1 static char help[] = "Tests the creation of a PC context.\n\n";
2
3 #include <petscpc.h>
4
main(int argc,char ** args)5 int main(int argc, char **args)
6 {
7 PC pc;
8 PetscInt n = 5;
9 Mat mat;
10
11 PetscFunctionBeginUser;
12 PetscCall(PetscInitialize(&argc, &args, NULL, help));
13 PetscCall(PCCreate(PETSC_COMM_WORLD, &pc));
14 PetscCall(PCSetType(pc, PCNONE));
15
16 /* Vector and matrix must be set before calling PCSetUp */
17 PetscCall(MatCreateSeqAIJ(PETSC_COMM_SELF, n, n, 3, NULL, &mat));
18 PetscCall(MatAssemblyBegin(mat, MAT_FINAL_ASSEMBLY));
19 PetscCall(MatAssemblyEnd(mat, MAT_FINAL_ASSEMBLY));
20 PetscCall(PCSetOperators(pc, mat, mat));
21 PetscCall(PCSetUp(pc));
22 PetscCall(MatDestroy(&mat));
23 PetscCall(PCDestroy(&pc));
24 PetscCall(PetscFinalize());
25 return 0;
26 }
27
28 /*TEST
29
30 test:
31 output_file: output/empty.out
32
33 TEST*/
34