7   Mat         C, A;  in main()  local
20   PetscCall(MatCreate(PETSC_COMM_WORLD, &C));  in main()
21   PetscCall(MatSetSizes(C, PETSC_DECIDE, PETSC_DECIDE, n, n));  in main()
22   PetscCall(MatSetType(C, MATAIJ));  in main()
23   PetscCall(MatSetFromOptions(C));  in main()
24   PetscCall(PetscObjectSetName((PetscObject)C, "initial"));  in main()
26   PetscCall(MatGetType(C, &type));  in main()
28     PetscCall(PetscObjectTypeCompare((PetscObject)C, MATSEQAIJ, &isAIJ));  in main()
30     PetscCall(PetscObjectTypeCompare((PetscObject)C, MATMPIAIJ, &isAIJ));  in main()
32   PetscCall(MatSeqAIJSetPreallocation(C, 3, NULL));  in main()
33   PetscCall(MatMPIAIJSetPreallocation(C, 3, NULL, 3, NULL));  in main()
34   PetscCall(MatSeqBAIJSetPreallocation(C, bs, 3, NULL));  in main()
35   PetscCall(MatMPIBAIJSetPreallocation(C, bs, 3, NULL, 3, NULL));  in main()
36   PetscCall(MatSeqSBAIJSetPreallocation(C, bs, 3, NULL));  in main()
37   PetscCall(MatMPISBAIJSetPreallocation(C, bs, 3, NULL, 3, NULL));  in main()
46     PetscCall(MatSetValues(C, 1, &i, 3, midx, v, INSERT_VALUES));  in main()
53   PetscCall(MatSetValues(C, 1, &i, 2, midx, v, INSERT_VALUES));  in main()
59   PetscCall(MatSetValues(C, 1, &i, 2, midx, v, INSERT_VALUES));  in main()
61   PetscCall(MatAssemblyBegin(C, MAT_FINAL_ASSEMBLY));  in main()
62   PetscCall(MatAssemblyEnd(C, MAT_FINAL_ASSEMBLY));  in main()
63   PetscCall(MatView(C, NULL));  in main()
64   PetscCall(MatViewFromOptions(C, NULL, "-view"));  in main()
67   PetscCall(MatDuplicate(C, MAT_COPY_VALUES, &A));  in main()
70   PetscCall(MatEqual(A, C, &flg));  in main()
82   PetscCall(MatCopy(C, A, DIFFERENT_NONZERO_PATTERN));  in main()
85   PetscCall(MatEqual(A, C, &flg));  in main()
90   PetscCall(MatDuplicate(C, MAT_DO_NOT_COPY_VALUES, &A));  in main()
91   PetscCall(MatCopy(C, A, SAME_NONZERO_PATTERN));  in main()
94   PetscCall(MatEqual(A, C, &flg));  in main()
98   PetscCall(MatCopy(C, A, SUBSET_NONZERO_PATTERN));  in main()
101   PetscCall(MatEqual(A, C, &flg));  in main()
106   PetscCall(MatHasCongruentLayouts(C, &flg));  in main()
111     PetscCall(MatGetType(C, &Ctype));  in main()
112     PetscCall(MatTranspose(C, MAT_INITIAL_MATRIX, &Cs));  in main()
113     PetscCall(MatAXPY(Cs, 1.0, C, DIFFERENT_NONZERO_PATTERN));  in main()
163   PetscCall(MatDestroy(&C));  in main()