Function rgsl::airy::Ai_deriv_scaled

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

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