Родитель
2f9220ab7a
Сommit
81d46b5556
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#include "histogram.h"
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#include <vector>
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//Ôóíêöèÿ ïîèñêà ìèíèìóìà è ìàêñèììóìà
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static void find_minmax(const std::vector<double>& numbers, double& Min, double& Max){
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Min = numbers[0];
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Max = numbers[0];
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for (int i = 1; i < numbers.size(); i++) {
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if (numbers[i] > Max)
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Max = numbers[i];
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if (numbers[i] < Min)
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Min = numbers[i];
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}
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}
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//Ôóíêöèÿ ðàñ÷¸òà ãèñòîãðàììû
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std::vector<size_t> make_histogram(const std::vector<double>& Numbers, size_t bin_count){
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//Îïðåäåëåíèå øàãà ìåæäó êîðçèíàìè
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double Max, Min;
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find_minmax(Numbers, Min, Max);
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double bin_size = (Max-Min) / bin_count;
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//Ìàññèâ êîðçèí
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std::vector<size_t> bins(bin_count);
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for (size_t i = 0; i < bin_count; i++) // îáíóëåíèå êîðçèí
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bins[i] = 0;
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for (size_t i = 0; i < bin_count; i++) {
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double lo = Min + i * bin_size;
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double hi = Min + (i + 1) * bin_size;
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for (size_t j = 0; j < Numbers.size(); j++) {
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if (lo <= Numbers[j] && Numbers[j] <= hi)
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bins[i]++;
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}
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}
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return bins;
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}
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