program divide complited

histogram.cpp

@@ -0,0 +1,40 @@
+#include <vector>
+#include "histogram.h"
+#include "histogram_internal.h"
+using namespace std;
+
+
+void find_minmax(const vector<double>& numbers, double& min, double& max) {
+    min = numbers[0];
+    max = numbers[0];
+    for (auto el : numbers) {
+        if (el > max) {
+            max = el;
+        }
+        if (el < min) {
+            min = el;
+        }
+    }
+}
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+    vector<size_t> bins(bin_count);
+    double max, min;
+    find_minmax(numbers, min, max);
+    double binSize = (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 * binSize;
+            auto hi = min + (j + 1) * binSize;
+            if ((lo <= numbers[i]) && (numbers[i] < hi)) {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found) {
+            bins[bin_count - 1]++;
+        }
+    }
+    return bins;
+}

histogram.h

@@ -0,0 +1,4 @@
+#pragma once
+#include <vector>
+
+std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);

histogram_internal.h

@@ -0,0 +1,4 @@
+#pragma once
+#include <vector>
+
+void find_minmax(const std::vector<double>& numbers, double& min, double& max);

main_original.cpp

@@ -1,11 +1,10 @@
-
 #include <iostream>
 #include <vector>
+#include "histogram.h"
+#include "text.h"
 
-using namespace std;
 
-const size_t SCREEN_WIDTH = 80;
-const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+using namespace std;
 
 struct Input {
     vector<double> numbers;
@@ -24,67 +23,6 @@ Input input_data() {
     return in;
 }
 
-void
-find_minmax(const vector<double>& numbers, double& min, double& max) {
-    min = numbers[0];
-    max = numbers[0];
-    for (auto el : numbers) {
-        if (el > max) {
-            max = el;
-        }
-        if (el < min) {
-            min = el;
-        }
-    }
-}
-
-vector<size_t> make_histogram(const vector<double>& numbers, const size_t& bin_count) {
-    vector<size_t> bins(bin_count);
-    double max, min;
-    find_minmax(numbers, min, max);
-    double binSize = (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 * binSize;
-            auto hi = min + (j + 1) * binSize;
-            if ((lo <= numbers[i]) && (numbers[i] < hi))
-            {
-                bins[j]++;
-                found = true;
-            }
-        }
-        if (!found)
-        {
-            bins[bin_count - 1]++;
-        }
-    }
-    return bins;
-}
-
-void show_histogram_text(const vector<size_t>& bins) {
-    size_t maxCount = bins[0];
-    for (auto bin : bins) {
-        if (maxCount < bin) {
-            maxCount = bin;
-        }
-    }
-    for (auto bin : bins) {
-        if (bin < 100)
-        {
-            cout << " ";
-        }
-        if (bin < 10)
-        {
-            cout << " ";
-        }
-        size_t height = maxCount < MAX_ASTERISK ? bin : MAX_ASTERISK * (static_cast<double>(bin) / maxCount);
-        cout << bin << "|" << string(height, '*');
-        cout << "\n";
-    }
-}
-
 int main() {
     Input in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);

text.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+
+const size_t SCREEN_WIDTH = 80;
+const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+
+void show_histogram_text(const vector<size_t>& bins) {
+    size_t maxCount = bins[0];
+    for (auto bin : bins) {
+        if (maxCount < bin) {
+            maxCount = bin;
+        }
+    }
+    for (auto bin : bins) {
+        if (bin < 100)
+        {
+            cout << " ";
+        }
+        if (bin < 10)
+        {
+            cout << " ";
+        }
+        size_t height = maxCount < MAX_ASTERISK ? bin : MAX_ASTERISK * (static_cast<double>(bin) / maxCount);
+        cout << bin << "|" << string(height, '*');
+        cout << "\n";
+    }
+}

text.h

@@ -0,0 +1,4 @@
+#pragma once
+#include <vector>
+
+void show_histogram_text(const std::vector<size_t>& bins);