nag_bessel_k_nu (s18efc) Example Program Results
  x      nu        y
 3.9     -3   1.3315e-02
 1.4     -2   2.6121e-01
 8.2     -1   1.1892e-04
 6.7      1   5.8826e-04
 0.5      2   1.0750e+00
 2.3      3   8.7724e-02