62   DM                   dm_mesh, dm_swarm;  in main()  local
171     PetscCall(DMPlexCreateFromFile(comm, filename, NULL, PETSC_TRUE, &dm_mesh));  in main()
173     PetscCall(DMCreate(comm, &dm_mesh));  in main()
174     PetscCall(DMSetType(dm_mesh, DMPLEX));  in main()
175     PetscCall(DMSetFromOptions(dm_mesh));  in main()
181       PetscCall(DMPlexIsSimplex(dm_mesh, &is_simplex));  in main()
185   PetscCall(DMSetVecType(dm_mesh, vec_type));  in main()
186   PetscCall(DMSetFromOptions(dm_mesh));  in main()
188   PetscCall(DMGetDimension(dm_mesh, &dim));  in main()
189 …PetscCall(SetupDMByDegree(dm_mesh, degree, q_extra, num_comp_u, dim, bp_options[bp_choice].enforce…  in main()
192   PetscCall(DMViewFromOptions(dm_mesh, NULL, "-dm_view"));  in main()
199   PetscCall(DMSwarmSetCellDM(dm_swarm, dm_mesh));  in main()
206     PetscCall(DMPlexGetHeightStratum(dm_mesh, 0, &c_start, &c_end));  in main()
221   PetscCall(DMCreateGlobalVector(dm_mesh, &X));  in main()
224   PetscCall(DMCreateLocalVector(dm_mesh, &X_loc));  in main()
232   PetscCall(MatSetDM(mat_O, dm_mesh));  in main()
247     PetscCall(DMPlexGetHeightStratum(dm_mesh, 0, &c_start, &c_end));  in main()
250     PetscCall(DMPlexGetCellType(dm_mesh, c_start, &cell_type));  in main()
293 …PetscCall(SetupErrorOperator(dm_mesh, ceed, bp_options[bp_choice], dim, dim, num_comp_u, &op_error…  in main()
296   PetscCall(SetupApplyOperatorCtx(comm, dm_mesh, ceed, ceed_data, X_loc, op_apply_ctx));  in main()
397 …   PetscCall(SetupErrorOperatorCtx(comm, dm_mesh, ceed, ceed_data, X_loc, op_error, op_error_ctx));  in main()
436   PetscCall(DMDestroy(&dm_mesh));  in main()