Function spectra::spline::cubic_hermite

pub fn cubic_hermite<T>(
    x: (T, Time), 
    a: (T, Time), 
    b: (T, Time), 
    y: (T, Time), 
    t: Time
) -> T where
    T: Copy + Add<Output = T> + Sub<Output = T> + Mul<Time, Output = T> + Div<Time, Output = T>,