Доделал вывод в svg

histogram.cpp

@@ -0,0 +1,72 @@
+#include <vector>
+#include "histogram_internal.h"
+using namespace std;
+
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+
+    vector<size_t> bins(bin_count);
+    vector<size_t> binss(bin_count);
+
+    double max, min;
+    find_minmax(numbers, min, max);
+    double bin_size = (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 * bin_size;
+            auto hi = min + (j + 1) * bin_size;
+            if ((lo <= numbers[i]) && (numbers[i] < hi)) {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found) {
+            bins[bin_count - 1]++;
+        }
+    }
+
+    int max_count = bins[0];
+    for (size_t i = 0; i < bin_count; i++) {
+        if (bins[i] > max_count) {
+            max_count = bins[i];
+        }
+    }
+
+    if (max_count > 76) {
+
+        for (size_t i = 0; i < bin_count; i++) {
+            int count = bins[i];
+            size_t height = 76 * (static_cast<double>(count) / max_count);
+            bins[i] = height;
+        }
+    }
+    return bins;
+} 
+
+bool find_minmax(const vector<double>& numbers, double& min, double& max) {
+    if (numbers.size() == 0) {
+        return false;
+    }
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (
+            numbers[i] < 0
+            ) return false;
+    }
+
+    min = numbers[0];
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (numbers[i] < min) {
+            min = numbers[i];
+        }
+    }
+
+    max = numbers[0];
+    for (auto i = 0; i < numbers.size(); i++) {
+        if (numbers[i] > max) {
+            max = numbers[i];
+        }
+    }
+    return true;
+}

histogram.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <vector>
+
+std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);
+void find_minmax(const  std::vector<double>& numbers, double& min, double& max);

histogram_internal.h

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

lab1.cpp

@@ -1,9 +1,11 @@
-// lab1.cpp : Этот файл содержит функцию "main". Здесь начинается и заканчивается выполнение программы.
+
-//
 
 #include <iostream>
 #include <vector>
 #include <cmath>
+#include "histogram.h"
+#include "text.h"
+#include "svg.h"
 
 using namespace std;
 
@@ -21,90 +23,15 @@ input_data() {
     Input in;
     in.numbers.resize(number_count);
 
-    for (size_t i = 0; i < number_count; i++) {
+        for (size_t i = 0; i < number_count; i++) {
-        cin >> in.numbers[i];
+            cin >> in.numbers[i];
-    }
+        }
 
-    cout << "Enter number of bins";
     cin >> in.bin_count;
     return in;
 }
 
-void find_minmax(const vector<double>& numbers, double& min, double& max) {
-    min = numbers[0];
-    for (auto i = 0; i < numbers.size(); i++) {
-        if (numbers[i] < min) {
-            min = numbers[i];
-        }
-    }
 
-    max = numbers[0];
-    for (auto i = 0; i < numbers.size(); i++) {
-        if (numbers[i] > max) {
-            max = numbers[i];
-        }
-    }
-
-}
-
-vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
-
-    vector<size_t> bins(bin_count);
-    vector<size_t> binss(bin_count);
-
-    double max, min;
-    find_minmax(numbers, min, max);
-    double bin_size = (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 * bin_size;
-            auto hi = min + (j + 1) * bin_size;
-            if ((lo <= numbers[i]) && (numbers[i] < hi)) {
-                bins[j]++;
-                found = true;
-            }
-        }
-        if (!found) {
-            bins[bin_count - 1]++;
-        }
-    }
-
-    int max_count = bins[0];
-    for (size_t i = 0; i < bin_count; i++) {
-        if (bins[i] > max_count) {
-            max_count = bins[i];
-        }
-    }
-
-    if (max_count > 76) {
-
-        for (size_t i = 0; i < bin_count; i++) {
-            int count = bins[i];
-            size_t height = 76 * (static_cast<double>(count) / max_count);
-            bins[i] = height;
-        }
-    }
-    return bins;
-}
-
-void show_histogram_text(vector <size_t> bins, size_t bin_count ) {
-
-    for (size_t i = 0; i < bin_count; i++) {
-        if (bins[i] < 100) {
-            cout << " ";
-        }
-        if (bins[i] < 10) {
-            cout << " ";
-        }
-        cout << bins[i] << "|";
-        for (size_t j = 0; j < bins[i]; j++) {
-            cout << "*";
-        }
-        cout << "\n";
-    }
-}
 
 
 
@@ -112,31 +39,7 @@ int main()
 {   
     Input in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins, in.bin_count);
+    //show_histogram_text(bins, in.bin_count);
-
+    show_histogram_svg(bins);
-
-    }
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
 
+    }

lab1.sln

@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.3.32922.545
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "lab1", "lab1.vcxproj", "{E29B0ECE-B766-48CE-A826-ACFB8EFF2990}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E29B0ECE-B766-48CE-A826-ACFB8EFF2990}.Debug|x64.ActiveCfg = Debug|x64
+		{E29B0ECE-B766-48CE-A826-ACFB8EFF2990}.Debug|x64.Build.0 = Debug|x64
+		{E29B0ECE-B766-48CE-A826-ACFB8EFF2990}.Debug|x86.ActiveCfg = Debug|Win32
+		{E29B0ECE-B766-48CE-A826-ACFB8EFF2990}.Debug|x86.Build.0 = Debug|Win32
+		{E29B0ECE-B766-48CE-A826-ACFB8EFF2990}.Release|x64.ActiveCfg = Release|x64
+		{E29B0ECE-B766-48CE-A826-ACFB8EFF2990}.Release|x64.Build.0 = Release|x64
+		{E29B0ECE-B766-48CE-A826-ACFB8EFF2990}.Release|x86.ActiveCfg = Release|Win32
+		{E29B0ECE-B766-48CE-A826-ACFB8EFF2990}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {5DF3BD0D-8660-486C-B0A4-A7F22876A15B}
+	EndGlobalSection
+EndGlobal

lab1.vcxproj

@@ -127,7 +127,15 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="histogram.cpp" />
     <ClCompile Include="lab1.cpp" />
+    <ClCompile Include="svg.cpp" />
+    <ClCompile Include="text.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="histogram.h" />
+    <ClInclude Include="svg.h" />
+    <ClInclude Include="text.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

lab1.vcxproj.filters

@@ -18,5 +18,25 @@
     <ClCompile Include="lab1.cpp">
       <Filter>Исходные файлы</Filter>
     </ClCompile>
+    <ClCompile Include="histogram.cpp">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="text.cpp">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="svg.cpp">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="histogram.h">
+      <Filter>Исходные файлы</Filter>
+    </ClInclude>
+    <ClInclude Include="text.h">
+      <Filter>Исходные файлы</Filter>
+    </ClInclude>
+    <ClInclude Include="svg.h">
+      <Filter>Исходные файлы</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

marks.txt

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

svg.cpp

@@ -0,0 +1,53 @@
+#include <iostream>
+#include "svg.h"
+#include <string>
+
+using namespace std;
+
+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
+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, string fill) {
+    cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << "'>" << "</rect>";
+}
+
+void show_histogram_svg(const vector<size_t>& bins) {
+    const auto IMAGE_WIDTH = 400;
+    const auto IMAGE_HEIGHT = 300;
+    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;
+
+    svg_begin(400, 300);
+    //svg_text(20, 20, to_string(bins[0]));
+    //svg_rect(50, 0, bins[0] * 10, 30);
+    double top = 0;
+    for (size_t bin : bins) {
+        const double bin_width = BLOCK_WIDTH * bin;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "red", "#ffeeee");
+        top += BIN_HEIGHT;
+    }
+
+    svg_end();
+}

svg.h

@@ -0,0 +1,9 @@
+#pragma once
+#include <string>
+#include <vector>
+
+void svg_begin(double width, double height);
+void svg_end();
+void svg_text(double left, double baseline, std::string text);
+void svg_rect(double x, double y, double width, double height, std::string stroke, std::string fill);
+void show_histogram_svg(const std::vector<size_t>& bins);

text.cpp

@@ -0,0 +1,23 @@
+#include <vector>
+#include "text.h"
+#include <iostream>
+
+
+using namespace std;
+
+void show_histogram_text(vector <size_t> bins, size_t bin_count) {
+
+    for (size_t i = 0; i < bin_count; i++) {
+        if (bins[i] < 100) {
+            cout << " ";
+        }
+        if (bins[i] < 10) {
+            cout << " ";
+        }
+        cout << bins[i] << "|";
+        for (size_t j = 0; j < bins[i]; j++) {
+            cout << "*";
+        }
+        cout << "\n";
+    }
+}

text.h

@@ -0,0 +1,5 @@
+#pragma once
+#include <vector>
+
+
+void show_histogram_text(std:: vector <size_t> bins, size_t bin_count);

unittest.cpp

@@ -0,0 +1,19 @@
+#define DOCTEST_CONFIG_NO_MULTITHREADING
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include "doctest.h"
+#include "histogram_internal.h"
+
+TEST_CASE("distinct positive numbers") {
+    double min = 0;
+    double max = 0;
+    find_minmax({ 1, 2 }, min, max);    
+    CHECK(min == 1);
+    CHECK(max == 2);
+
+    find_minmax({ 1 }, min, max);
+    CHECK(min == max);
+    CHECK(find_minmax({ -1 }, min, max) == false);
+    find_minmax({ 2, 2, 2, 2 }, min, max);
+    CHECK(min == max);
+
+}

unittest.sln

@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.3.32922.545
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "unittest", "unittest.vcxproj", "{99DA5545-A03C-4CBF-ACF9-36AD991CB01A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{99DA5545-A03C-4CBF-ACF9-36AD991CB01A}.Debug|x64.ActiveCfg = Debug|x64
+		{99DA5545-A03C-4CBF-ACF9-36AD991CB01A}.Debug|x64.Build.0 = Debug|x64
+		{99DA5545-A03C-4CBF-ACF9-36AD991CB01A}.Debug|x86.ActiveCfg = Debug|Win32
+		{99DA5545-A03C-4CBF-ACF9-36AD991CB01A}.Debug|x86.Build.0 = Debug|Win32
+		{99DA5545-A03C-4CBF-ACF9-36AD991CB01A}.Release|x64.ActiveCfg = Release|x64
+		{99DA5545-A03C-4CBF-ACF9-36AD991CB01A}.Release|x64.Build.0 = Release|x64
+		{99DA5545-A03C-4CBF-ACF9-36AD991CB01A}.Release|x86.ActiveCfg = Release|Win32
+		{99DA5545-A03C-4CBF-ACF9-36AD991CB01A}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {9DA0C222-DBC8-4A64-9BC8-C6F2617E73C3}
+	EndGlobalSection
+EndGlobal

unittest.vcxproj

@@ -0,0 +1,139 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{99da5545-a03c-4cbf-acf9-36ad991cb01a}</ProjectGuid>
+    <RootNamespace>unittest</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
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+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
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+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
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+    <CharacterSet>Unicode</CharacterSet>
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+    <ConfigurationType>Application</ConfigurationType>
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+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+      <SDLCheck>true</SDLCheck>
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+      <ConformanceMode>true</ConformanceMode>
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+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
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+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
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+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
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+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="histogram.cpp" />
+    <ClCompile Include="unittest.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="histogram_internal.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

unittest.vcxproj.filters

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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+      <Filter>Исходные файлы</Filter>
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