int main(int, char*[]) {
std::random_device rnd_dev;
std::mt19937 gen(rnd_dev());
long double precision = 0.000001;
std::uniform_real_distribution<long double> dis(precision, 1.0 - precision);
for (int i = 0; i < 10; ++i)
std::cout << dis(gen) << '\n';
return 0;
}
int main() {
//非決定的な乱数生成器
std::random_device rnd_dev;
std::cout << rnd_dev() << std::endl;
//メルセンヌ・ツイスタ乱数生成器
std::mt19937 mt(rnd_dev());
std::cout << mt() << std::endl;
//整数一様分布(0〜RANGE_MAX)
std::uniform_int_distribution<> ui_rand(0, RANGE_MAX);
std::cout << ui_rand(mt) << std::endl;
//実数正規分布(0.0〜1.0)
std::normal_distribution<> nr_rand(0.0, 1.0);
std::cout << nr_rand(mt) << std::endl;
return 0;
}