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/*
* Copyright (c) 2001-2002 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 1998-2001 University of Notre Dame.
* All rights reserved.
* Copyright (c) 1994-1998 The Ohio State University.
* All rights reserved.
*
* This file is part of the LAM/MPI software package. For license
* information, see the LICENSE file in the top level directory of the
* LAM/MPI source distribution.
*
* $HEADER$
*
* $Id: tsize.c,v 6.5 2002/12/11 19:15:14 jsquyres Exp $
*
* Function: - return size of datatype
* Accepts: - datatype
* - ptr to size (returned value)
* Returns: - MPI_SUCCESS or error code
*/
#include <blktype.h>
#include <mpi.h>
#include <mpisys.h>
/*@
MPI_Type_size - Return the number of bytes occupied by entries
in the datatype
Input Parameters:
. dtype - datatype (handle)
Output Parameter:
. psize - datatype size (integer)
.N fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_TYPE
.N MPI_ERR_ARG
.N ACK
@*/
int MPI_Type_size(MPI_Datatype dtype, int *psize)
{
lam_initerr();
lam_setfunc(BLKMPITSIZE);
if (dtype == MPI_DATATYPE_NULL) {
return(lam_errfunc(MPI_COMM_WORLD,
BLKMPITSIZE, lam_mkerr(MPI_ERR_TYPE, EINVAL)));
}
else if (psize == 0) {
return(lam_errfunc(MPI_COMM_WORLD,
BLKMPITSIZE, lam_mkerr(MPI_ERR_ARG, EINVAL)));
}
else {
*psize = dtype->dt_size;
}
lam_resetfunc(BLKMPITSIZE);
return(MPI_SUCCESS);
}
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