71     PetscSF sfC;  in main()  local
73     PetscCall(PetscSFCompose(sfA0, sfB, &sfC));  in main()
74     PetscCall(PetscObjectSetName((PetscObject)sfC, "PetscSFCompose(sfA0, sfB)"));  in main()
75     PetscCall(PetscSFView(sfC, NULL));  in main()
76     PetscCall(PetscSFDestroy(&sfC));  in main()
80     PetscSF sfC;  in main()  local
82     PetscCall(PetscSFCompose(sfA1, sfB, &sfC));  in main()
83     PetscCall(PetscObjectSetName((PetscObject)sfC, "PetscSFCompose(sfA1, sfB)"));  in main()
84     PetscCall(PetscSFView(sfC, NULL));  in main()
85     PetscCall(PetscSFDestroy(&sfC));  in main()
89     PetscSF sfC;  in main()  local
91     PetscCall(PetscSFCompose(sfA2, sfB, &sfC));  in main()
92     PetscCall(PetscObjectSetName((PetscObject)sfC, "PetscSFCompose(sfA2, sfB)"));  in main()
93     PetscCall(PetscSFView(sfC, NULL));  in main()
94     PetscCall(PetscSFDestroy(&sfC));  in main()