11   Vec                xx, yy, s1, s2;  in main()  local
39   PetscCall(VecCreate(PETSC_COMM_WORLD, &xx));  in main()
40   PetscCall(VecSetSizes(xx, m, PETSC_DECIDE));  in main()
41   PetscCall(VecSetFromOptions(xx));  in main()
42   PetscCall(VecDuplicate(xx, &s1));  in main()
43   PetscCall(VecDuplicate(xx, &s2));  in main()
44   PetscCall(VecDuplicate(xx, &yy));  in main()
63     PetscCall(VecSetRandom(xx, rand));  in main()
64     PetscCall(MatMult(A, xx, s1));  in main()
65     PetscCall(MatMult(B, xx, s2));  in main()
73     PetscCall(VecSetRandom(xx, rand));  in main()
75     PetscCall(MatMultAdd(A, xx, yy, s1));  in main()
76     PetscCall(MatMultAdd(B, xx, yy, s2));  in main()
84     PetscCall(VecSetRandom(xx, rand));  in main()
85     PetscCall(MatMultTranspose(A, xx, s1));  in main()
86     PetscCall(MatMultTranspose(B, xx, s2));  in main()
94     PetscCall(VecSetRandom(xx, rand));  in main()
96     PetscCall(MatMultTransposeAdd(A, xx, yy, s1));  in main()
97     PetscCall(MatMultTransposeAdd(B, xx, yy, s2));  in main()
151     PetscCall(VecSetRandom(xx, rand));  in main()
152     PetscCall(MatMult(A, xx, s1));  in main()
153     PetscCall(MatMult(C, xx, s2));  in main()
165     PetscCall(VecSetRandom(xx, rand));  in main()
166     PetscCall(MatMult(At, xx, s1));  in main()
167     PetscCall(MatMult(Bt, xx, s2));  in main()
178   PetscCall(VecDestroy(&xx));  in main()