nag_elliptic_integral_rj (s21bdc) Example Program Results
      x      y      z      r       nag_elliptic_integral_rj
    0.50   0.50   0.50   2.00      1.1184
    0.50   0.50   1.00   2.00      0.9221
    0.50   0.50   1.50   2.00      0.8115
    0.50   1.00   1.00   2.00      0.7671
    0.50   1.00   1.50   2.00      0.6784
    0.50   1.50   1.50   2.00      0.6017
    1.00   1.00   1.00   2.00      0.6438
    1.00   1.00   1.50   2.00      0.5722
    1.00   1.50   1.50   2.00      0.5101
    1.50   1.50   1.50   2.00      0.4561