absl::Exponential

template<
    typename RealType,
    typename URBG>
RealType
Exponential(
    URBG&& urbg,
    RealType lambda = 1);

Description

absl::Exponential produces a floating point number representing the distance (time) between two consecutive events in a point process of events occurring continuously and independently at a constant average rate lambda. T must be a floating point type, but may be inferred from the type of lambda.

The mean of the distribution is 1/lambda.

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

Example:

absl::BitGen bitgen; ... double call_length = absl::Exponential(bitgen, 7.0);