cs--lab34/histogram.cpp

#pragma once

#include <iostream>
#include <vector>

#include "histogram.h"

using namespace std;



void find_minmax(vector <double> numbers, double& min, double& max) {
    min = numbers[0];
    max = numbers[0];
    for (int i = 0; i < numbers.size(); i++){
        if (numbers[i] < min)
                    min = numbers[i];
        if (numbers[i] > max)
                    max = numbers[i];


}
}

vector<size_t> make_histogram(  vector<double> numbers,  size_t bin_count){
vector<size_t> bins(bin_count);

double min,max;

find_minmax( numbers, min, max);

double bin_size = (max - min) / bin_count;

for (size_t i = 0; i < numbers.size(); i++){
          bool found = false;
          for (size_t j = 0; (j < bin_count - 1) && !found; j++){
                  auto lo = min + j * bin_size;
                  auto hi = min + (j + 1) * bin_size;
                  if ((lo <= numbers[i]) && (numbers[i] < hi)){
                           bins[j]++;
                           found = true;
                   }
           }
           if (!found){
                 bins[ bin_count - 1]++;
           }
}

return bins;
}