main
test-branch
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| [a9a9973] | 1 | #include<mpi.h>
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| 2 | #include<assert.h>
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| 3 |
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| 4 | int nprocs;
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| 5 | int myrank;
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| 6 |
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| 7 | void main() {
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| 8 | int argc;
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| 9 | char **argv;
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| 10 | double x;
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| 11 | MPI_Status status;
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| 12 |
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| 13 | MPI_Init(&argc, &argv);
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| 14 | MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
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| 15 | if (myrank == 0) {
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| 16 | MPI_Recv(&x, 1, MPI_DOUBLE, MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &status);
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| 17 | assert(x == (double)(status.MPI_SOURCE));
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| 18 | assert(status.MPI_TAG == 10+status.MPI_SOURCE);
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| 19 | } else {
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| 20 | x = (double)myrank;
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| 21 | MPI_Send(&x, 1, MPI_DOUBLE, 0, myrank+10, MPI_COMM_WORLD);
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| 22 | }
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| 23 | MPI_Finalize();
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| 24 | }
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