nag_kelvin_ber (s19aac) Example Program Results
     x           y
   1.000e-01   1.000e-00
   1.000e+00   9.844e-01
   2.500e+00   4.000e-01
   5.000e+00  -6.230e+00
   1.000e+01   1.388e+02
   1.500e+01  -2.967e+03
  -1.000e+00   9.844e-01