1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
3 * (C) 2001 by Argonne National Laboratory.
4 * See COPYRIGHT in top-level directory.
10 void addem(int *, int *, int *, MPI_Datatype *);
12 void addem(int *invec, int *inoutvec, int *len, MPI_Datatype * dtype)
15 for (i = 0; i < *len; i++)
16 inoutvec[i] += invec[i];
19 int main(int argc, char **argv)
28 MTest_Init(&argc, &argv);
29 MPI_Comm_rank(MPI_COMM_WORLD, &rank);
30 MPI_Comm_size(MPI_COMM_WORLD, &size);
33 MPI_Op_create((MPI_User_function *) addem, 1, &op);
34 MPI_Reduce(&data, &result, 1, MPI_INT, op, 0, MPI_COMM_WORLD);
35 MPI_Bcast(&result, 1, MPI_INT, 0, MPI_COMM_WORLD);
38 for (i = 0; i < size; i++)
40 if (result != correct_result)
43 MTest_Finalize(errors);
45 return MTestReturnValue(errors);