[−][src]Struct rand_pcg::Mcg128Xsl64
A PCG random number generator (XSL 128/64 (MCG) variant).
Permuted Congruential Generator with 128-bit state, internal Multiplicative Congruential Generator, and 64-bit output via "xorshift low (bits), random rotation" output function.
This is a 128-bit MCG with the PCG-XSL-RR output function.
Note that compared to the standard pcg64
(128-bit LCG with PCG-XSL-RR
output function), this RNG is faster, also has a long cycle, and still has
good performance on statistical tests.
Note: this RNG is only available using Rust 1.26 or later.
Methods
impl Mcg128Xsl64
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pub fn new(state: u128) -> Self
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Construct an instance compatible with PCG seed.
Note that PCG specifies a default value for the parameter:
state = 0xcafef00dd15ea5e5
Trait Implementations
impl Debug for Mcg128Xsl64
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impl Clone for Mcg128Xsl64
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fn clone(&self) -> Mcg128Xsl64
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fn clone_from(&mut self, source: &Self)
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impl RngCore for Mcg128Xsl64
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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 Mcg128Xsl64
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We use a single 126-bit seed to initialise the state and select a stream.
Two seed
bits (lowest order of last byte) are ignored.
Auto Trait Implementations
impl Unpin for Mcg128Xsl64
impl Send for Mcg128Xsl64
impl Sync for Mcg128Xsl64
impl UnwindSafe for Mcg128Xsl64
impl RefUnwindSafe for Mcg128Xsl64
Blanket Implementations
impl<T> From<T> for 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.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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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,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,