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normal_distribution::param_type

Stores the parameters of the distribution.

struct param_type {
    typedef normal_distribution<RealType> distribution_type;
    param_type(RealType mean = 0.0, RealType stddev = 1.0);
    RealType mean() const;
    RealType stddev() const;
    .....
    bool operator==(const param_type& right) const;
    bool operator!=(const param_type& right) const;
};

Precondition: 0.0 ≤ stddev

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.

Header: <random>

Namespace: std

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