Struct Xoroshiro 

pub struct Xoroshiro {
    seed_lo: u64,
    seed_hi: u64,
    next_gaussian: Option<f64>,
}

A Xoroshiro128++ random number generator.

Fields

seed_lo: u64

seed_hi: u64

next_gaussian: Option<f64>

Implementations

impl Xoroshiro

pub const fn from_seed(seed: u64) -> Self

Creates a new Xoroshiro from a seed.

pub const fn from_seed_unmixed(seed: u64) -> Self

Creates a new Xoroshiro from a seed without mixing.

const fn new(lo: u64, hi: u64) -> Self

const fn upgrade_seed_to_128_bit(seed: u64) -> (u64, u64)

const fn next(&mut self, bits: u64) -> u64

const fn next_random(&mut self) -> u64

pub const fn set_seed(&mut self, seed: i64)

Resets this random source to vanilla’s XoroshiroRandomSource.setSeed(long) state.

Trait Implementations

impl From<Xoroshiro> for RandomSource

fn from(v: Xoroshiro) -> RandomSource

Converts to this type from the input type.

impl MarsagliaPolarGaussian for Xoroshiro

fn stored_next_gaussian(&self) -> Option<f64>

Gets the stored next gaussian.

fn set_stored_next_gaussian(&mut self, value: Option<f64>)

Sets the stored next gaussian.

fn calculate_gaussian(&mut self) -> f64

Calculates the next gaussian.

impl Random for Xoroshiro

fn fork(&mut self) -> Self

fn next_i32(&mut self) -> i32

fn next_i32_bounded(&mut self, bound: i32) -> i32

fn next_i64(&mut self) -> i64

fn next_f32(&mut self) -> f32

fn next_f64(&mut self) -> f64

fn next_bool(&mut self) -> bool

fn next_gaussian(&mut self) -> f64

fn next_positional(&mut self) -> RandomSplitter

fn next_i32_between(&mut self, min: i32, max: i32) -> i32

fn next_i32_between_exclusive(&mut self, min: i32, max: i32) -> i32

fn triangle(&mut self, min: f64, max: f64) -> f64

fn triangle_f32(&mut self, min: f32, max: f32) -> f32

fn consume_count(&mut self, count: i32)

impl TryInto<Xoroshiro> for RandomSource

type Error = &'static str

The type returned in the event of a conversion error.

fn try_into(self) -> Result<Xoroshiro, <Self as TryInto<Xoroshiro>>::Error>

Performs the conversion.