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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_Type_get_extent */
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#if defined(HAVE_PRAGMA_WEAK)
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#pragma weak MPI_Type_get_extent = PMPI_Type_get_extent
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#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
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#pragma _HP_SECONDARY_DEF PMPI_Type_get_extent MPI_Type_get_extent
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#elif defined(HAVE_PRAGMA_CRI_DUP)
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#pragma _CRI duplicate MPI_Type_get_extent as PMPI_Type_get_extent
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#elif defined(HAVE_WEAK_ATTRIBUTE)
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int MPI_Type_get_extent(MPI_Datatype datatype, MPI_Aint * lb, MPI_Aint * extent)
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__attribute__ ((weak, alias("PMPI_Type_get_extent")));
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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_Type_get_extent
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#define MPI_Type_get_extent PMPI_Type_get_extent
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#undef FUNCNAME
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#define FUNCNAME MPIR_Type_get_extent_impl
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#undef FCNAME
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#define FCNAME MPL_QUOTE(FUNCNAME)
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void MPIR_Type_get_extent_impl(MPI_Datatype datatype, MPI_Aint * lb, MPI_Aint * extent)
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{
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MPI_Count lb_x, extent_x;
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MPIR_Type_get_extent_x_impl(datatype, &lb_x, &extent_x);
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*lb = (lb_x > MPIR_AINT_MAX) ? MPI_UNDEFINED : (MPI_Aint) lb_x;
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*extent = (extent_x > MPIR_AINT_MAX) ? MPI_UNDEFINED : (MPI_Aint) extent_x;
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}
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#endif
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#undef FUNCNAME
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#define FUNCNAME MPI_Type_get_extent
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#undef FCNAME
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#define FCNAME MPL_QUOTE(FUNCNAME)
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/*@
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MPI_Type_get_extent - Get the lower bound and extent for a Datatype
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Input Parameters:
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. datatype - datatype to get information on (handle)
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Output Parameters:
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+ lb - lower bound of datatype (address integer)
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- extent - extent of datatype (address integer)
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.N SignalSafe
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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_ARG
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.N MPI_ERR_TYPE
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@*/
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int MPI_Type_get_extent(MPI_Datatype datatype, MPI_Aint * lb, MPI_Aint * extent)
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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_TYPE_GET_EXTENT);
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MPIR_ERRTEST_INITIALIZED_ORDIE();
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MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_TYPE_GET_EXTENT);
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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_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 (mpi_errno)
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goto fn_fail;
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MPIR_ERRTEST_ARGNULL(lb, "lb", mpi_errno);
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MPIR_ERRTEST_ARGNULL(extent, "extent", mpi_errno);
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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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MPIR_Type_get_extent_impl(datatype, lb, extent);
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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_TYPE_GET_EXTENT);
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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_type_get_extent", "**mpi_type_get_extent %D %p %p",
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datatype, lb, extent);
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}
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mpi_errno = MPIR_Err_return_comm(NULL, 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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