pub fn fft<F: IsFFTField + IsSubFieldOf<E>, E: IsField>(
input: &[FieldElement<E>],
twiddles: &[FieldElement<F>],
) -> Result<Vec<FieldElement<E>>, FFTError>Expand description
Executes Fast Fourier Transform over elements of a two-adic finite field E and domain in a
subfield F. Usually used for fast polynomial evaluation.