nag_gamma (s14aac) Example Program Results
     x           y
   1.000e+00   1.000e+00
   1.250e+00   9.064e-01
   1.500e+00   8.862e-01
   1.750e+00   9.191e-01
   2.000e+00   1.000e+00
   5.000e+00   2.400e+01
   1.000e+01   3.629e+05
  -1.500e+00   2.363e+00