Ranvec1 random float

#include "vectorclass.h"
#include "ranvec1.h"
#include <chrono>
#include <random>
#include <iostream>

using namespace std;

constexpr int M = 20000000;

class stoper
{
    chrono::time_point<chrono::high_resolution_clock> a,b;
public:
    void start(){a = chrono::high_resolution_clock::now();}
    void stop() {b = chrono::high_resolution_clock::now();}
    double value()
    {
        chrono::duration<double> elapsed_seconds = b-a;
        return elapsed_seconds.count();
    }
    void show()
    {
        cout << value()<<" ";
    }
};



int main()
{
    for (int k=0;k<5;k++)
    {
        int seed = k;
        Ranvec1 ran(3);
        ran.init(seed);
        stoper st;

        float sum1=0.0;

        st.start();

        Vec8f rf;
        for (int i=0;i<M/8;i++){
            rf = ran.random8f();
            for (int j=0;j<8;j++)
                sum1+=rf[i];
        }

        st.stop();
        st.show();

        random_device rd;

        mt19937 gen{rd()};
        uniform_real_distribution<float> dist;

        float sum2=0.0;
        st.start();

        for (int i=0;i<M;i++){
            sum2+= dist(gen);
        }
        st.stop();
        st.show();

        cout<<endl<<sum1/M<<" "<<sum2/M<<endl;
    }

}