code: the final version of lab03 var3

histogram.cpp

@@ -0,0 +1,52 @@
+#include "histogram.h"
+#include <vector>
+#include <iostream>
+using namespace std;
+
+void
+find_minmax(const vector<double>& numbers, double& min, double& max)
+{
+    min = numbers[0];
+    max = numbers[0];
+    for (double x : numbers)
+    {
+        if (x > max )
+        {
+            max = x;
+        }
+        if (x < min)
+        {
+            min = x;
+        }
+    }
+}
+
+
+vector<size_t>
+make_histogram(const vector<double>& numbers, size_t& bin_count)
+{
+    double min = 0;
+    double max = 0;
+    find_minmax(numbers, min, max);
+    auto bin_size = (max - min)/bin_count;
+    vector<size_t> bins(bin_count);
+    for (double number : numbers)
+    {
+        bool found = false;
+        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
+        {
+            auto lo = min + j * bin_size;
+            auto hi = min + (j + 1) * bin_size;
+            if ((lo <= number) && (number < hi))
+            {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found)
+        {
+            bins[bin_count - 1]++;
+        }
+    }
+    return bins;
+}

histogram.h

@@ -0,0 +1,9 @@
+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+
+#include <vector>
+
+std::vector<size_t>
+make_histogram(const std::vector<double>& numbers, size_t& bin_count);
+
+#endif // HISTOGRAM_H_INCLUDED

histogram_internal.h

@@ -0,0 +1,9 @@
+#ifndef HISTOGRAM_INTERNAL_H_INCLUDED
+#define HISTOGRAM_INTERNAL_H_INCLUDED
+
+#include <vector>
+
+void
+find_minmax(const std::vector<double>& numbers, double& min, double& max);
+
+#endif // HISTOGRAM_INTERNAL_H_INCLUDED

lab03.cbp

@@ -32,7 +32,14 @@
 			<Add option="-Wall" />
 			<Add option="-fexceptions" />
 		</Compiler>
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h" />
+		<Unit filename="histogram_internal.h" />
 		<Unit filename="main.cpp" />
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h" />
+		<Unit filename="text.cpp" />
+		<Unit filename="text.h" />
 		<Extensions />
 	</Project>
 </CodeBlocks_project_file>

lab03.depend

@@ -0,0 +1,33 @@
+# depslib dependency file v1.0
+1716799438 source:c:\users\lenov\desktop\lab03\histogram.cpp
+	"histogram.h"
+	<vector>
+	<iostream>
+
+1716797551 c:\users\lenov\desktop\lab03\histogram.h
+	<vector>
+
+1717268069 source:c:\users\lenov\desktop\lab03\main.cpp
+	<iostream>
+	<vector>
+	"histogram.h"
+	"text.h"
+	"svg.h"
+
+1716798974 c:\users\lenov\desktop\lab03\text.h
+	<vector>
+
+1717261318 source:c:\users\lenov\desktop\lab03\text.cpp
+	<iostream>
+	"text.h"
+	<vector>
+
+1716819918 c:\users\lenov\desktop\lab03\svg.h
+	<vector>
+
+1716819750 source:c:\users\lenov\desktop\lab03\svg.cpp
+	<iostream>
+	<vector>
+	<string>
+	"svg.h"
+

main.cpp

@@ -1,45 +1,155 @@
 #include <iostream>
 #include <vector>
-
+#include "histogram.h"
+#include "text.h"
+#include "svg.h"
 using namespace std;
 
-int main()
-{
-    const size_t SCREEN_WIDTH = 80;
-    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
-    size_t max_count = 0;
-    size_t max_count_bin;
+struct Input {
+    vector<double> numbers;
+    size_t bin_count{};
+    double COLUMN_HIGHT;
+};
+Input
+input_data() {
     size_t number_count;
     cerr << "Enter number count: ";
     cin >> number_count;
-    vector<double> numbers(number_count);
+    Input in;
+    in.numbers.resize(number_count);
     cerr << "Enter numbers: ";
-    for (int i = 0; i < number_count; i++)
-    {
-        cin >> numbers[i];
+    for (size_t i = 0; i < number_count; i++) {
+        cin >> in.numbers[i];
     }
-    size_t bin_count;
     cerr << "Enter bin count: ";
-    cin >> bin_count;
-    vector<size_t > bins(bin_count);
-    double max = numbers[0];
-    double min = numbers[0];
+    cin>> in.bin_count;
+    cerr << "Enter column hight: ";
+    cin >>  in.COLUMN_HIGHT;
+    while (in.COLUMN_HIGHT <=0 ){
+         cerr << "The height of the column can only be positive, try again: ";
+         cin >>  in.COLUMN_HIGHT;
+    }
+    return in;
+}
+
+
+/*void
+find_minmax(const vector<double>& numbers, double& min, double& max)
+{
+    min = numbers[0];
+    max = numbers[0];
     for (double x : numbers)
     {
-        if (x > max)
+        if (x > max )
+        {
             max = x;
+        }
         if (x < min)
+        {
             min = x;
-
         }
-    for (size_t i = 0; i < number_count; i++) {
-        if (numbers[i] < min)
-            min = numbers[i];
-        if (numbers[i] > max)
-            max  = numbers[i];
+    }
+}
+vector<size_t>
+make_histogram(const vector<double>& numbers, size_t& bin_count)
+{
+    double min = 0;
+    double max = 0;
+    find_minmax(numbers, min, max);
+    auto bin_size = (max - min)/bin_count;
+    vector<size_t> bins(bin_count);
+    for (double number : numbers)
+    {
+        bool found = false;
+        for (size_t j = 0; (j < bin_count - 1) && !found; j++)
+        {
+            auto lo = min + j * bin_size;
+            auto hi = min + (j + 1) * bin_size;
+            if ((lo <= number) && (number < hi))
+            {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found)
+        {
+            bins[bin_count - 1]++;
+        }
+    }
+    return bins;
+}*/
+/*void
+show_histogram_text(const 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_count = 0;
+    for (size_t s = 0; s < bin_count; s++)
+    {
+        if (bins[s] > max_count)
+        {
+            max_count = bins[s];
+        }
+    }
+    auto kof = static_cast<double>(MAX_ASTERISK) / max_count;
+    if (kof > 1)
+    {
+        kof = 1;
+    }
+    for (size_t bin : bins)
+    {
+        if (bin <100)
+        {
+            cout << " ";
+        }
+        if (bin <10)
+        {
+            cout << " ";
+        }
+        cout << bin << "|";
+        size_t weight = bin * kof;
+        for (size_t t = 0; t < weight; t++)
+        {
+            cout << "*";
+        }
+        cout << endl;
+    }
+}*/
+int
+main() {
+    auto in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+   // show_histogram_svg(bins);
+    COLUMN_hight_function(in.COLUMN_HIGHT,in.bin_count,bins);
+
+/*int main()
+{
+
+    Input in = input_data();
+    double min, max;
+    find_minmax(in.numbers, min, max);
+ cout<< min << " " << max;
+
+
+
+    const size_t SCREEN_WIDTH = 80;
+    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
+    size_t max_count = 0;
+    size_t max_count_bin;
+    size_t number_count;
+    //cerr << "Enter number count: ";
+    //cin >> number_count;
+    //vector<double> numbers(number_count);
+    //cerr << "Enter numbers: ";
+    //for (int i = 0; i < number_count; i++)
+   // {
+    //    cin >> numbers[i];
+   // }
+    //size_t bin_count;
+   // cerr << "Enter bin count: ";
+   // cin >> bin_count;
+//    vector<size_t > bins(bin_count);
 
 
-    }
     double bin_size = ((max - min) / bin_count);
 
     for (size_t i = 0; i < number_count; i++)
@@ -134,6 +244,6 @@ int main()
     {
          cout << "Histogram height is too small";
      }
-
+*/
     return 0;
 }

marks.txt

@@ -0,0 +1,3 @@
+10
+3 3 4 4 4 4 4 5 5 5
+3

svg.cpp

@@ -0,0 +1,104 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include "svg.h"
+using namespace std;
+
+const auto IMAGE_WIDTH = 400;
+const auto IMAGE_HEIGHT = 700;
+const auto TEXT_LEFT = 20;
+const auto TEXT_BASELINE = 20;
+const auto TEXT_WIDTH = 50;
+const auto BIN_HEIGHT = 30;
+const auto BLOCK_WIDTH = 10;
+const auto MAX_WIDTH = IMAGE_WIDTH - TEXT_WIDTH;
+
+void
+svg_text(double left, double baseline, string text) {
+    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
+}
+
+void
+svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "aaaaaa") {
+    cout << "<rect x='" << x<< "' y='" << y<< "' width='" << width<< "' height='" << height<< "' stroke='" << stroke<< "' fill='" << fill << "' />\n";
+}
+
+void
+svg_begin(double width, double height) {
+    cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    cout << "<svg ";
+    cout << "width='" << width << "' ";
+    cout << "height='" << height << "' ";
+    cout << "viewBox='0 0 " << width << " " << height << "' ";
+    cout << "xmlns='http://www.w3.org/2000/svg'>\n";
+}
+
+void
+svg_end() {
+    cout << "</svg>\n";
+}
+
+void
+show_histogram_svg(const vector<size_t>& bins) {
+    const auto MAX_WIDTH = IMAGE_WIDTH - TEXT_WIDTH;
+    size_t max_count = 0;
+    for (size_t x : bins) {
+        if (x > max_count) {
+            max_count = x;
+        }
+    }
+    if (max_count == 0) {
+        max_count = 1;
+    }
+    auto scale_factor = static_cast<double>(MAX_WIDTH) / (max_count * BLOCK_WIDTH);
+    if (scale_factor > 1) {
+        scale_factor = 1;
+    }
+    svg_begin(400, 300);
+    double top = 0;
+    for (size_t bin : bins) {
+        double bin_width = BLOCK_WIDTH * bin * scale_factor;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+        top += BIN_HEIGHT;
+    }
+    svg_end();
+}
+
+void
+svg_rect_hight(double x, double y, double width, double height, string stroke = "black", string fill = "hfhfh") {
+    cout << "<rect x='" << x<< "' y='" << y<< "' width='" << width<< "' height='" << height<< "' stroke='" << stroke<< "' fill='" << fill << "' />\n";
+}
+
+void
+COLUMN_hight_function( double &COLUMN_height ,size_t bin_count,const vector<size_t>& bins){
+    const auto MAX_WIDTH = IMAGE_WIDTH - TEXT_WIDTH;
+    size_t max_count = 0;
+    for (size_t x : bins) {
+        if (x > max_count) {
+            max_count = x;
+        }
+    }
+    if (max_count == 0) {
+        max_count = 1;
+    }
+    auto scale_factor = static_cast<double>(MAX_WIDTH) / (max_count * BLOCK_WIDTH);
+    if (scale_factor > 1) {
+        scale_factor = 1;
+    }
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT );
+    if ((bin_count*COLUMN_height) > IMAGE_HEIGHT ){
+
+             COLUMN_height= static_cast<double>(IMAGE_HEIGHT) / bin_count;
+
+    }
+    double top = 0;
+    for (size_t bin : bins) {
+        double bin_width = BLOCK_WIDTH * bin * scale_factor;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, COLUMN_height);
+        top += COLUMN_height;
+    }
+    svg_end();
+
+}

svg.h

@@ -0,0 +1,10 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+
+#include <vector>
+
+void
+show_histogram_svg(const std::vector<size_t>& bins);
+void
+COLUMN_hight_function( double &COLUMN_height ,size_t bin_count,const std::vector<size_t>& bins);
+#endif // SVG_H_INCLUDED

text.cpp

@@ -0,0 +1,43 @@
+#include <iostream>
+#include "text.h"
+#include <vector>
+
+
+using namespace std;
+
+void
+show_histogram_text(const 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_count = 0;
+    for (size_t s = 0; s < bin_count; s++)
+    {
+        if (bins[s] > max_count)
+        {
+            max_count = bins[s];
+        }
+    }
+    auto kof = static_cast<double>(MAX_ASTERISK) / max_count;
+    if (kof > 1)
+    {
+        kof = 1;
+    }
+    for (size_t bin : bins)
+    {
+        if (bin <100)
+        {
+            cout << " ";
+        }
+        if (bin <10)
+        {
+            cout << " ";
+        }
+        cout << bin << "|";
+        size_t weight = bin * kof;
+        for (size_t t = 0; t < weight; t++)
+        {
+            cout << "*";
+        }
+        cout << endl;
+    }
+}

text.h

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

unittest.cbp

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="unittest" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/unittest" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+				</Compiler>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/unittest" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+		</Compiler>
+		<Unit filename="doctest.h" />
+		<Unit filename="histogram.cpp" />
+		<Unit filename="histogram.h" />
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h" />
+		<Unit filename="unittest.cbp" />
+		<Unit filename="unittest.cpp" />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>

unittest.cpp

@@ -0,0 +1,53 @@
+#define DOCTEST_CONFIG_NO_MULTITHREADING
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include "doctest.h"
+#include "histogram_internal.h"
+#include "svg.h"
+
+TEST_CASE("distinct positive numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({1, 2}, min, max);
+    CHECK(min == 1);
+    CHECK(max == 2);
+}
+TEST_CASE("distinct negative numbers") {
+    double min = -1;
+    double max = -1;
+    find_minmax({-1, -2}, min, max);
+    CHECK(min == -2);
+    CHECK(max == -1);
+}
+TEST_CASE("one number") {
+    double min = 0;
+    double max = 0;
+    find_minmax({1}, min, max);
+    CHECK(min == 1);
+    CHECK(max == 1);
+}
+TEST_CASE("same numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({2, 2}, min, max);
+    CHECK(min == 2);
+    CHECK(max == 2);
+}
+
+
+
+
+
+TEST_CASE("Image height < column height") {
+    double COLUMN_height = 220000;
+    COLUMN_hight_function(COLUMN_height ,5,{23,5,54,6,7});
+    CHECK(COLUMN_height == 140  );
+
+}
+
+TEST_CASE("Image height > column height ") {
+    double COLUMN_height = 100;
+    COLUMN_hight_function(COLUMN_height ,5,{23,5,54,6,7});
+    CHECK(COLUMN_height == 100   );
+
+}
+

unittest.depend

@@ -0,0 +1,71 @@
+# depslib dependency file v1.0
+1716799438 source:c:\users\lenov\desktop\lab03\histogram.cpp
+	"histogram.h"
+	<vector>
+	<iostream>
+
+1716797551 c:\users\lenov\desktop\lab03\histogram.h
+	<vector>
+
+1716828332 source:c:\users\lenov\desktop\lab03\unittest.cpp
+	"doctest.h"
+	"histogram_internal.h"
+	"svg.h"
+
+1716800315 c:\users\lenov\desktop\lab03\doctest.h
+	<signal.h>
+	<ciso646>
+	<cstddef>
+	<ostream>
+	<istream>
+	<type_traits>
+	"doctest_fwd.h"
+	<ctime>
+	<cmath>
+	<climits>
+	<math.h>
+	<new>
+	<cstdio>
+	<cstdlib>
+	<cstring>
+	<limits>
+	<utility>
+	<fstream>
+	<sstream>
+	<iostream>
+	<algorithm>
+	<iomanip>
+	<vector>
+	<atomic>
+	<mutex>
+	<set>
+	<map>
+	<unordered_set>
+	<exception>
+	<stdexcept>
+	<csignal>
+	<cfloat>
+	<cctype>
+	<cstdint>
+	<string>
+	<sys/types.h>
+	<unistd.h>
+	<sys/sysctl.h>
+	<AfxWin.h>
+	<windows.h>
+	<io.h>
+	<sys/time.h>
+	<unistd.h>
+
+1716799551 c:\users\lenov\desktop\lab03\histogram_internal.h
+	<vector>
+
+1716819750 source:c:\users\lenov\desktop\lab03\svg.cpp
+	<iostream>
+	<vector>
+	<string>
+	"svg.h"
+
+1716819918 c:\users\lenov\desktop\lab03\svg.h
+	<vector>
+

unittest.layout

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_layout_file>
+	<FileVersion major="1" minor="0" />
+	<ActiveTarget name="Debug" />
+</CodeBlocks_layout_file>