//! FIR filter design and application.
//!
//! - [`design`]: Hamming-windowed sinc FIR design for highpass, lowpass,
//! bandpass, and notch filters, matching MNE's `create_filter` and
//! `notch_filter` parameter selection.
//! - [`apply`]: Overlap-add zero-phase convolution, matching MNE's
//! `_overlap_add_filter` / `_1d_overlap_filter`.
pub use ;
pub use ;