Pseudo-random number generation
Uniform random bit generators
Engines and engine adaptors
Non-deterministic generator
Uniform distributions
Bernoulli distributions
Poisson distributions
Normal distributions
Sampling distributions
Seed Sequences
C library
double mean() const;
(since C++11)

Returns the μ parameter the distribution was constructed with. The parameter defines mean number of occurrences of the event. The default value is 1.0.



Return value

Floating point value identifying the μ distribution parameter.

See also

gets or sets the distribution parameter object
(public member function)