14   PetscInt  nlevels;                         /* Number of levels in mesh hierarchy */  member
25   options->nlevels       = 1;  in ProcessOptions()
39 …els", "Number of levels in the hierarchy", "ex3.cxx", options->nlevels, &options->nlevels, NULL, 0…  in ProcessOptions()
96   PetscCall(PetscMalloc(sizeof(DM) * (user.nlevels + 1), &dmhierarchy));  in main()
97   for (i = 0; i <= user.nlevels; i++) dmhierarchy[i] = NULL;  in main()
104   if (user.nlevels) {  in main()
105     PetscCall(PetscMalloc1(user.nlevels, &degrees));  in main()
106     for (i = 0; i < user.nlevels; i++) degrees[i] = user.degree;  in main()
107 …scPrintf(comm, "Generate the MOAB mesh hierarchy with %" PetscInt_FMT " levels.\n", user.nlevels));  in main()
108     PetscCall(DMMoabGenerateHierarchy(user.dm, user.nlevels, degrees));  in main()
111     if (usehierarchy) PetscCall(DMRefineHierarchy(user.dm, user.nlevels, &dmhierarchy[1]));  in main()
117       for (i = 1; i <= user.nlevels; i++) {  in main()
135     PetscCall(DMMoabOutput(dmhierarchy[user.nlevels], (const char *)user.output_file, ""));  in main()
138   for (i = 0; i <= user.nlevels; i++) PetscCall(DMDestroy(&dmhierarchy[i]));  in main()