14   DM                      packer;  in main()  local
29   PetscCall(DMCompositeCreate(PETSC_COMM_WORLD, &packer));  in main()
33   PetscCall(DMCompositeAddDM(packer, dmred1));  in main()
39   PetscCall(DMCompositeAddDM(packer, da1));  in main()
43   PetscCall(DMCompositeAddDM(packer, dmred2));  in main()
49   PetscCall(DMCompositeAddDM(packer, da2));  in main()
51   PetscCall(DMCreateGlobalVector(packer, &global));  in main()
58   PetscCall(DMCompositeScatter(packer, global, redundant1, local1, redundant2, local2));  in main()
85 …PetscCall(DMCompositeGather(packer, gather_add ? ADD_VALUES : INSERT_VALUES, global, redundant1, l…  in main()
89   PetscCall(DMCompositeGetISLocalToGlobalMappings(packer, &ltog));  in main()
112   PetscCall(DMDestroy(&packer));  in main()