pub struct Xoshiro512StarStar { /* private fields */ }
Expand description

A xoshiro512** random number generator.

The xoshiro512** algorithm is not suitable for cryptographic purposes, but is very fast and has excellent statistical properties.

The algorithm used here is translated from the xoshiro512starstar.c reference source code by David Blackman and Sebastiano Vigna.

Implementations§

source§

impl Xoshiro512StarStar

source

pub fn jump(&mut self)

Jump forward, equivalently to 2^256 calls to next_u64().

This can be used to generate 2^256 non-overlapping subsequences for parallel computations.

use rand::SeedableRng;
use rand_xoshiro::Xoshiro512StarStar;

let rng1 = Xoshiro512StarStar::seed_from_u64(0);
let mut rng2 = rng1.clone();
rng2.jump();
let mut rng3 = rng2.clone();
rng3.jump();

Trait Implementations§

source§

impl Clone for Xoshiro512StarStar

source§

fn clone(&self) -> Xoshiro512StarStar

Returns a copy of the value. Read more
1.0.0 · source§

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

Performs copy-assignment from source. Read more
source§

impl Debug for Xoshiro512StarStar

source§

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

Formats the value using the given formatter. Read more
source§

impl RngCore for Xoshiro512StarStar

source§

fn next_u32(&mut self) -> u32

Return the next random u32. Read more
source§

fn next_u64(&mut self) -> u64

Return the next random u64. Read more
source§

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

Fill dest with random data. Read more
source§

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

Fill dest entirely with random data. Read more
source§

impl SeedableRng for Xoshiro512StarStar

source§

fn from_seed(seed: Seed512) -> Xoshiro512StarStar

Create a new Xoshiro512StarStar. If seed is entirely 0, it will be mapped to a different seed.

source§

fn seed_from_u64(seed: u64) -> Xoshiro512StarStar

Seed a Xoshiro512StarStar from a u64 using SplitMix64.

§

type Seed = Seed512

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

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

Create a new PRNG seeded from another Rng. Read more

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> ToOwned for T
where T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.