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std::independent_bits_engine

Defined in header <random> 
template<
    class Engine,
    std::size_t W,
    class UIntType
> class independent_bits_engine;
 (since C++11)

independent_bits_engine is a random number engine adaptor that produces random numbers with different number of bits than that of the wrapped engine.

Template parameters

Engine - the type of the wrapped engine
W - the number of bits the generated numbers should have
UIntType - the type of the generated random numbers. The effect is undefined unless the parameter is cv-unqualified and is one of unsigned short, unsigned int, unsigned long, or unsigned long long.
Type requirements
-Engine must meet the requirements of RandomNumberEngine.
-W must be greater than zero, and no greater than std::numeric_limits<UIntType>::digits.

Member types

Member type Definition
result_type (C++11) UIntType

Member functions

(C++11)
constructs the engine adaptor
(public member function)
(C++11)
sets the state of the underlying engine
(public member function)
(C++11)
returns the underlying engine
(public member function)
Generation
(C++11)
advances the state of the underlying engine and returns the generated value
(public member function)
(C++11)
advances the adaptor's state by a specified amount
(public member function)
Characteristics
[static] (C++11)
gets the smallest possible value in the output range (always zero).
(public static member function)
[static] (C++11)
gets the largest possible value in the output range (always 2w - 1).
(public static member function)

Non-member functions

(C++11)(C++11)(removed in C++20)
compares the internal states of the adaptors and underlying engines
(function)
(C++11)
performs stream input and output on pseudo-random number engine adaptor
(function)

Example

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