nag_specfun_struve_l1 (s18gbc) Example Program Results x Struve L1(x) 5.000e-01 5.394e-02 -1.000e+00 2.268e-01 3.000e+00 3.397e+00 -6.000e+00 6.073e+01 8.000e+00 3.992e+02 -1.000e+01 2.670e+03