# Rule30
[](https://github.com/kemingy/rule30/actions/workflows/rust.yml)
[](https://crates.io/crates/rule30)
[](https://docs.rs/rule30)
[](https://pypi.org/project/rule30py)
Pseudo random number generator with cellular automaton rule 30.
## Features
- [x] `no_std`
- [x] Extend CA for better performance
## Usage
```rust
use rule30::prelude::*;
fn main() {
let mut ca = ExtendedCA::seed_from_u64(42);
println!("{}", ca.next_u64());
}
```
To work with `rand` crate:
```rust
use rule30::prelude::*;
use rand::Rng;
fn main() {
let mut ca = ExtendedCA::seed_from_u64(42);
println!("{}", ca.gen::<f64>());
}
```
For Python binding, check [rule30py](python/)
## Reference
- Wolfram [Rule30](https://reference.wolfram.com/language/tutorial/RandomNumberGeneration.html#830168163)
- Wolfram [ExtendedCA](https://reference.wolfram.com/language/tutorial/RandomNumberGeneration.html#18361715)