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std::discard_block_engine - cppreference.com
std::discard_block_engine
discard_block_engine is a pseudo-random number engine adaptor that discards a certain amount of data produced by the base engine. From each block of size P generated by the base engine, the adaptor keeps only R numbers, discarding the rest.
[edit] Template parameters Engine - the type of the wrapped engine. P - the size of a block. Expected that \(\small{P>0}\)P > 0. R - the number of used numbers per block. Expected that \(\small{0<R\le P}\)0 < R ⤠P. Type requirements -Engine must meet the requirements of RandomNumberEngine. [edit] Member types Member type Definition result_type (C++11) Engine::result_type [edit] Member functions constructs the engine adaptor
(public member function) [edit] sets the state of the underlying engine
(public member function) [edit] returns the underlying engine
(public member function) [edit] Generation advances the state of the underlying engine and returns the generated value
(public member function) [edit] advances the adaptor's state by a specified amount
(public member function) [edit] Characteristics gets the smallest possible value in the output range of the underlying engine.
(public static member function) [edit] gets the largest possible value in the output range of the underlying engine.
(public static member function) [edit] [edit] Non-member functions [edit] Member constants
constexpr size_t block_size
[static] (C++11)
the size of the block, P
(public static member constant)
constexpr size_t used_block
[static] (C++11)
the number of used numbers per block, R
(public static member constant) [edit] Example
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