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

/*

 *

 *  (C) 2003 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include "mpi.h"

#include <stdio.h>

#include "mpitest.h"

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

{

    int errs = 0;

    int topo_type, size, dims[1], periods[1];

    MPI_Comm comm;

    MTest_Init(&argc, &argv);

    /* Check that topo test returns the correct type, including

     * MPI_UNDEFINED */

    MPI_Topo_test(MPI_COMM_WORLD, &topo_type);

    if (topo_type != MPI_UNDEFINED) {

        errs++;

        printf("Topo type of comm world is not UNDEFINED\n");

    }

    MPI_Comm_size(MPI_COMM_WORLD, &size);

    dims[0] = size;

    periods[0] = 0;

    MPI_Cart_create(MPI_COMM_WORLD, 1, dims, periods, 0, &comm);

    MPI_Topo_test(comm, &topo_type);

    if (topo_type != MPI_CART) {

        errs++;

        printf("Topo type of cart comm is not CART\n");

    }

    MPI_Comm_free(&comm);

    /* FIXME: still need graph example */

    MTest_Finalize(errs);

    return MTestReturnValue(errs);

}