group_exclf.c

MPICH是MPI的重要研究,提供了一系列的接口函数,为并行计算的实现提供了编程环境.

/* group_excl.c */
/* Custom Fortran interface file */
#include "mpi_fortimpl.h"
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif

#if defined(MPI_BUILD_PROFILING) || defined(HAVE_WEAK_SYMBOLS)

#if defined(HAVE_WEAK_SYMBOLS)
#if defined(HAVE_PRAGMA_WEAK)
#if defined(F77_NAME_UPPER)
#pragma weak MPI_GROUP_EXCL = PMPI_GROUP_EXCL
void MPI_GROUP_EXCL ( MPI_Fint *, MPI_Fint *, MPI_Fint *, MPI_Fint *, MPI_Fint * );
#elif defined(F77_NAME_LOWER_2USCORE)
#pragma weak mpi_group_excl__ = pmpi_group_excl__
void mpi_group_excl__ ( MPI_Fint *, MPI_Fint *, MPI_Fint *, MPI_Fint *, MPI_Fint * );
#elif !defined(F77_NAME_LOWER_USCORE)
#pragma weak mpi_group_excl = pmpi_group_excl
void mpi_group_excl ( MPI_Fint *, MPI_Fint *, MPI_Fint *, MPI_Fint *, MPI_Fint * );
#else
#pragma weak mpi_group_excl_ = pmpi_group_excl_
void mpi_group_excl_ ( MPI_Fint *, MPI_Fint *, MPI_Fint *, MPI_Fint *, MPI_Fint * );
#endif

#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#if defined(F77_NAME_UPPER)
#pragma _HP_SECONDARY_DEF PMPI_GROUP_EXCL  MPI_GROUP_EXCL
#elif defined(F77_NAME_LOWER_2USCORE)
#pragma _HP_SECONDARY_DEF pmpi_group_excl__  mpi_group_excl__
#elif !defined(F77_NAME_LOWER_USCORE)
#pragma _HP_SECONDARY_DEF pmpi_group_excl  mpi_group_excl
#else
#pragma _HP_SECONDARY_DEF pmpi_group_excl_  mpi_group_excl_
#endif

#elif defined(HAVE_PRAGMA_CRI_DUP)
#if defined(F77_NAME_UPPER)
#pragma _CRI duplicate MPI_GROUP_EXCL as PMPI_GROUP_EXCL
#elif defined(F77_NAME_LOWER_2USCORE)
#pragma _CRI duplicate mpi_group_excl__ as pmpi_group_excl__
#elif !defined(F77_NAME_LOWER_USCORE)
#pragma _CRI duplicate mpi_group_excl as pmpi_group_excl
#else
#pragma _CRI duplicate mpi_group_excl_ as pmpi_group_excl_
#endif

/* end of weak pragmas */
#endif

/* Include mapping from MPI->PMPI */
#include "mpiprof.h"
/* Insert the prototypes for the PMPI routines */
#undef __MPI_BINDINGS
#include "binding.h"
#endif

#ifdef F77_NAME_UPPER
#define mpi_group_excl_ PMPI_GROUP_EXCL
#elif defined(F77_NAME_LOWER_2USCORE)
#define mpi_group_excl_ pmpi_group_excl__
#elif !defined(F77_NAME_LOWER_USCORE)
#define mpi_group_excl_ pmpi_group_excl
#else
#define mpi_group_excl_ pmpi_group_excl_
#endif

#else

#ifdef F77_NAME_UPPER
#define mpi_group_excl_ MPI_GROUP_EXCL
#elif defined(F77_NAME_LOWER_2USCORE)
#define mpi_group_excl_ mpi_group_excl__
#elif !defined(F77_NAME_LOWER_USCORE)
#define mpi_group_excl_ mpi_group_excl
#endif
#endif


/* Prototype to suppress warnings about missing prototypes */
FORTRAN_API void FORT_CALL mpi_group_excl_ ( MPI_Fint *, MPI_Fint *, MPI_Fint *, 
                                 MPI_Fint *, MPI_Fint * );

FORTRAN_API void FORT_CALL mpi_group_excl_ ( MPI_Fint *group, MPI_Fint *n, MPI_Fint *ranks, MPI_Fint *newgroup, MPI_Fint *__ierr )
{
    MPI_Group l_newgroup;
   
    if (sizeof(MPI_Fint) == sizeof(int))
        *__ierr = MPI_Group_excl( MPI_Group_f2c(*group), *n, ranks, 
                                  &l_newgroup );
    else {
	int *l_ranks;
	int i;

	MPIR_FALLOC(l_ranks,(int*)MALLOC(sizeof(int)* (int)*n),
		    MPIR_COMM_WORLD, MPI_ERR_EXHAUSTED,
		    "MPI_Group_excl");
	for (i=0; i<*n; i++)
	    l_ranks[i] = (int)ranks[i];
	
        *__ierr = MPI_Group_excl( MPI_Group_f2c(*group), (int)*n, l_ranks, 
                                  &l_newgroup );

	FREE( l_ranks );
    }
    if (*__ierr == MPI_SUCCESS) 		     
        *newgroup = MPI_Group_c2f(l_newgroup);
}