Produces a random integral value from a Poisson distribution.

Synopsis

Declared in <absl/random/distributions.h>

template<
    typename IntType,
    typename URBG>
IntType
Poisson(
    URBG&& urbg,
    double mean = 1.0);

Description

absl::Poisson produces discrete probabilities for a given number of events occurring within a fixed interval within the closed interval [0, max]. T must be an integral type.

See https://en.wikipedia.org/wiki/Poisson_distribution

Example:

absl::BitGen bitgen; ... int requests_per_minute = absl::Poisson<int>(bitgen, 3.2);

Return Value

A random value drawn from the Poisson distribution.

Parameters

Name

Description

urbg

The uniform random bit generator.

mean

The mean number of events per interval.

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