Function intt 

fn intt<M>(a: &mut [MInt<M>])
where
    M: Montgomery32NttModulus,

Examples found in repository

crates/competitive/src/math/number_theoretic_transform.rs (line 903)

    fn inverse_transform(mut f: Self::F, len: usize) -> Self::T {
        intt(&mut f);
        f.truncate(len);
        let inv = MInt::from(len.max(1).next_power_of_two() as u32).inv();
        for f in f.iter_mut() {
            *f *= inv;
        }
        f
    }