idsp/
accu.rs

1use num_traits::ops::wrapping::WrappingAdd;
2
3/// Wrapping Accumulator
4#[derive(Copy, Clone, Default, PartialEq, PartialOrd, Debug)]
5pub struct Accu<T> {
6    state: T,
7    step: T,
8}
9
10impl<T> Accu<T> {
11    /// Create a new accumulator with given initial state and step.
12    pub fn new(state: T, step: T) -> Self {
13        Self { state, step }
14    }
15}
16
17impl<T> Iterator for Accu<T>
18where
19    T: WrappingAdd + Copy,
20{
21    type Item = T;
22    fn next(&mut self) -> Option<T> {
23        let s = self.state;
24        self.state = s.wrapping_add(&self.step);
25        Some(s)
26    }
27}
idsp/accu.rs

idsp/
accu.rs
