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

/*

 *  (C) 2006 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include "mpi.h"

#include <stdio.h>

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

{

    int rank;

    double v1[2], v2[2];

    MPI_Init(&argc, &argv);

    MPI_Comm_rank(MPI_COMM_WORLD, &rank;;

    /* Clearly incorrect program */

    MPI_Allreduce(v1, v2, rank ? 1 : 2, MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);

    MPI_Finalize();

    return 0;

}