/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2009 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
#include "mpiimpl.h"
/* -- Begin Profiling Symbol Block for routine MPI_Dist_graph_neighbors_count */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Dist_graph_neighbors_count = PMPI_Dist_graph_neighbors_count
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Dist_graph_neighbors_count MPI_Dist_graph_neighbors_count
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Dist_graph_neighbors_count as PMPI_Dist_graph_neighbors_count
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Dist_graph_neighbors_count(MPI_Comm comm, int *indegree, int *outdegree, int *weighted)
__attribute__ ((weak, alias("PMPI_Dist_graph_neighbors_count")));
#endif
/* -- End Profiling Symbol Block */
/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
the MPI routines */
#ifndef MPICH_MPI_FROM_PMPI
#undef MPI_Dist_graph_neighbors_count
#define MPI_Dist_graph_neighbors_count PMPI_Dist_graph_neighbors_count
/* any utility functions should go here, usually prefixed with PMPI_LOCAL to
* correctly handle weak symbols and the profiling interface */
#undef FUNCNAME
#define FUNCNAME MPIR_Dist_graph_neighbors_count_impl
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
int MPIR_Dist_graph_neighbors_count_impl(MPIR_Comm * comm_ptr, int *indegree, int *outdegree,
int *weighted)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Topology *topo_ptr = NULL;
topo_ptr = MPIR_Topology_get(comm_ptr);
MPIR_ERR_CHKANDJUMP(!topo_ptr ||
topo_ptr->kind != MPI_DIST_GRAPH, mpi_errno, MPI_ERR_TOPOLOGY,
"**notdistgraphtopo");
*indegree = topo_ptr->topo.dist_graph.indegree;
*outdegree = topo_ptr->topo.dist_graph.outdegree;
*weighted = topo_ptr->topo.dist_graph.is_weighted;
fn_exit:
return mpi_errno;
fn_fail:
goto fn_exit;
}
#endif
#undef FUNCNAME
#define FUNCNAME MPI_Dist_graph_neighbors_count
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
/*@
MPI_Dist_graph_neighbors_count - Provides adjacency information for a distributed graph topology.
Input Parameters:
. comm - communicator with distributed graph topology (handle)
Output Parameters:
+ indegree - number of edges into this process (non-negative integer)
. outdegree - number of edges out of this process (non-negative integer)
- weighted - false if MPI_UNWEIGHTED was supplied during creation, true otherwise (logical)
.N ThreadSafe
.N Fortran
.N Errors
.N MPI_SUCCESS
@*/
int MPI_Dist_graph_neighbors_count(MPI_Comm comm, int *indegree, int *outdegree, int *weighted)
{
int mpi_errno = MPI_SUCCESS;
MPIR_Comm *comm_ptr = NULL;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_DIST_GRAPH_NEIGHBORS_COUNT);
MPIR_ERRTEST_INITIALIZED_ORDIE();
/* FIXME: Why does this routine require a CS? */
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_DIST_GRAPH_NEIGHBORS_COUNT);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_COMM(comm, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif
/* Convert MPI object handles to object pointers */
MPIR_Comm_get_ptr(comm, comm_ptr);
/* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_Comm_valid_ptr(comm_ptr, mpi_errno, TRUE);
if (mpi_errno != MPI_SUCCESS)
goto fn_fail;
MPIR_ERRTEST_ARGNULL(indegree, "indegree", mpi_errno);
MPIR_ERRTEST_ARGNULL(outdegree, "outdegree", mpi_errno);
MPIR_ERRTEST_ARGNULL(weighted, "weighted", mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPIR_Dist_graph_neighbors_count_impl(comm_ptr, indegree, outdegree, weighted);
if (mpi_errno)
MPIR_ERR_POP(mpi_errno);
/* ... end of body of routine ... */
fn_exit:
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_DIST_GRAPH_NEIGHBORS_COUNT);
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
return mpi_errno;
fn_fail:
/* --BEGIN ERROR HANDLING-- */
#ifdef HAVE_ERROR_CHECKING
{
mpi_errno =
MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_dist_graph_neighbors_count",
"**mpi_dist_graph_neighbors_count %C %p %p %p", comm, indegree,
outdegree, weighted);
}
#endif
mpi_errno = MPIR_Err_return_comm(comm_ptr, FCNAME, mpi_errno);
goto fn_exit;
/* --END ERROR HANDLING-- */
}