Function rgsl::airy::Bi_deriv_scaled_e

pub fn Bi_deriv_scaled_e(x: f64, mode: Mode) -> (Value, Result)

This routine computes the scaled Airy function derivative S_B(x) Bi'(x). For x>0 the scaling factor S_B(x) is exp(-(2/3) x^3/2), and is 1 for x<0.