main
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Last change
on this file was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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-
Property mode
set to
100644
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File size:
630 bytes
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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 nprocs;
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| 5 | int myrank;
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| 6 |
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| 7 |
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| 8 | void main() {
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| 9 | int argc;
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| 10 | char **argv;
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| 11 | double buf[3];
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| 12 | MPI_Status status;
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| 13 | int count;
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| 14 |
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| 15 | MPI_Init(&argc, &argv);
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| 16 | MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
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| 17 | if(myrank == 0) {
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| 18 | buf[0] = 1.0;
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| 19 | buf[1] = 1.1;
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| 20 | MPI_Send(&buf[0], 2, MPI_DOUBLE, 1, 0, MPI_COMM_WORLD);
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| 21 | } else {
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| 22 | buf[0] = 0.0;
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| 23 | buf[1] = 0.0;
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| 24 | buf[2] = 0.0;
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| 25 | MPI_Recv(&buf[0], 3, MPI_DOUBLE, 0, 0, MPI_COMM_WORLD, &status);
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| 26 | MPI_Get_count(&status, MPI_DOUBLE, &count);
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| 27 | assert(count == 2);
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| 28 | assert(buf[0] == 1.0 && buf[1] == 1.1 && buf[2] == 0.0);
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| 29 | }
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| 30 | MPI_Finalize();
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| 31 | }
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