Actual source code: ex52.c
2: static char help[] = "Tests periodic boundary conditions for DMDA1d with periodic boundary conditions.\n\n";
4: #include <petscdmda.h>
6: int main(int argc, char **argv)
7: {
8: DM da;
9: Mat A;
10: const PetscInt dfill[4] = {0, 1, 0, 1}, ofill[4] = {0, 1, 1, 0};
12: PetscFunctionBeginUser;
13: PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
14: PetscCall(DMDACreate1d(PETSC_COMM_WORLD, DM_BOUNDARY_PERIODIC, 7, 2, 1, NULL, &da));
15: PetscCall(DMSetFromOptions(da));
16: PetscCall(DMDASetBlockFills(da, dfill, ofill));
17: PetscCall(DMSetUp(da));
18: PetscCall(DMCreateMatrix(da, &A));
19: PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD));
20: PetscCall(PetscViewerPushFormat(PETSC_VIEWER_STDOUT_WORLD, PETSC_VIEWER_ASCII_INFO));
21: PetscCall(MatView(A, PETSC_VIEWER_STDOUT_WORLD));
22: PetscCall(MatDestroy(&A));
23: PetscCall(DMDestroy(&da));
24: PetscCall(PetscFinalize());
25: return 0;
26: }
28: /*TEST
30: test:
32: test:
33: suffix: 2
34: nsize: 2
36: TEST*/