7   Mat                C;  in main()  local
17   PetscCall(MatCreate(PETSC_COMM_WORLD, &C));  in main()
18   PetscCall(MatSetSizes(C, PETSC_DECIDE, PETSC_DECIDE, m * n, m * n));  in main()
19   PetscCall(MatSetFromOptions(C));  in main()
20   PetscCall(MatSetUp(C));  in main()
27         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
31         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
35         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
39         PetscCall(MatSetValues(C, 1, &Ii, 1, &J, &v, INSERT_VALUES));  in main()
42       PetscCall(MatSetValues(C, 1, &Ii, 1, &Ii, &v, INSERT_VALUES));  in main()
45   PetscCall(MatAssemblyBegin(C, MAT_FINAL_ASSEMBLY));  in main()
46   PetscCall(MatAssemblyEnd(C, MAT_FINAL_ASSEMBLY));  in main()
47   PetscCall(MatView(C, PETSC_VIEWER_STDOUT_WORLD));  in main()
50   PetscCall(MatGetOwnershipRange(C, &rstart, &rend));  in main()
52     PetscCall(MatGetRow(C, i, &nz, &idx, &values));  in main()
57     PetscCall(MatRestoreRow(C, i, &nz, &idx, &values));  in main()
60   PetscCall(MatDestroy(&C));  in main()