[#absl-Beta]
= xref:absl.adoc[absl]::Beta
:relfileprefix: ../
:mrdocs:

Produces a floating point value from a Beta distribution.

== Synopsis

Declared in `<absl/random/distributions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename RealType,
    typename URBG>
RealType
Beta(
    URBG&& urbg,
    RealType alpha,
    RealType beta);
----

== Description

`absl::Beta` produces a floating point number distributed in the closed interval [0,1]and parameterized by two values `alpha` and `beta` as per a Beta distribution. `T` must be a floating point type, but may be inferred from the types of `alpha` and `beta`.

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

Example:

absl::BitGen bitgen; ... double sample = absl::Beta(bitgen, 3.0, 2.0);

== Return Value

A random value in [0, 1]drawn from the Beta distribution.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *urbg*
| The uniform random bit generator.
| *alpha*
| The first shape parameter of the distribution.
| *beta*
| The second shape parameter of the distribution.
|===


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