1c4762a1bSJed Brown static char help[] = "Tests the creation of a PC context.\n\n";
2c4762a1bSJed Brown
3c4762a1bSJed Brown #include <petscpc.h>
4c4762a1bSJed Brown
main(int argc,char ** args)5d71ae5a4SJacob Faibussowitsch int main(int argc, char **args)
6d71ae5a4SJacob Faibussowitsch {
7c4762a1bSJed Brown PC pc;
8c4762a1bSJed Brown PetscInt n = 5;
9c4762a1bSJed Brown Mat mat;
10c4762a1bSJed Brown
11327415f7SBarry Smith PetscFunctionBeginUser;
12c8025a54SPierre Jolivet PetscCall(PetscInitialize(&argc, &args, NULL, help));
139566063dSJacob Faibussowitsch PetscCall(PCCreate(PETSC_COMM_WORLD, &pc));
149566063dSJacob Faibussowitsch PetscCall(PCSetType(pc, PCNONE));
15c4762a1bSJed Brown
16c4762a1bSJed Brown /* Vector and matrix must be set before calling PCSetUp */
179566063dSJacob Faibussowitsch PetscCall(MatCreateSeqAIJ(PETSC_COMM_SELF, n, n, 3, NULL, &mat));
189566063dSJacob Faibussowitsch PetscCall(MatAssemblyBegin(mat, MAT_FINAL_ASSEMBLY));
199566063dSJacob Faibussowitsch PetscCall(MatAssemblyEnd(mat, MAT_FINAL_ASSEMBLY));
209566063dSJacob Faibussowitsch PetscCall(PCSetOperators(pc, mat, mat));
219566063dSJacob Faibussowitsch PetscCall(PCSetUp(pc));
229566063dSJacob Faibussowitsch PetscCall(MatDestroy(&mat));
239566063dSJacob Faibussowitsch PetscCall(PCDestroy(&pc));
249566063dSJacob Faibussowitsch PetscCall(PetscFinalize());
25b122ec5aSJacob Faibussowitsch return 0;
26c4762a1bSJed Brown }
27c4762a1bSJed Brown
28c4762a1bSJed Brown /*TEST
29c4762a1bSJed Brown
30c4762a1bSJed Brown test:
31*3886731fSPierre Jolivet output_file: output/empty.out
32c4762a1bSJed Brown
33c4762a1bSJed Brown TEST*/
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