Родитель
e6ce0250e4
Сommit
3055885661
@ -1,38 +1,40 @@
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#include "histogram.h"
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#include "histogram.h"
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#include <vector>
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#include <vector>
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#include <iostream>
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using namespace std;
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void
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void
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find_minmax(const std::vector<double> numbers, double& min, double& max) {
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find_minmax(const std::vector<double>& numbers, double& min, double& max) {
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min = numbers[0];
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min = numbers[0];
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max = numbers[0];
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max = numbers[0];
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for (double x : numbers)
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for (double x : numbers)
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{
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{
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if (x < min) {min = x;}
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if(x < min){min = x;}
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else if (x > max) {max = x;}
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else if (x > max){max = x;}
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}
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}
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}
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}
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std::vector<size_t>
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std::vector<double>
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make_histogram(const std::vector<double>& numbers, size_t bin_count){
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make_histogram(const std::vector<double>& numbers, size_t bin_count)
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std::vector<size_t> bins(bin_count);
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{
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double min = 0;
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std::vector<double> bins (bin_count);
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double max = 0;
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double min = 0, max = 0;
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find_minmax(numbers, min, max);
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find_minmax(numbers, min, max);
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double bin_size = (max - min) / bin_count;
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double bin_size = (max - min) / bin_count;
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for (size_t i =0; i < numbers.size(); i++)
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for (int i = 0; i < numbers.size(); i++)
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{
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bool found = false;
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for (size_t j = 0; (j < bin_count - 1) && !found; j++)
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{
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{
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auto lo = min + j * bin_size;
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bool found = false;
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auto hi = min + (j+1) * bin_size;
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for (int j = 0; (j < bin_count - 1) && !found; j++)
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if ((lo <= numbers[i]) && (numbers[i] < hi))
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{
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{
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bins[j]++;
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auto lo = min + j * bin_size;
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found = true;
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auto hi = min + (j + 1) * bin_size;
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}}
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if ((lo <= numbers[i]) && (numbers[i] < hi))
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if (!found){bins[bin_count - 1]++;}
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{
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}
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bins[j]++;
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found = true;
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}
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}
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if (!found) {bins[bin_count - 1]++;}
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}
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return bins;
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return bins;
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}
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}
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