//! [Discrete Fourier transform][1]. //! //! [1]: https://en.wikipedia.org/wiki/Discrete_Fourier_transform extern crate complex as number; macro_rules! power_of_two( ($data:expr) => ({ let n = $data.len(); if !n.is_power_of_two() { panic!("expected the number of points to be a power of two"); } n }); ); pub mod complex; pub mod real;