#include "file_io.h"
#include "means.h"
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <cmath>
using namespace std;

int main()
{
    cout << "File einlesen." << endl;
    
    const string name("data_1.txt");              // name of input file
    const string name2("out_1.txt");               // name of output file
    vector<short> a;    //-2^15 to 2^15-1 fits the values from the file 
    double  min, max, ar, ge, ha, std;


    read_vector_from_file(name, a);
    const unsigned size = a.size();

    min = *min_element(a.begin(), a.end());
    max = *max_element(a.begin(), a.end());

   

    means_vector(a, ar, ge, ha);

    std = 0;
    for(unsigned int i = 0; i < size; i++)
    {
        std += pow(a.at(i)-ar,2);
    }
    std = sqrt(std/size);

    cout << "min: " << min << ", max: " << max << endl;
    cout << "Arithmetic mean: " << ar
         << ", geometric mean: " << ge
         << ", harmonic mean: " << ha  << endl;
    cout << "std: " << std << endl;

    vector<double> results = {min, max, ar, ge, ha, std};
    write_vector_to_file(name2, results);


    return 0;
}