pub mod buffers;
pub mod delay;
pub mod logs;
pub mod pitch;
pub mod threeband;

pub fn hermite(frac: f32, xm1: f32, x0: f32, x1: f32, x2: f32) -> f32 {
    let c = (x1 - xm1) * 0.5;
    let v = x0 - x1;
    let w = c + v;
    let a = w + v + (x2 - x0) * 0.5;
    let b_neg = w + a;

    (((a * frac) - b_neg) * frac + c) * frac + x0
}