s09ab Example Program Results

      x           y        ifail

   -5.000e-001  2.094e+000      0
    1.000e-001  1.471e+000      0
    9.000e-001  4.510e-001      0
    2.000e+000  0.000e+000      1
   -1.500e+000  0.000e+000      1