17   PetscInt     size = 8, size1 = 6, size2 = 2, i, j;  in main()  local
27   PetscCall(PetscMalloc1(size * size, &a));  in main()
28   PetscCall(PetscMalloc1(size * size, &b));  in main()
29   for (i = 0; i < size; i++) {  in main()
30     for (j = 0; j < size; j++) {  in main()
31       PetscCall(PetscRandomGetValue(rnd, &a[i + j * size]));  in main()
32       b[i + j * size] = a[i + j * size];  in main()
36   PetscCall(MatSetSizes(A, size, size, size, size));  in main()
42   PetscCall(PetscMalloc1(size, &x));  in main()
43   for (i = 0; i < size; i++) x[i] = one;  in main()
44   PetscCall(VecCreateSeqWithArray(PETSC_COMM_SELF, 1, size, x, &X));  in main()
48   PetscCall(PetscMalloc1(size, &y));  in main()
49   PetscCall(VecCreateSeqWithArray(PETSC_COMM_SELF, 1, size, y, &Y));  in main()
53   PetscCall(PetscMalloc1(size, &z));  in main()
54   PetscCall(VecCreateSeqWithArray(PETSC_COMM_SELF, 1, size, z, &Z));  in main()
65   PetscCall(MatDenseSetLDA(A11, size));  in main()
72   PetscCall(MatSeqDenseSetPreallocation(A12, b + size1 * size));  in main()
73   PetscCall(MatDenseSetLDA(A12, size));  in main()
81   PetscCall(MatDenseSetLDA(A21, size));  in main()
88   PetscCall(MatSeqDenseSetPreallocation(A22, b + size1 * size + size1));  in main()
89   PetscCall(MatDenseSetLDA(A22, size));  in main()
116   j = size - 2;  in main()