public member function
<random>

std::poisson_distribution::mean

double mean() const;
Mean
Returns the mean parameter associated with the poisson_distribution.

This parameters represents the average number of events observed in the interval.

This parameter is set on construction.

Parameters

none

Return value

The mean parameter associated with the distribution object.

Complexity

Constant.

See also

poisson_distribution::(constructor)
Construct Poisson distribution (public member function)
poisson_distribution::param
Distribution parameters (public member function)

C++