Example Program Data for nag_quad_1d_ex05
   21             
   0.00   4.0000
   0.04   3.9936
   0.08   3.9746
   0.12   3.9432
   0.22   3.8153
   0.26   3.7467
   0.30   3.6697
   0.38   3.4943
   0.39   3.4719
   0.42   3.4002
   0.45   3.3264
   0.46   3.3014
   0.60   2.9412
   0.68   2.7352
   0.72   2.6344
   0.73   2.6094
   0.83   2.3684
   0.85   2.3222
   0.88   2.2543
   0.90   2.2099
   1.00   2.0000