7   Mat         mat, submat, submat1, *submatrices;  in main()  local
41     submat = *submatrices;  in main()
47     PetscCall(MatView(submat, sviewer));  in main()
54     PetscCall(PetscObjectReference((PetscObject)submat));  in main()
56     PetscCall(MatDestroy(&submat));  in main()
63   submat = *submatrices;  in main()
71   PetscCall(MatView(submat, sviewer));  in main()
73   PetscCall(PetscObjectReference((PetscObject)submat));  in main()
75   PetscCall(MatDestroy(&submat));  in main()
82   submat = *submatrices;  in main()
86   PetscCall(MatView(submat, sviewer));  in main()
90   PetscCall(MatDuplicate(submat, MAT_COPY_VALUES, &submat1));  in main()
100   PetscCall(PetscObjectReference((PetscObject)submat));  in main()
102   PetscCall(MatDestroy(&submat));  in main()