54 строки
1.4 KiB
C
54 строки
1.4 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include <stdio.h>
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#include "mpi.h"
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#include "mpi/c/bindings.h"
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#include "mpi/f77/fint_2_int.h"
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#include "errhandler/errhandler.h"
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#include "communicator/communicator.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Comm_f2c = PMPI_Comm_f2c
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_Comm_f2c";
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MPI_Comm MPI_Comm_f2c(MPI_Fint comm)
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{
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int o_index= OMPI_FINT_2_INT(comm);
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if ( MPI_PARAM_CHECK ) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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}
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/* Per MPI-2:4.12.4, do not invoke an error handler if we get an
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invalid fortran handle */
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if ( 0 > o_index ||
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o_index >= ompi_pointer_array_get_size(&ompi_mpi_communicators)) {
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return MPI_COMM_NULL;
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}
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return ompi_pointer_array_get_item(&ompi_mpi_communicators, o_index);
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}
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