Function laguerre_function 

pub fn laguerre_function<P, E, V, const INT_ALPHA: bool>(
    x: V,
    alpha: V,
    alpha_int: i32,
    n: u32,
) -> V
where
    P: Policy,
    E: FloatElement,
    V: FloatVector<Element = E> + SpecializedSpecialMath<E>,

The runtime-degree twin of laguerre_function_n.

The same seed, the same recurrence and the same backward s_k order, with the degree as a value. Under INT_ALPHA the per-step scales are computed rather than folded, which is the only cost.