cs-lab34/histogram.cpp

#include <iostream>
#include <vector>
#include "histogram.h"

//std::vector<size_t>

void
find_minmax(const std::vector<double> numbers, double& min, double& max)
{
/*/double/*/ min = numbers[0];//ïîèñê ìèí è ìàêñ
/*/ double/*/ max = numbers[0];
for (double x : numbers)
{
if (x < min)
{
min = x;
}
else if (x > max)
{
max = x;
}
}
}
std::vector<size_t>
make_histogram(const std::vector<double> numbers, size_t bin_count)
{
std::vector <size_t> bins(bin_count);
double min, max;
find_minmax(numbers, min, max);
double bin_size = (max-min)/bin_count;//ðàçìåð êîðçèíû

for (size_t i = 0; i < numbers.size(); i++)//çàïîëíåíèå
{
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;
}