nag_bessel_i_alpha (s18ejc) Example Program Results
  x     a      nl
 0.5   0.0      3

 Requested values of I_alpha(X)

     alpha              I_alpha(X)
   0.0000e+00   (   1.0635e+00,    0.0000e+00)
   1.0000e+00   (   2.5789e-01,    0.0000e+00)
   2.0000e+00   (   3.1906e-02,    0.0000e+00)
   3.0000e+00   (   2.6451e-03,    0.0000e+00)