1//! Pseudo-random element generation.
 2
 3pub use winter_crypto::{DefaultRandomCoin as WinterRandomCoin, RandomCoin, RandomCoinError};
 4
 5use crate::{Felt, FieldElement, StarkField, Word, ZERO};
 6
 7mod rpo;
 8pub use rpo::RpoRandomCoin;
 9
10/// Pseudo-random element generator.
11///
12/// An instance can be used to draw, uniformly at random, base field elements as well as [Word]s.
13pub trait FeltRng {
14    /// Draw, uniformly at random, a base field element.
15    fn draw_element(&mut self) -> Felt;
16
17    /// Draw, uniformly at random, a [Word].
18    fn draw_word(&mut self) -> Word;
19}