__
#define __AKANTU_MPI_TYPE_WRAPPER_HH__
__BEGIN_AKANTU__
class MPITypeWrapper {
public:
MPITypeWrapper(StaticCommunicatorMPI & static_comm) : static_comm(static_comm) {
}
template<typename T>
static inline MPI_Datatype getMPIDatatype();
inline void setMPICommunicator(MPI_Comm comm) {
communicator = comm;
int prank, psize;
MPI_Comm_rank(communicator, &prank);
MPI_Comm_size(communicator, &psize);
static_comm.setRank(prank);
static_comm.setSize(psize);
}
inline MPI_Comm getMPICommunicator() const {
return communicator;
}
static MPI_Op getMPISynchronizerOperation(const SynchronizerOperation & op) {
return synchronizer_operation_to_mpi_op[op];
}
private:
StaticCommunicatorMPI & static_comm;
MPI_Comm communicator;
static MPI_Op synchronizer_operation_to_mpi_op[_so_null + 1];
};
__END_AKANTU__
#endif /* __AKANTU_MPI_TYPE_WRAPPER_HH__ */
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