Struct Butterworth2 

pub struct Butterworth2 { /* private fields */ }

2-Pole Butterworth Filter

Based on John Ehlers’ “Poles, Zeros, and Higher Order Filters”. A second-order IIR filter with two poles and two zeros at Z=-1.

Implementations

impl Butterworth2

pub fn new(period: usize) -> Self

Trait Implementations

impl Clone for Butterworth2

fn clone(&self) -> Butterworth2

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Butterworth2

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Next<f64> for Butterworth2

type Output = f64

fn next(&mut self, input: f64) -> Self::Output

Process the next input and return the updated output.