Struct rand_xoshiro::Xoshiro256PlusPlus [−][src]
A xoshiro256** random number generator.
The xoshiro256** algorithm is not suitable for cryptographic purposes, but is very fast and has excellent statistical properties.
The algorithm used here is translated from the xoshiro256plusplus.c
reference source code by
David Blackman and Sebastiano Vigna.
Implementations
impl Xoshiro256PlusPlus
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pub fn jump(&mut self)
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Jump forward, equivalently to 2^128 calls to next_u64()
.
This can be used to generate 2^128 non-overlapping subsequences for parallel computations.
use rand_xoshiro::rand_core::SeedableRng; use rand_xoshiro::Xoshiro256PlusPlus; let rng1 = Xoshiro256PlusPlus::seed_from_u64(0); let mut rng2 = rng1.clone(); rng2.jump(); let mut rng3 = rng2.clone(); rng3.jump();
pub fn long_jump(&mut self)
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Jump forward, equivalently to 2^192 calls to next_u64()
.
This can be used to generate 2^64 starting points, from each of which
jump()
will generate 2^64 non-overlapping subsequences for parallel
distributed computations.
Trait Implementations
impl Clone for Xoshiro256PlusPlus
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fn clone(&self) -> Xoshiro256PlusPlus
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pub fn clone_from(&mut self, source: &Self)
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impl Debug for Xoshiro256PlusPlus
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impl RngCore for Xoshiro256PlusPlus
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fn next_u32(&mut self) -> u32
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fn next_u64(&mut self) -> u64
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fn fill_bytes(&mut self, dest: &mut [u8])
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fn try_fill_bytes(&mut self, dest: &mut [u8]) -> Result<(), Error>
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impl SeedableRng for Xoshiro256PlusPlus
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type Seed = [u8; 32]
Seed type, which is restricted to types mutably-dereferencable as u8
arrays (we recommend [u8; N]
for some N
). Read more
fn from_seed(seed: [u8; 32]) -> Xoshiro256PlusPlus
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Create a new Xoshiro256PlusPlus
. If seed
is entirely 0, it will be
mapped to a different seed.
fn seed_from_u64(seed: u64) -> Xoshiro256PlusPlus
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Seed a Xoshiro256PlusPlus
from a u64
using SplitMix64
.
pub fn from_rng<R>(rng: R) -> Result<Self, Error> where
R: RngCore,
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R: RngCore,
pub fn from_entropy() -> Self
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Auto Trait Implementations
impl RefUnwindSafe for Xoshiro256PlusPlus
impl Send for Xoshiro256PlusPlus
impl Sync for Xoshiro256PlusPlus
impl Unpin for Xoshiro256PlusPlus
impl UnwindSafe for Xoshiro256PlusPlus
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,