C++生成随机数

C++随机数生成

#include <functional>
#include <random>
double random() 
{
    static std::uniform_real_distribution<double> distribution(0.0, 1.0);
    static std::mt19937 generator;
    static std::function<double()> rand_generator =
        std::bind(distribution, generator);
    return rand_generator();
}