[−][src]Struct oorandom::Rand64
A PRNG producing a 64-bit output.
Methods
impl Rand64
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pub const DEFAULT_INC: u128
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The default value for increment
.
The value used here is from the PCG default C implementation: http://www.pcg-random.org/download.html
pub fn new(seed: u128) -> Self
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Creates a new PRNG with the given seed and a default increment.
pub fn rand(&mut self) -> u64
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Produces a random u64
in the range[0, u64::MAX]
.
pub fn rand_float(&mut self) -> f64
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Produces a random f64
in the range [0.0, 1.0)
.
pub fn rand_range(&mut self, range: Range<u64>) -> u64
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Produces a random within the given bounds. Like any Range
,
it includes the lower bound and excludes the upper one.
This should be faster than Self::rand() % end + start
, but the
real advantage is it's more convenient. Requires that
range.end <= range.start
.
Trait Implementations
impl PartialEq<Rand64> for Rand64
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impl Debug for Rand64
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impl Copy for Rand64
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impl Clone for Rand64
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Auto Trait Implementations
Blanket Implementations
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> From<T> for T
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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,