Function cd_poly_roots_initial_values 

pub unsafe extern "C" fn cd_poly_roots_initial_values(
    z_r: *mut f64,
    z_i: *mut f64,
    p_r: *const f64,
    p_i: *const f64,
    n: slong,
    z0: *const f64,
    d: slong,
)