7   Mat         C, B;  in main()  local
19   PetscCall(MatCreate(PETSC_COMM_WORLD, &C));  in main()
20   PetscCall(MatSetSizes(C, PETSC_DECIDE, PETSC_DECIDE, m * n, m * n));  in main()
21   PetscCall(MatSetFromOptions(C));  in main()
22   PetscCall(MatSetUp(C));  in main()
23 …PetscCall(MatDuplicate(C, MAT_DO_NOT_COPY_VALUES, &B)); /* test that SeqAIJ non-preallocated matri…  in main()
24   PetscCall(MatDestroy(&C));  in main()
25   C = B;  in main()
32         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
36         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
40         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
44         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
47       PetscCall(MatSetValues(C, 1, &Ii, 1, &Ii, &v, INSERT_VALUES));  in main()
50   PetscCall(MatAssemblyBegin(C, MAT_FINAL_ASSEMBLY));  in main()
51   PetscCall(MatAssemblyEnd(C, MAT_FINAL_ASSEMBLY));  in main()
58         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
62         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
66         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
70         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
73       PetscCall(MatSetValues(C, 1, &Ii, 1, &Ii, &v, INSERT_VALUES));  in main()
76   PetscCall(MatAssemblyBegin(C, MAT_FINAL_ASSEMBLY));  in main()
77   PetscCall(MatAssemblyEnd(C, MAT_FINAL_ASSEMBLY));  in main()
79   PetscCall(MatView(C, PETSC_VIEWER_STDOUT_WORLD));  in main()
81   PetscCall(MatDestroy(&C));  in main()