17     Mat               A_vcl;  in main()  local
22     PetscCall(MatCreateSeqAIJViennaCL(PETSC_COMM_SELF, m, n, nz, NULL, &A_vcl));  in main()
28         PetscCall(MatSetValue(A_vcl, i, j, (PetscScalar)(0.3 * i + j), INSERT_VALUES));  in main()
31     PetscCall(MatAssemblyBegin(A_vcl, MAT_FINAL_ASSEMBLY));  in main()
32     PetscCall(MatAssemblyEnd(A_vcl, MAT_FINAL_ASSEMBLY));  in main()
38     PetscCall(MatMult(A_vcl, v_vcl, r_vcl));  in main()
42     PetscCall(MatDestroy(&A_vcl));  in main()
47     Mat               A, A_vcl;  in main()  local
74     PetscCall(MatConvert(A, MATSEQAIJVIENNACL, MAT_INITIAL_MATRIX, &A_vcl));  in main()
75     PetscCall(PetscObjectSetName((PetscObject)A_vcl, "New ViennaCL Matrix"));  in main()
81     PetscCall(MatMult(A_vcl, v_vcl, r_vcl));  in main()
95     PetscCall(MatDestroy(&A_vcl));  in main()
152     Mat               A, A_vcl;  in main()  local
179     PetscCall(MatConvert(A, MATMPIAIJVIENNACL, MAT_INITIAL_MATRIX, &A_vcl));  in main()
180     PetscCall(PetscObjectSetName((PetscObject)A_vcl, "New MPI ViennaCL Matrix"));  in main()
182     PetscCall(MatCreateVecs(A_vcl, &v_vcl, &r_vcl));  in main()
185     PetscCall(MatMult(A_vcl, v_vcl, r_vcl));  in main()
199     PetscCall(MatDestroy(&A_vcl));  in main()