Function cf_functions::cir::generic_leverage_jump

pub fn generic_leverage_jump(
    u: &Complex<f64>, 
    cf: &dyn Fn(&Complex<f64>) -> Complex<f64>, 
    t: f64, 
    v0: f64, 
    correlation: f64, 
    expected_value_of_cf: f64, 
    rho0: f64, 
    rho1: f64, 
    k0: f64, 
    k1: f64, 
    h0: f64, 
    h1: f64, 
    l0: f64, 
    l1: f64, 
    num_steps: usize
) -> Complex<f64>