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exponential_distribution::param_type

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Stores the parameters of the distribution.

struct param_type {
    typedef exponential_distribution<RealType> distribution_type;
    param_type(RealType lambda = 1.0);
    RealType lambda() const;
    .....
    bool operator==(const param_type& right) const;
    bool operator!=(const param_type& right) const;
};

Parameters

See parent topic exponential_distribution Class.

Remarks

**Precondition:**0.0 < lambda

This structure can be passed to the distribution's class constructor at instantiation, to the param() member function to set the stored parameters of an existing distribution, and to operator() to be used in place of the stored parameters.

Requirements

Header: <random>

Namespace: std

See Also

Reference

<random>

exponential_distribution Class