Struct xoshiro::Xoroshiro64Star

pub struct Xoroshiro64Star { /* fields omitted */ }

A xoroshiro64* random number generator.

The xoroshiro64* algorithm is not suitable for cryptographic purposes, but is very fast and has good statistical properties, besides a low linear complexity in the lowest bits.

The algorithm used here is translated from the xoroshiro64star.c reference source code by David Blackman and Sebastiano Vigna.

Methods

impl Xoroshiro64Star

pub fn from_seed_u64(seed: u64) -> Xoroshiro64Star

Seed a Xoroshiro64Star from a u64 using SplitMix64.

Trait Implementations

impl Debug for Xoroshiro64Star

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Clone for Xoroshiro64Star

fn clone(&self) -> Xoroshiro64Star

Returns a copy of the value.

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

Performs copy-assignment from source.

impl RngCore for Xoroshiro64Star

fn next_u32(&mut self) -> u32

Return the next random u32.

fn next_u64(&mut self) -> u64

Return the next random u64.

fn fill_bytes(&mut self, dest: &mut [u8])

Fill dest with random data.

fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error>

Fill dest entirely with random data.

impl SeedableRng for Xoroshiro64Star

type Seed = [u8; 8]

Seed type, which is restricted to types mutably-dereferencable as u8 arrays (we recommend [u8; N] for some N).

fn from_seed(seed: [u8; 8]) -> Xoroshiro64Star

Create a new Xoroshiro64Star. If seed is entirely 0, it will be mapped to a different seed.

fn from_rng<R>(rng: R) -> Result<Self, Error> where     R: RngCore,

Create a new PRNG seeded from another Rng.