39   DM             forest, plex, NewDM;  in main()  local
60   PetscCall(DMConvert(forest, DMPLEX, &plex));  in main()
67   PetscCall(DMSetNumFields(plex, numFields));  in main()
71   PetscCall(DMPlexCreateSection(plex, NULL, numComp, numDof, 0, NULL, NULL, NULL, NULL, &section));  in main()
76   PetscCall(DMSetLocalSection(plex, section));  in main()
82     PetscCall(DMSetField(plex, i, NULL, (PetscObject)fe));  in main()
87   PetscCall(DMCreateDS(plex));  in main()
91   PetscCall(CloneDMWithNewSection(plex, &NewDM, 1));  in main()
103   PetscCall(DMCreateGlobalVector(plex, &g_vec));  in main()
105   PetscCall(DMCreateLocalVector(plex, &l_vec));  in main()
106   PetscCall(DMGlobalToLocal(plex, g_vec, INSERT_VALUES, l_vec));  in main()
112   PetscCall(DMDestroy(&plex));  in main()