main
test-branch
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| 1 | #include<mpi.h>
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| 2 | #include<assert.h>
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| 3 |
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| 4 | int myrank;
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| 5 |
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| 6 | int main() {
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| 7 | int argc;
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| 8 | char **argv;
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| 9 | double buf = 0.0;
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| 10 |
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| 11 | MPI_Init(&argc, &argv);
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| 12 | MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
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| 13 | if(myrank == 0) {
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| 14 | buf = 1.0;
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| 15 | MPI_Send(&buf, 1, MPI_DOUBLE, 1, 0, MPI_COMM_WORLD);
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| 16 | } else {
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| 17 | MPI_Recv(&buf, 1, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
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| 18 | }
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| 19 | assert(buf == 1.0);
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| 20 | MPI_Finalize();
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| 21 | }
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