Struct rand_xoshiro::Xoroshiro128Plus [−][src]
A xoroshiro128+ random number generator.
The xoroshiro128+ 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 xoroshiro128plus.c
reference source code by
David Blackman and Sebastiano Vigna.
Implementations
impl Xoroshiro128Plus
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pub fn jump(&mut self)
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Jump forward, equivalently to 2^64 calls to next_u64()
.
This can be used to generate 2^64 non-overlapping subsequences for parallel computations.
use rand_xoshiro::rand_core::SeedableRng; use rand_xoshiro::Xoroshiro128Plus; let rng1 = Xoroshiro128Plus::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 2^96 calls to next_u64()
.
This can be used to generate 2^32 starting points, from each of which
jump()
will generate 2^32 non-overlapping subsequences for parallel
distributed computations.
Trait Implementations
impl Clone for Xoroshiro128Plus
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fn clone(&self) -> Xoroshiro128Plus
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pub fn clone_from(&mut self, source: &Self)
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impl Debug for Xoroshiro128Plus
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impl RngCore for Xoroshiro128Plus
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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 Xoroshiro128Plus
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type Seed = [u8; 16]
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; 16]) -> Xoroshiro128Plus
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Create a new Xoroshiro128Plus
. If seed
is entirely 0, it will be
mapped to a different seed.
fn seed_from_u64(seed: u64) -> Xoroshiro128Plus
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Seed a Xoroshiro128Plus
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 Xoroshiro128Plus
impl Send for Xoroshiro128Plus
impl Sync for Xoroshiro128Plus
impl Unpin for Xoroshiro128Plus
impl UnwindSafe for Xoroshiro128Plus
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>,