build:файлы для вывода svg

.gitignore

@@ -2,6 +2,18 @@
 .AppleDouble
 .LSOverride
 
+# Xcode проекты
+lab01.xcodeproj/
+*.xcworkspace/
+xcuserdata/
+
+# Файлы пользовательских настроек Xcode
+*.xcodeproj/project.xcworkspace/xcuserdata/
+*.xcodeproj/xcuserdata/
+UserInterfaceState.xcuserstate
+
+# Системные файлы
+.DS_Store
 # Xcode
 *.xcuserdata/
 *.xcuserstate

histogram.cpp

@@ -0,0 +1,45 @@
+#include "histogram.h"
+#include <vector>
+
+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 < min) {
+            min = x;
+        }
+        else if (x > max) {
+            max = x;
+        }
+    }
+}
+
+vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
+    vector<size_t> bins(bin_count, 0);
+  
+    
+    double min, max;
+    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]++;
+        }
+    }
+    
+    return bins;
+}

histogram.h

@@ -0,0 +1,16 @@
+//
+//  histogram.h
+//  lab01
+//
+//  Created by Светлана Рыбакова on 01.05.2025.
+//
+
+#ifndef histogram_h
+#define histogram_h
+
+#include <vector>
+
+std::vector<size_t>
+make_histogram(const std::vector<double>& numbers, size_t bin_count);
+
+#endif /* histogram_h */

histogram_internal.h

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

main.cpp

@@ -1,84 +1,38 @@
 #include <vector>
 #include <iostream>
-
+#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;
+struct Input {
+    vector<double> numbers;
+    size_t bin_count{};
+};
+
+Input input_data() {
+    Input in;
     size_t number_count;
+    
     cerr << "Enter number count: ";
     cin >> number_count;
-
-    vector<double> numbers(number_count);
+    
+    in.numbers.resize(number_count);
     cerr << "Enter numbers: ";
     for (size_t i = 0; i < number_count; i++) {
-        cin >> numbers[i];
+        cin >> in.numbers[i];
     }
-
-    size_t bin_count;
+    
     cerr << "Enter bin count: ";
-    cin >> bin_count;
-
-    vector<size_t> bins(bin_count, 0);
-
-    double min = numbers[0];
-    double max = numbers[0];
-    for (double x : numbers) {
-        if (x < min) {
-            min = x;
-        }
-        else if (x > max) {
-            max = x;
-        }
-    }
-
-    double bin_size = (max - min) / bin_count;
-
-    for (size_t i = 0; i < number_count; 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]++;
-        }
-    }
-    size_t max_bin_count = 0;
-       for (size_t bin : bins) {
-            if (bin > max_bin_count) {
-                max_bin_count = bin;
-            }
-        }
-   
-    if (max_bin_count <= MAX_ASTERISK) {
-        for (size_t i = 0; i < bin_count; i++) {
-            if (bins[i] < 10) cout << " ";
-            cout << " " << bins[i] << "|";
-            for (size_t j = 0; j < bins[i]; j++) {
-                cout << "*";
-            }
-            cout << endl;
-        }
-    } else {
-        for (size_t i = 0; i < bin_count; i++) {
-            size_t height = static_cast<size_t>(MAX_ASTERISK * (static_cast<double>(bins[i]) / max_bin_count));
-          
-            if (bins[i] < 100) cout << " ";
-            if (bins[i] < 10) cout << " ";
-            cout << bins[i] << "|";
-
-            for (size_t j = 0; j < height; j++) {
-                cout << "*";
-            }
-            cout << endl;
-        }
-    }
+    cin >> in.bin_count;
+    
+    return in;
+}
 
+int main() {
+    auto in = input_data();
+    auto bins = make_histogram(in.numbers, in.bin_count);
+    show_histogram_svg(bins);
+    
     return 0;
 }

marks.svg

@@ -0,0 +1,3 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<svg width='400' height='300' viewBox='0 0 400 300' xmlns='http://www.w3.org/2000/svg'>
+</svg>

marks.txt

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

svg.cpp

@@ -0,0 +1,58 @@
+#include "svg.h"
+#include <iostream>
+
+using namespace std;
+
+void svg_begin(double width, double height) {
+    cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    cout << "<svg ";
+    cout << "width='" << width << "' 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, const string& text) {
+    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>\n";
+}
+
+void svg_rect(double x, double y, double width, double height,
+              const string& stroke, const string& fill) {
+    cout << "<rect x='" << x << "' y='" << y << "' width='" << width
+         << "' height='" << height
+         << "' stroke='" << stroke
+         << "' fill='" << fill << "' />\n";
+}
+
+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;
+
+    size_t max_count = 0;
+    for (size_t count : bins) {
+        if (count > max_count) {
+            max_count = count;
+        }
+    }
+
+    double BLOCK_WIDTH = (IMAGE_WIDTH - TEXT_WIDTH) / static_cast<double>(max_count);
+
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+
+    double top = 0;
+    for (size_t bin : bins) {
+        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, "blue", "#aaaaff");
+        top += BIN_HEIGHT;
+    }
+
+    svg_end();
+}

svg.h

@@ -0,0 +1,15 @@
+#ifndef SVG_H
+#define SVG_H
+
+#include <vector>
+#include <string>
+
+void svg_begin(double width, double height);
+void svg_end();
+void svg_text(double left, double baseline, const std::string& text);
+void svg_rect(double x, double y, double width, double height,
+              const std::string& stroke = "black",
+              const std::string& fill = "black");
+void show_histogram_svg(const std::vector<size_t>& bins);
+
+#endif // SVG_H

text.cpp

@@ -0,0 +1,40 @@
+#include "text.h"
+#include <iostream>
+
+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 - 4;
+    
+    size_t max_bin_count = 0;
+    for (size_t bin : bins) {
+        if (bin > max_bin_count) {
+            max_bin_count = bin;
+        }
+    }
+    
+    if (max_bin_count <= MAX_ASTERISK) {
+        for (size_t bin : bins) {
+            if (bin < 10) cout << " ";
+            cout << " " << bin << "|";
+            for (size_t j = 0; j < bin; j++) {
+                cout << "*";
+            }
+            cout << endl;
+        }
+    } else {
+        for (size_t bin : bins) {
+            size_t height = static_cast<size_t>(MAX_ASTERISK * (static_cast<double>(bin) / max_bin_count));
+            
+            if (bin < 100) cout << " ";
+            if (bin < 10) cout << " ";
+            cout << bin << "|";
+            
+            for (size_t j = 0; j < height; j++) {
+                cout << "*";
+            }
+            cout << endl;
+        }
+    }
+}

text.h

@@ -0,0 +1,8 @@
+#ifndef TEXT_H_INCLUDED
+#define TEXT_H_INCLUDED
+
+#include <vector>
+
+void show_histogram_text(const std::vector<size_t>& bins);
+
+#endif // TEXT_H_INCLUDED

unittest.cpp

@@ -0,0 +1,39 @@
+
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include "doctest.h"
+#include "histogram_internal.h"
+
+TEST_CASE("Test find_minmax with distinct positive numbers") {
+    double min, max;
+    find_minmax({1, 2}, min, max);
+    CHECK(min == 1);
+    CHECK(max == 2);
+}
+
+TEST_CASE("Test find_minmax with single element") {
+    double min, max;
+    find_minmax({5}, min, max);
+    CHECK(min == 5);
+    CHECK(max == 5);
+}
+
+TEST_CASE("Test find_minmax with negative numbers") {
+    double min, max;
+    find_minmax({-3, -1, -2}, min, max);
+    CHECK(min == -3);
+    CHECK(max == -1);
+}
+
+TEST_CASE("Test find_minmax with equal elements") {
+    double min, max;
+    find_minmax({7, 7, 7}, min, max);
+    CHECK(min == 7);
+    CHECK(max == 7);
+
+}
+TEST_CASE("Mixed positive and negative numbers") {
+    double min, max;
+    find_minmax({-5.0, 0.0, 5.0}, min, max);
+    CHECK(min == -5.0);
+    CHECK(max == 5.0);
+}

unittest.xcodeproj/project.pbxproj

@@ -7,11 +7,12 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
-		356052752DC3A6B7003C360D /* main.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 356052742DC3A6B7003C360D /* main.cpp */; };
+		3595A9962DC3B5DF0027AF89 /* histogram.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 3595A9952DC3B5DF0027AF89 /* histogram.cpp */; };
+		3595A9992DC3B6080027AF89 /* unittest.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 3595A9982DC3B6080027AF89 /* unittest.cpp */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
-		3560526F2DC3A6B7003C360D /* CopyFiles */ = {
+		3560529E2DC3B4B2003C360D /* CopyFiles */ = {
 			isa = PBXCopyFilesBuildPhase;
 			buildActionMask = 2147483647;
 			dstPath = /usr/share/man/man1/;
@@ -23,12 +24,15 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
-		356052712DC3A6B7003C360D /* lab01 */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = lab01; sourceTree = BUILT_PRODUCTS_DIR; };
-		356052742DC3A6B7003C360D /* main.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = main.cpp; sourceTree = "<group>"; };
+		356052A02DC3B4B2003C360D /* unittest */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = unittest; sourceTree = BUILT_PRODUCTS_DIR; };
+		3595A9952DC3B5DF0027AF89 /* histogram.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = histogram.cpp; sourceTree = "<group>"; };
+		3595A9972DC3B5EC0027AF89 /* histogram_internal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = histogram_internal.h; sourceTree = "<group>"; };
+		3595A9982DC3B6080027AF89 /* unittest.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = unittest.cpp; sourceTree = "<group>"; };
+		3595A99A2DC3B6930027AF89 /* doctest.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = doctest.h; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
-		3560526E2DC3A6B7003C360D /* Frameworks */ = {
+		3560529D2DC3B4B2003C360D /* Frameworks */ = {
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -38,18 +42,21 @@
 /* End PBXFrameworksBuildPhase section */
 
 /* Begin PBXGroup section */
-		356052682DC3A6B7003C360D = {
+		356052972DC3B4B2003C360D = {
 			isa = PBXGroup;
 			children = (
-				356052742DC3A6B7003C360D /* main.cpp */,
-				356052722DC3A6B7003C360D /* Products */,
+				3595A9982DC3B6080027AF89 /* unittest.cpp */,
+				3595A99A2DC3B6930027AF89 /* doctest.h */,
+				3595A9972DC3B5EC0027AF89 /* histogram_internal.h */,
+				3595A9952DC3B5DF0027AF89 /* histogram.cpp */,
+				356052A12DC3B4B2003C360D /* Products */,
 			);
 			sourceTree = "<group>";
 		};
-		356052722DC3A6B7003C360D /* Products */ = {
+		356052A12DC3B4B2003C360D /* Products */ = {
 			isa = PBXGroup;
 			children = (
-				356052712DC3A6B7003C360D /* lab01 */,
+				356052A02DC3B4B2003C360D /* unittest */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -57,38 +64,38 @@
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
-		356052702DC3A6B7003C360D /* lab01 */ = {
+		3560529F2DC3B4B2003C360D /* unittest */ = {
 			isa = PBXNativeTarget;
-			buildConfigurationList = 356052782DC3A6B7003C360D /* Build configuration list for PBXNativeTarget "lab01" */;
+			buildConfigurationList = 356052A72DC3B4B2003C360D /* Build configuration list for PBXNativeTarget "unittest" */;
 			buildPhases = (
-				3560526D2DC3A6B7003C360D /* Sources */,
-				3560526E2DC3A6B7003C360D /* Frameworks */,
-				3560526F2DC3A6B7003C360D /* CopyFiles */,
+				3560529C2DC3B4B2003C360D /* Sources */,
+				3560529D2DC3B4B2003C360D /* Frameworks */,
+				3560529E2DC3B4B2003C360D /* CopyFiles */,
 			);
 			buildRules = (
 			);
 			dependencies = (
 			);
-			name = lab01;
-			productName = lab01;
-			productReference = 356052712DC3A6B7003C360D /* lab01 */;
+			name = unittest;
+			productName = unittest;
+			productReference = 356052A02DC3B4B2003C360D /* unittest */;
 			productType = "com.apple.product-type.tool";
 		};
 /* End PBXNativeTarget section */
 
 /* Begin PBXProject section */
-		356052692DC3A6B7003C360D /* Project object */ = {
+		356052982DC3B4B2003C360D /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
 				BuildIndependentTargetsInParallel = 1;
 				LastUpgradeCheck = 1540;
 				TargetAttributes = {
-					356052702DC3A6B7003C360D = {
+					3560529F2DC3B4B2003C360D = {
 						CreatedOnToolsVersion = 15.4;
 					};
 				};
 			};
-			buildConfigurationList = 3560526C2DC3A6B7003C360D /* Build configuration list for PBXProject "lab01" */;
+			buildConfigurationList = 3560529B2DC3B4B2003C360D /* Build configuration list for PBXProject "unittest" */;
 			compatibilityVersion = "Xcode 14.0";
 			developmentRegion = en;
 			hasScannedForEncodings = 0;
@@ -96,29 +103,30 @@
 				en,
 				Base,
 			);
-			mainGroup = 356052682DC3A6B7003C360D;
-			productRefGroup = 356052722DC3A6B7003C360D /* Products */;
+			mainGroup = 356052972DC3B4B2003C360D;
+			productRefGroup = 356052A12DC3B4B2003C360D /* Products */;
 			projectDirPath = "";
 			projectRoot = "";
 			targets = (
-				356052702DC3A6B7003C360D /* lab01 */,
+				3560529F2DC3B4B2003C360D /* unittest */,
 			);
 		};
 /* End PBXProject section */
 
 /* Begin PBXSourcesBuildPhase section */
-		3560526D2DC3A6B7003C360D /* Sources */ = {
+		3560529C2DC3B4B2003C360D /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				356052752DC3A6B7003C360D /* main.cpp in Sources */,
+				3595A9962DC3B5DF0027AF89 /* histogram.cpp in Sources */,
+				3595A9992DC3B6080027AF89 /* unittest.cpp in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 /* End PBXSourcesBuildPhase section */
 
 /* Begin XCBuildConfiguration section */
-		356052762DC3A6B7003C360D /* Debug */ = {
+		356052A52DC3B4B2003C360D /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
@@ -179,7 +187,7 @@
 			};
 			name = Debug;
 		};
-		356052772DC3A6B7003C360D /* Release */ = {
+		356052A62DC3B4B2003C360D /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
@@ -233,7 +241,7 @@
 			};
 			name = Release;
 		};
-		356052792DC3A6B7003C360D /* Debug */ = {
+		356052A82DC3B4B2003C360D /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
@@ -241,7 +249,7 @@
 			};
 			name = Debug;
 		};
-		3560527A2DC3A6B7003C360D /* Release */ = {
+		356052A92DC3B4B2003C360D /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				CODE_SIGN_STYLE = Automatic;
@@ -252,25 +260,25 @@
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
-		3560526C2DC3A6B7003C360D /* Build configuration list for PBXProject "lab01" */ = {
+		3560529B2DC3B4B2003C360D /* Build configuration list for PBXProject "unittest" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				356052762DC3A6B7003C360D /* Debug */,
-				356052772DC3A6B7003C360D /* Release */,
+				356052A52DC3B4B2003C360D /* Debug */,
+				356052A62DC3B4B2003C360D /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
-		356052782DC3A6B7003C360D /* Build configuration list for PBXNativeTarget "lab01" */ = {
+		356052A72DC3B4B2003C360D /* Build configuration list for PBXNativeTarget "unittest" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				356052792DC3A6B7003C360D /* Debug */,
-				3560527A2DC3A6B7003C360D /* Release */,
+				356052A82DC3B4B2003C360D /* Debug */,
+				356052A92DC3B4B2003C360D /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};
-	rootObject = 356052692DC3A6B7003C360D /* Project object */;
+	rootObject = 356052982DC3B4B2003C360D /* Project object */;
 }