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std::indepe..._bits_engine(3) C++ Standard Libarystd::indepe..._bits_engine(3) NAME std::independent_bits_engine::independent_bits_engine - std::indepen- dent_bits_engine::independent_bits_engine Synopsis independent_bits_engine(); (1) (since C++11) explicit independent_bits_engine( result_type s ); (2) (since C++11) template< class Sseq > (3) (since C++11) explicit independent_bits_engine( Sseq& seq ); explicit independent_bits_engine( const Engine& e ); (4) (since C++11) explicit independent_bits_engine( Engine&& e ); (5) (since C++11) Constructs new pseudo-random engine adaptor. 1) Default constructor. The underlying engine is also default-con- structed. 2) Constructs the underlying engine with s. 3) Constructs the underlying engine with seed sequence seq. This constructor only participate in overload resolution if Sseq qualifies as a SeedSe- quence. In particular, this constructor does not participate in overload reso- lution if Sseq is implicitly convertible to result_type. 4) Constructs the underlying engine with a copy of e. 5) Move-constructs the underlying engine with e. e holds unspeci- fied, but valid state afterwards. Parameters s - integer value to construct the underlying engine with seq - seed sequence to construct the underlying engine with e - pseudo-random number engine to initialize with Example // Run this code #include <iostream> #include <random> int main() { auto print = [](auto rem, auto engine, int count) { std::cout << rem << ": "; for (int i{}; i != count; ++i) std::cout << static_cast<unsigned>(engine()) << ' '; std::cout << '\n'; }; std::independent_bits_engine<std::mt19937, /*bits*/ 1, unsigned short> e1; // default-constructed print("e1", e1, 8); std::independent_bits_engine<std::mt19937, /*bits*/ 1, unsigned int> e2(1); // constructed with 1 print("e2", e2, 8); std::random_device rd; std::independent_bits_engine<std::mt19937, /*bits*/ 3, unsigned long> e3(rd()); // seeded with rd() print("e3", e3, 8); std::seed_seq s{3,1,4,1,5}; std::independent_bits_engine<std::mt19937, /*bits*/ 3, unsigned long long> e4(s); // seeded with seed-sequence s print("e4", e4, 8); } Possible output: e1: 0 0 0 1 0 1 1 1 e2: 1 1 0 0 1 1 1 1 e3: 3 1 5 4 3 2 3 4 e4: 0 2 4 4 4 3 3 6 http://cppreference.com 2022.07.31 std::indepe..._bits_engine(3)
NAME | Synopsis | Parameters | Example | Possible output:
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