pub fn compose_fft<F, E>(
poly_1: &Polynomial<FieldElement<E>>,
poly_2: &Polynomial<FieldElement<E>>,
) -> Polynomial<FieldElement<E>>
pub fn compose_fft<F, E>(
poly_1: &Polynomial<FieldElement<E>>,
poly_2: &Polynomial<FieldElement<E>>,
) -> Polynomial<FieldElement<E>>