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)