Trait splr::types::EmaIF

pub trait EmaIF {
    type Input;
    fn get(&self) -> f64;
    fn update(&mut self, x: Self::Input);

    fn reset(&mut self) { ... }
    fn trend(&self) -> f64 { ... }
}

API for Exponential Moving Average, EMA, like get, reset, update and so on.

Associated Types

type Input

the type of the argument of update.

Required methods

fn get(&self) -> f64

return the current value.

fn update(&mut self, x: Self::Input)

catch up with the current state.

Provided methods

fn reset(&mut self)

reset internal data.

fn trend(&self) -> f64

return a ratio of short / long statistics.

Implementors

impl EmaIF for Ema2

impl EmaIF for Ema

impl EmaIF for EmaSU