157f21012SBarry Smith static char help[] = "Tests PetscCommGetComm().\n";
257f21012SBarry Smith
357f21012SBarry Smith #include <petscsys.h>
457f21012SBarry Smith
main(int argc,char ** argv)5d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv)
6d71ae5a4SJacob Faibussowitsch {
757f21012SBarry Smith MPI_Comm comms[10], comm;
857f21012SBarry Smith PetscInt i;
957f21012SBarry Smith PetscRandom rand;
1057f21012SBarry Smith
11327415f7SBarry Smith PetscFunctionBeginUser;
12*c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &argv, NULL, help));
139566063dSJacob Faibussowitsch PetscCall(PetscRandomCreate(PETSC_COMM_WORLD, &rand));
149566063dSJacob Faibussowitsch PetscCall(PetscObjectGetComm((PetscObject)rand, &comm));
1548a46eb9SPierre Jolivet for (i = 0; i < 10; i++) PetscCall(PetscCommGetComm(comm, &comms[i]));
1648a46eb9SPierre Jolivet for (i = 0; i < 5; i++) PetscCall(PetscCommRestoreComm(comm, &comms[i]));
1748a46eb9SPierre Jolivet for (i = 0; i < 5; i++) PetscCall(PetscCommGetComm(comm, &comms[i]));
1848a46eb9SPierre Jolivet for (i = 0; i < 10; i++) PetscCall(PetscCommRestoreComm(comm, &comms[i]));
199566063dSJacob Faibussowitsch PetscCall(PetscRandomDestroy(&rand));
209566063dSJacob Faibussowitsch PetscCall(PetscFinalize());
21b122ec5aSJacob Faibussowitsch return 0;
2257f21012SBarry Smith }
2357f21012SBarry Smith
2457f21012SBarry Smith /*TEST
2557f21012SBarry Smith
2657f21012SBarry Smith test:
2757f21012SBarry Smith requires: defined(PETSC_USE_LOG)
2857f21012SBarry Smith args: -info
2957f21012SBarry Smith filter: grep Reusing | wc -l
3057f21012SBarry Smith
3157f21012SBarry Smith TEST*/
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