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std::exponential_distribution::exponential_distribution

From cppreference.com
 
 
 
 
 
explicit exponential_distribution( RealType lambda = 1.0 );
(1) (since C++11)
explicit exponential_distribution( const param_type& params );
(2) (since C++11)

Constructs a new distribution object. The first version uses lambda as the distribution parameter, the second version uses params as the distribution parameter.

[edit] Parameters

lambda - the λ distribution parameter (the rate parameter)
params - the distribution parameter set

[edit] Notes

Requires that 0 < lambda.