23   Mat               A, Ad, F, Fd, X, Xd, B;  in main()  local
68     PetscCall(MatGetFactor(Ad, MATSOLVERPETSC, i == 0 ? MAT_FACTOR_LU : MAT_FACTOR_CHOLESKY, &Fd));  in main()
75       PetscCall(MatLUFactorSymbolic(Fd, Ad, NULL, NULL, NULL));  in main()
76       PetscCall(MatLUFactorNumeric(Fd, Ad, NULL));  in main()
80       PetscCall(MatCholeskyFactorSymbolic(Fd, Ad, NULL, NULL));  in main()
81       PetscCall(MatCholeskyFactorNumeric(Fd, Ad, NULL));  in main()
84     PetscCall(MatMatSolve(Fd, B, Xd));  in main()
93       PetscCall(MatMatSolveTranspose(Fd, B, Xd));  in main()
103     PetscCall(MatSolve(Fd, b, xd));  in main()
110       PetscCall(MatSolveTranspose(Fd, b, xd));  in main()
119     PetscCall(MatDestroy(&Fd));  in main()