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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
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* (C) 2012 by Argonne National Laboratory.
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* See COPYRIGHT in top-level directory.
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* Test creating multiple communicators with MPI_Comm_idup.
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int main(int argc, char **argv)
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MPI_Comm comms[NUM_ITER];
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MPI_Request req[NUM_ITER];
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MPI_Init(&argc, &argv);
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MPI_Comm_rank(MPI_COMM_WORLD, &rank);
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for (i = 0; i < NUM_ITER; i++)
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MPI_Comm_idup(MPI_COMM_WORLD, &comms[i], &req[i]);
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MPI_Waitall(NUM_ITER, req, MPI_STATUSES_IGNORE);
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for (i = 0; i < NUM_ITER; i++)
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MPI_Comm_free(&comms[i]);
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printf(" No Errors\n");