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std::mersen...ngine::seed(3) C++ Standard Libary std::mersen...ngine::seed(3) NAME std::mersenne_twister_engine::seed - std::mersenne_twister_engine::seed Synopsis void seed( result_type value = default_seed ); (1) (since C++11) template< class SeedSeq > (2) (since C++11) void seed( SeedSeq& seq ); Sets the state of the random-number engine. 1) Right after the state is set, *this == std::mersenne_twister_en- gine(value) is true. 2) Right after the state is set, *this == std::mersenne_twister_en- gine(seq) is true. Parameters value - seed value to use to set the state seq - seed sequence to use to set the state Exceptions Throws nothing. Complexity 1) Same as std::mersenne_twister_engine(value). 2) Same as std::mersenne_twister_engine(seq). Example // Run this code #include <iostream> #include <random> int main() { std::mt19937 gen; // Seed the engine with an unsigned int gen.seed(1); std::cout << "after seed by 1: " << gen() << '\n'; // Seed the engine with two unsigned ints std::seed_seq sseq{1, 2}; gen.seed(sseq); std::cout << "after seed by {1,2}: " << gen() << '\n'; } Possible output: after seed by 1: 1791095845 after seed by {1,2}: 3127717181 http://cppreference.com 2024.06.10 std::mersen...ngine::seed(3)
NAME | Synopsis | Parameters | Exceptions | Complexity | Example | Possible output:
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