Struct randu::RANDU

pub struct RANDU(/* private fields */);

Structure holding current state of RANDU generator.

Generator uses last generated number as its internal state.

Implementations

impl RANDU

pub fn new() -> Self

Creates new RANDU generator with default seed.

pub fn seed(seed: i32) -> Self

Creates new RANDU generator with provided seed.

MCG generators seed can’t be zero or multiple of M.

Function will panic if called with zero or M seed. You can seed with negative number as long it is not -1 which is wrapped M.

pub fn next(&mut self) -> i32

Get next non negative 31-bit integer from generator.

Returned value is in inclusive range from zero to M-1.

pub fn nextDouble(&mut self) -> f64

Get next double value from generator.

Returned value is in range zero inclusive to 1.0 exclusive.