Function rgsl::airy::Bi_deriv_scaled

pub fn Bi_deriv_scaled(x: f64, mode: Mode) -> f64

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.