nag_struve_h0 (s17gac) Example Program Results
     x        Struve H0(x)
   5.000e-01   3.096e-01
  -1.000e+00  -5.687e-01
   3.000e+00   5.743e-01
  -6.000e+00   1.846e-01
   8.000e+00   3.020e-01
  -1.000e+01  -1.187e-01
   1.000e+03   5.353e-03