BI_GetMpiGeType.c File Reference

#include "Bdef.h"

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Functions/Subroutines
MPI_Datatype	BI_GetMpiGeType (BLACSCONTEXT *ctxt, int m, int n, int lda, MPI_Datatype Dtype, int *N)

---

Function/Subroutine Documentation

MPI_Datatype BI_GetMpiGeType	(	BLACSCONTEXT *	ctxt,
		int	m,
		int	n,
		int	lda,
		MPI_Datatype	Dtype,
		int *	N
	)

Definition at line 2 of file BI_GetMpiGeType.c.

{
   int info;
   MPI_Datatype GeType;

/*
 * Some versions of mpich and its derivitives cannot handle 0 byte typedefs,
 * so we set type MPI_BYTE as a flag for a 0 byte message
 */
#ifdef ZeroByteTypeBug
   if ( (m < 1) || (n < 1) )
   {
      *N = 0;
      return (MPI_BYTE);
   }
#endif
   *N = 1;
   info=MPI_Type_vector(n, m, lda, Dtype, &GeType);
   info=MPI_Type_commit(&GeType);

   return(GeType);
}

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