1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
|
// exponential_distribution example
#include <iostream>
#include <chrono>
#include <thread>
#include <random>
int main()
{
// construct a trivial random generator engine from a time-based seed:
int seed = std::chrono::system_clock::now().time_since_epoch().count();
std::default_random_engine generator (seed);
std::exponential_distribution<double> distribution (1.0);
std::cout << "ten beeps, spread by 1 second, on average: " << std::endl;
for (int i=0; i<10; ++i) {
double number = distribution(generator);
std::chrono::duration<double> period ( number );
std::this_thread::sleep_for( period );
std::cout << "beep!" << std::endl;
}
return 0;
}
| |