BaseLib::MPI::Setup Struct Reference

Detailed Description

Definition at line 24 of file MPI.h.

#include <MPI.h>

Public Member Functions
	Setup (int argc, char *argv[])
	~Setup ()

Constructor & Destructor Documentation

Setup()

BaseLib::MPI::Setup::Setup	(	int	argc,
		char *	argv[] )

Definition at line 15 of file MPI.cpp.

{
#ifdef USE_PETSC
    {
        int mpi_init;
        MPI_Initialized(&mpi_init);
        if (mpi_init == 1)
        {
            OGS_FATAL(
                "MPI has already been initialized. OGS does not support "
                "multiple MPI sessions in the same process");
        }
    }
 
    {
        int mpi_fin;
        MPI_Finalized(&mpi_fin);
        if (mpi_fin == 1)
        {
            OGS_FATAL(
                "MPI has already been shut down. OGS does not support multiple "
                "MPI sessions in the same process");
        }
    }
 
    MPI_Init(&argc, &argv);
#else
    (void)argc;
    (void)argv;
#endif
}

References OGS_FATAL.

~Setup()

BaseLib::MPI::Setup::~Setup

(

)

Definition at line 47 of file MPI.cpp.

{
#ifdef USE_PETSC
    int mpi_init;
    MPI_Initialized(&mpi_init);
    if (mpi_init == 1)
    {
        MPI_Finalize();
    }
#endif  // USE_PETSC
}

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The documentation for this struct was generated from the following files:

• MPI.h
• MPI.cpp