Struct Prng

pub struct Prng { /* private fields */ }

Simple XorShift64-based pseudo random number generator.

Implementations

impl Prng

pub fn new(seed: u64) -> Self

Create a new generator from the given seed.

pub fn from_entropy() -> Self

Create a generator seeded from the current time.

Trait Implementations

impl Clone for Prng

fn clone(&self) -> Prng

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Rng for Prng

fn next_u64(&mut self) -> u64

Generate the next random u64 value.

fn random_range<T>(&mut self, range: Range<T>) -> T

where T: RangeSample,

Generate a value uniformly in the given range.

fn gen_bool(&mut self) -> bool

Generate a boolean with probability 0.5 of being true.

fn normal(&mut self, mean: f64, sd: f64) -> f64

Sample from a normal distribution using the Box-Muller transform.