1c4762a1bSJed Brown static char help[] = "Tests the creation of a PC context.\n\n"; 2c4762a1bSJed Brown 3c4762a1bSJed Brown #include <petscpc.h> 4c4762a1bSJed Brown 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*/ 34