ЛР №1: рефакторинг - разделение кода на функции

.gitignore

@@ -1,4 +1,6 @@
 bin/
 obj/
-*.o
+*.cbp
-*.exe
+*.depend
+*.layout
+*.user

histogram.cpp

@@ -0,0 +1,47 @@
+#include "histogram.h"
+#include <vector>
+
+using namespace std;
+
+// Ðåàëèçàöèÿ find_minmax
+void
+find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (numbers.empty()) {
+        return;
+    }
+
+    min = numbers[0];
+    max = numbers[0];
+
+    for (double x : numbers) {
+        if (x < min) {
+            min = x;
+        }
+        if (x > max) {
+            max = x;
+        }
+    }
+}
+
+// Ðåàëèçàöèÿ make_histogram
+vector<size_t>
+make_histogram(const vector<double>& numbers, size_t bin_count) {
+    double min, max;
+    find_minmax(numbers, min, max);
+
+    vector<size_t> bins(bin_count);
+    double bin_size = (max - min) / bin_count;
+
+    for (double x : numbers) {
+        size_t bin_index = 0;
+        if (x == max) {
+            bin_index = bin_count - 1;
+        }
+        else {
+            bin_index = static_cast<size_t>((x - min) / bin_size);
+        }
+        bins[bin_index]++;
+    }
+
+    return bins;
+}

histogram.h

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+#pragma once
+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+
+#include <vector>
+
+// Îáúÿâëÿåì ÎÁÅ ôóíêöèè: è find_minmax, è make_histogram
+void find_minmax(const std::vector<double>& numbers, double& min, double& max);
+std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);
+
+#endif // HISTOGRAM_H_INCLUDED
+

text.cpp

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+#include "text.h"
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+void
+show_histogram_text(const vector<size_t>& bins) {
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+
+    size_t max_count = 0;
+    for (size_t count : bins) {
+        if (count > max_count) {
+            max_count = count;
+        }
+    }
+
+    for (size_t count : bins) {
+        // Âûâîäèì êîëè÷åñòâî ñ âûðàâíèâàíèåì
+        if (count < 10) {
+            cout << "  " << count << "|";
+        }
+        else if (count < 100) {
+            cout << " " << count << "|";
+        }
+        else {
+            cout << count << "|";
+        }
+
+        size_t height = 0;
+        if (max_count <= MAX_ASTERISK) {
+            height = count;
+        }
+        else {
+            height = MAX_ASTERISK * (static_cast<double>(count) / max_count);
+        }
+
+        for (size_t i = 0; i < height; i++) {
+            cout << "*";
+        }
+        cout << "\n";
+    }
+}

text.h

@@ -0,0 +1,9 @@
+#pragma once
+#ifndef TEXT_H_INCLUDED
+#define TEXT_H_INCLUDED
+
+#include <vector>
+
+void show_histogram_text(const std::vector<size_t>& bins);
+
+#endif // TEXT_H_INCLUDED