15   PetscBool       flg = PETSC_FALSE, distribute = PETSC_FALSE;  in main()  local
29   flg = PETSC_FALSE;  in main()
30   PetscCall(PetscOptionsGetBool(NULL, NULL, "-star", &flg, NULL));  in main()
31   if (flg) stencil_type = DMDA_STENCIL_STAR;  in main()
32   flg = PETSC_FALSE;  in main()
33   PetscCall(PetscOptionsGetBool(NULL, NULL, "-box", &flg, NULL));  in main()
34   if (flg) stencil_type = DMDA_STENCIL_BOX;  in main()
36   flg = PETSC_FALSE;  in main()
37   PetscCall(PetscOptionsGetBool(NULL, NULL, "-xperiodic", &flg, NULL));  in main()
38   if (flg) bx = DM_BOUNDARY_PERIODIC;  in main()
39   flg = PETSC_FALSE;  in main()
40   PetscCall(PetscOptionsGetBool(NULL, NULL, "-xghosted", &flg, NULL));  in main()
41   if (flg) bx = DM_BOUNDARY_GHOSTED;  in main()
42   flg = PETSC_FALSE;  in main()
43   PetscCall(PetscOptionsGetBool(NULL, NULL, "-xnonghosted", &flg, NULL));  in main()
45   flg = PETSC_FALSE;  in main()
46   PetscCall(PetscOptionsGetBool(NULL, NULL, "-yperiodic", &flg, NULL));  in main()
47   if (flg) by = DM_BOUNDARY_PERIODIC;  in main()
48   flg = PETSC_FALSE;  in main()
49   PetscCall(PetscOptionsGetBool(NULL, NULL, "-yghosted", &flg, NULL));  in main()
50   if (flg) by = DM_BOUNDARY_GHOSTED;  in main()
51   flg = PETSC_FALSE;  in main()
52   PetscCall(PetscOptionsGetBool(NULL, NULL, "-ynonghosted", &flg, NULL));  in main()
54   flg = PETSC_FALSE;  in main()
55   PetscCall(PetscOptionsGetBool(NULL, NULL, "-zperiodic", &flg, NULL));  in main()
56   if (flg) bz = DM_BOUNDARY_PERIODIC;  in main()
57   flg = PETSC_FALSE;  in main()
58   PetscCall(PetscOptionsGetBool(NULL, NULL, "-zghosted", &flg, NULL));  in main()
59   if (flg) bz = DM_BOUNDARY_GHOSTED;  in main()
60   flg = PETSC_FALSE;  in main()
61   PetscCall(PetscOptionsGetBool(NULL, NULL, "-znonghosted", &flg, NULL));  in main()
65   flg = PETSC_FALSE;  in main()