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random_device Class

Generates a random sequence from an external device.

class random_device {
public:
    typedef unsigned int result_type;
    explicit random_device(const std::string& token = /* implementation defined */);
    result_type min() const;
    result_type max() const;
    double entropy() const;
    result_type operator()();
private:
    random_device(const random_device&);    // exposition only
    void operator=(const random_device&);   // exposition only
    };

The class decribes a source of random numbers, preferably from a non-deterministic external device.

Header: <random>

Namespace: std::tr1

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