nag_specfun_ellipint_symm_1 (s21bbc) Example Program Results
     x      y      z       nag_specfun_ellipint_symm_1
   0.50   1.00   1.50      1.0281
   1.00   1.50   2.00      0.8260
   1.50   2.00   2.50      0.7116