/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */

/*

 *

 *  (C) 2001 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include <stdio.h>

#include "mpi.h"

#include "mpiimpl.h"

int main(int argc, char *argv[])

{

    MPID_Group group, *group_ptr = &group;

    int i;

    MPI_Init(&argc, &argv);

    /* Setup a sample group */

    group.handle = 1;

    group.ref_count = 1;

    group.size = 4;

    group.rank = 0;

    group.idx_of_first_lpid = -1;

    group.lrank_to_lpid = (MPID_Group_pmap_t *)

        MPIU_Malloc(group.size * sizeof(MPID_Group_pmap_t));

    for (i = 0; i < group.size; i++) {

        group.lrank_to_lpid[i].lrank = i;

        group.lrank_to_lpid[i].lpid = group.size - i - 1;

        group.lrank_to_lpid[i].next_lpid = -1;

        group.lrank_to_lpid[i].flag = 0;

    }

    /* Set up the group lpid list */

    MPIR_Group_setup_lpid_list(group_ptr);

    /* Print the group structure */

    printf("Index of first lpid = %d\n", group.idx_of_first_lpid);

    for (i = 0; i < group.size; i++) {

        printf("lrank_to_lpid[%d].next_lpid = %d, .lpid = %d\n",

               i, group.lrank_to_lpid[i].next_lpid, group.lrank_to_lpid[i].lpid);

    }

    MPI_Finalize();

    return 0;

}