27   Vec       Y;  in Compare2()  local
31   PetscCall(VecDuplicate(X[0], &Y));  in Compare2()
32   PetscCall(VecCopy(X[0], Y));  in Compare2()
33   PetscCall(VecAYPX(Y, -1.0, X[1]));  in Compare2()
34   PetscCall(VecNorm(Y, NORM_INFINITY, &norm));  in Compare2()
45     PetscCall(VecView(Y, PETSC_VIEWER_STDOUT_WORLD));  in Compare2()
47   PetscCall(VecDestroy(&Y));  in Compare2()
51 static PetscErrorCode CheckMatrices(Mat A, Mat B, Vec left, Vec right, Vec X, Vec Y, Vec X1, Vec Y1)  in CheckMatrices()  argument
67   PetscCall(MatMultTranspose(A, Y, rtmp[0]));  in CheckMatrices()
68   PetscCall(MatMultTranspose(B, Y, rtmp[1]));  in CheckMatrices()
83   PetscCall(MatMultTransposeAdd(A, Y, rtmp[0], rtmp[0]));  in CheckMatrices()
84   PetscCall(MatMultTransposeAdd(B, Y, rtmp[1], rtmp[1]));  in CheckMatrices()
87   PetscCall(MatMultTransposeAdd(A, Y, X1, rtmp[0]));  in CheckMatrices()
88   PetscCall(MatMultTransposeAdd(B, Y, X1, rtmp[1]));  in CheckMatrices()
100   Vec       left, right, X, Y, X1, Y1;  in main()  local
129   PetscCall(VecDuplicate(left, &Y));  in main()
137     PetscCall(VecSetRandom(Y, NULL));  in main()
144     PetscCall(VecSet(Y, 4.0));  in main()
148   PetscCall(CheckMatrices(Asub, Bsub, left, right, X, Y, X1, Y1));  in main()
158   PetscCall(VecDestroy(&Y));  in main()