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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
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/*
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*
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* (C) 2001 by Argonne National Laboratory.
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* See COPYRIGHT in top-level directory.
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*/
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#include "mpiimpl.h"
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/* -- Begin Profiling Symbol Block for routine MPI_Pack_external_size */
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#if defined(HAVE_PRAGMA_WEAK)
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#pragma weak MPI_Pack_external_size = PMPI_Pack_external_size
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#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
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#pragma _HP_SECONDARY_DEF PMPI_Pack_external_size MPI_Pack_external_size
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#elif defined(HAVE_PRAGMA_CRI_DUP)
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#pragma _CRI duplicate MPI_Pack_external_size as PMPI_Pack_external_size
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#elif defined(HAVE_WEAK_ATTRIBUTE)
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int MPI_Pack_external_size(const char datarep[], int incount, MPI_Datatype datatype,
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MPI_Aint * size)
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__attribute__ ((weak, alias("PMPI_Pack_external_size")));
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#endif
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/* -- End Profiling Symbol Block */
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/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
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the MPI routines */
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#ifndef MPICH_MPI_FROM_PMPI
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#undef MPI_Pack_external_size
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#define MPI_Pack_external_size PMPI_Pack_external_size
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#endif
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#undef FUNCNAME
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#define FUNCNAME MPI_Pack_external_size
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#undef FCNAME
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#define FCNAME "MPI_Pack_external_size"
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/*@
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MPI_Pack_external_size - Returns the upper bound on the amount of
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space needed to pack a message using MPI_Pack_external.
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Input Parameters:
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+ datarep - data representation (string)
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. incount - number of input data items (integer)
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- datatype - datatype of each input data item (handle)
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Output Parameters:
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. size - output buffer size, in bytes (address integer)
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.N ThreadSafe
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.N Fortran
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.N Errors
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.N MPI_SUCCESS
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.N MPI_ERR_TYPE
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.N MPI_ERR_ARG
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@*/
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int MPI_Pack_external_size(const char datarep[],
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int incount, MPI_Datatype datatype, MPI_Aint * size)
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{
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int mpi_errno = MPI_SUCCESS;
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MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_PACK_EXTERNAL_SIZE);
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MPIR_ERRTEST_INITIALIZED_ORDIE();
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MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_PACK_EXTERNAL_SIZE);
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/* Validate parameters, especially handles needing to be converted */
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#ifdef HAVE_ERROR_CHECKING
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{
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MPID_BEGIN_ERROR_CHECKS;
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{
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MPIR_ERRTEST_COUNT(incount, mpi_errno);
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MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);
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}
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MPID_END_ERROR_CHECKS;
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}
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#endif
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/* Validate parameters and objects (post conversion) */
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#ifdef HAVE_ERROR_CHECKING
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{
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MPID_BEGIN_ERROR_CHECKS;
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{
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MPIR_Datatype *datatype_ptr = NULL;
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/* Convert MPI object handles to object pointers */
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MPIR_Datatype_get_ptr(datatype, datatype_ptr);
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/* Validate datatype_ptr */
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MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);
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/* If datatype_ptr is not valid, it will be reset to null */
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if (mpi_errno)
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goto fn_fail;
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}
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MPID_END_ERROR_CHECKS;
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}
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#endif /* HAVE_ERROR_CHECKING */
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/* ... body of routine ... */
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*size = (MPI_Aint) incount *(MPI_Aint) MPIR_Datatype_size_external32(datatype);
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/* ... end of body of routine ... */
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#ifdef HAVE_ERROR_CHECKING
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fn_exit:
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#endif
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MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_PACK_EXTERNAL_SIZE);
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return mpi_errno;
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/* --BEGIN ERROR HANDLING-- */
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#ifdef HAVE_ERROR_CHECKING
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fn_fail:
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{
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mpi_errno =
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MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
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"**mpi_pack_external_size", "**mpi_pack_external_size %s %d %D %p",
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datarep, incount, datatype, size);
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}
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mpi_errno = MPIR_Err_return_comm(0, FCNAME, mpi_errno);
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goto fn_exit;
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#endif
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/* --END ERROR HANDLING-- */
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}
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