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| // independent_bits_engine::seed example #include <iostream> #include <chrono> #include <cstdint> #include <random> int main () { typedef std::chrono::high_resolution_clock myclock; myclock::time_point beginning = myclock::now(); // obtain a seed from a user string: std::string str; std::cout << "Please, enter a seed: "; std::getline(std::cin,str); std::seed_seq seed1 (str.begin(),str.end()); // obtain a seed from the timer myclock::duration d = myclock::now() - beginning; unsigned seed2 = d.count(); std::independent_bits_engine<std::mt19937,64,std::uint_fast64_t> generator (seed1); std::cout << "Your seed produced: " << generator() << std::endl; generator.seed (seed2); std::cout << "A time seed produced: " << generator() << std::endl; return 0; }
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