/* -*- 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 "mpitest.h"

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

{

    int a[10], b[10], i;

    MPI_Status status;

    MPI_Request request;

    int rank, count;

    int errs = 0;

    MTest_Init(0, 0);

    MPI_Comm_rank(MPI_COMM_WORLD, &rank;;

    for (i = 0; i < 10; i++)

        a[i] = i + 1;

    status.MPI_ERROR = 0;

    MPI_Isend(a, 0, MPI_INT, rank, 0, MPI_COMM_WORLD, &request);

    MPI_Recv(b, 1, MPI_INT, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);

    MPI_Get_count(&status, MPI_INT, &count);

    if (status.MPI_SOURCE != rank || status.MPI_TAG != 0 || status.MPI_ERROR != 0 || count != 0) {

        errs++;

        printf("1 status = %d %d %d %d\n", status.MPI_SOURCE, status.MPI_TAG,

               status.MPI_ERROR, count);

    }

    /* printf("b[0] = %d\n", b[0]); */

    MPI_Wait(&request, &status);

    MPI_Isend(NULL, 0, MPI_INT, rank, 0, MPI_COMM_WORLD, &request);

    MPI_Recv(NULL, 0, MPI_INT, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);

    MPI_Get_count(&status, MPI_INT, &count);

    if (status.MPI_SOURCE != rank || status.MPI_TAG != 0 || status.MPI_ERROR != 0 || count != 0) {

        errs++;

        printf("2 status = %d %d %d %d\n", status.MPI_SOURCE, status.MPI_TAG,

               status.MPI_ERROR, count);

    }

    MPI_Wait(&request, &status);

    MTest_Finalize(errs);

    MPI_Finalize();

    return 0;

}