EADST

C++: Get A Normal Distribution Random Number

#include  < random>

using namespace std;

int GetRamdomNumber(double std=2)
{   
    //work with VS2017, cannot compile in Linux
    random_device rd;
    mt19937 generator(rd());
    std::normal_distribution distribution(0, std);
    double rand_num = distribution(generator);
    //double rand_num = GenerateGaussianNoise(0, std);
    if (rand_num > 3 * std)
    {
        rand_num = 3 * std;
    }
    else if (rand_num < -3 * std)
    {
        rand_num = -3 * std;
    }
    /*int number = std::lround(rand_num);*/
    return rand_num;
}