From 8a6b1a186abc57612657ec5d73100217987dc659 Mon Sep 17 00:00:00 2001
From: ArtyushinaVV <ArtiushinaVV@mpei.ru>
Date: Sun, 23 Apr 2023 14:22:46 +0300
Subject: [PATCH] =?UTF-8?q?build:=20=D0=B2=D1=8B=D0=BF=D0=BE=D0=BB=D0=BD?=
 =?UTF-8?q?=D0=B5=D0=BD=D0=B0=20=D0=BF=D0=B5=D1=80=D0=B5=D1=81=D0=B1=D0=BE?=
 =?UTF-8?q?=D1=80=D0=BA=D0=B0=20=D0=BF=D1=80=D0=BE=D0=B5=D0=BA=D1=82=D0=B0?=
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---
 histogram.cpp | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++
 histogram.h   |  5 +++++
 text.cpp      | 34 +++++++++++++++++++++++++++++++
 text.h        |  5 +++++
 4 files changed, 99 insertions(+)
 create mode 100644 histogram.cpp
 create mode 100644 histogram.h
 create mode 100644 text.cpp
 create mode 100644 text.h

diff --git a/histogram.cpp b/histogram.cpp
new file mode 100644
index 0000000..7aa16f5
--- /dev/null
+++ b/histogram.cpp
@@ -0,0 +1,55 @@
+#include <iostream>
+#include <math.h>
+#include <vector>
+#include "histogram.h"
+using namespace std;
+
+void
+find_minmax(const vector<double> &numbers, double& min, double& max)
+{
+
+    min = numbers[0];
+    max = numbers[0];
+    for (size_t i = 0; i < numbers.size(); i++)
+    {
+        if (numbers[i] > max)
+            max = numbers[i];
+        if (numbers[i] < min)
+            min = numbers[i];
+    }
+}
+
+vector<size_t> make_histogram (const vector<double>& numbers, size_t &bin_count)
+{
+   vector <size_t> bins(bin_count);
+
+   double min, max;
+   float low, hi;
+
+   find_minmax(numbers, min, max);
+
+   double bin_size = (max - min) / bin_count;
+   low = min;
+   hi = low + bin_size;
+
+   for (size_t i = 0; i < numbers.size(); i++)
+    {
+        bool found = false;
+
+        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
+        {
+            low = min + j * bin_size;
+            hi = min + (j + 1) * bin_size;
+            if ((low <= numbers[i]) && (numbers[i] < hi))
+            {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (found==false)
+        {
+            bins[bin_count - 1]++;
+        }
+    }
+    return bins;
+}
diff --git a/histogram.h b/histogram.h
new file mode 100644
index 0000000..0623f24
--- /dev/null
+++ b/histogram.h
@@ -0,0 +1,5 @@
+#pragma once
+#include <vector>
+
+std::vector<size_t>
+make_histogram(const std::vector<double> &numbers, size_t &bin_count);
diff --git a/text.cpp b/text.cpp
new file mode 100644
index 0000000..b035e5a
--- /dev/null
+++ b/text.cpp
@@ -0,0 +1,34 @@
+#include <iostream>
+#include <vector>
+#include "text.h"
+
+using namespace std;
+
+void show_histogram_text(vector<size_t>& bins, size_t &bin_count)
+{
+
+const size_t SCREEN_WIDTH = 80;
+const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+
+   size_t max_bin = bins[0];
+   for (size_t bin : bins)
+       if (bin > max_bin)
+           max_bin = bin;
+   for (size_t bin : bins)
+   {
+      int height = bin;
+      if (max_bin > MAX_ASTERISK)
+      {
+          height = MAX_ASTERISK * (static_cast<double>(bin) / max_bin);
+      }
+      if (bin < 100)
+          cout << " ";
+      if (bin < 10)
+          cout << " ";
+      cout << bin << "|";
+      for (int i = 0; i < height; i++)
+          cout << "*";
+      cout << endl;
+   }
+   return;
+}
diff --git a/text.h b/text.h
new file mode 100644
index 0000000..14b4f3e
--- /dev/null
+++ b/text.h
@@ -0,0 +1,5 @@
+#pragma once
+#include <vector>
+
+void
+show_histogram_text(std::vector<size_t>& bins, size_t &bin_count);