first commit

Lab1.cbp

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+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="Lab1" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/Lab1" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+					<Add directory="include" />
+				</Compiler>
+				<Linker>
+					<Add option="-static-libstdc++" />
+				</Linker>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/Lab1" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+					<Add directory="include" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+			<Add option="-fexceptions" />
+		</Compiler>
+		<Unit filename="histogram.cpp">
+			<Option target="Debug" />
+		</Unit>
+		<Unit filename="histogram.h">
+			<Option target="Debug" />
+		</Unit>
+		<Unit filename="histogram_internal.h">
+			<Option target="&lt;{~None~}&gt;" />
+		</Unit>
+		<Unit filename="main.cpp" />
+		<Unit filename="prot.cpp" />
+		<Unit filename="prot.h" />
+		<Unit filename="svg.cpp" />
+		<Unit filename="svg.h" />
+		<Unit filename="text.cpp">
+			<Option target="Debug" />
+		</Unit>
+		<Unit filename="text.h">
+			<Option target="Debug" />
+		</Unit>
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>

histogram.cpp

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+#include "histogram.h"
+
+std::vector<size_t> make_histogram(std::vector<double> numbers, size_t bin_count)
+{
+    double max;
+    double min;
+    std::vector<size_t> bins;
+    bins.resize(bin_count);
+    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]) && (hi > numbers[i])) {
+                bins[j]++;
+                found = true;
+            }
+        }
+        if (!found) {
+            bins[bin_count - 1]++;
+        }
+    }
+    return bins;
+}
+
+
+bool find_minmax(std::vector<double> numbers, double& min, double& max) {
+    if(numbers.size()==0){
+        return false;
+    }
+    min = numbers[0];
+    max = numbers[0];
+
+    for (double number : numbers) {
+        if (min > number) {
+            min = number;
+        }
+        if (max < number) {
+            max = number;
+        }
+    }
+    return true;
+}

histogram.h

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+#ifndef HISTOGRAM_H_INCLUDED
+#define HISTOGRAM_H_INCLUDED
+
+#include <vector>
+
+
+bool find_minmax(std::vector<double> numbers, double& min, double& max);
+std::vector<size_t> make_histogram(std::vector<double> numbers, size_t bin_count);
+
+#endif // HISTOGRAM_H_INCLUDED