ShchipkovMY
2 лет назад
Родитель
1cad116253
Сommit
dcdd93bc5e
@ -0,0 +1,59 @@
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#include "histogram.h"
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#include <iostream>
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#include <vector>
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using namespace std;
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bool find_minmax( vector<double> numbers, double &min, double &max)
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{
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if (numbers.empty())
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{
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return false;
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}
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min = numbers[0];
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max = numbers[0];
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for (double x : numbers)
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{
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max = x;
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if (x < min)
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{
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min = x;
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}
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else if (x > max)
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{
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max = x;
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}
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}
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return true;
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}
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vector<size_t> make_histogram (vector<double> numbers, size_t bin_count)
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{
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double min;
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double max;
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find_minmax (numbers, min, max);
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double bin_size = (max - min) / bin_count;
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vector<size_t> bins(bin_count);
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for (size_t i = 0; i < numbers.size(); i++)
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{
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bool found = false;
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for (size_t j = 0; (j < bin_count - 1) && !found; j++)
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{
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auto lo = min + j * bin_size;
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auto hi = min + (j + 1) * bin_size;
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if ((lo <= numbers[i]) && (numbers[i] < hi))
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{
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bins[j]++;
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found = true;
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}
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}
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if (!found)
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{
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bins[bin_count - 1]++;
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}
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}
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return bins;
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}
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@ -0,0 +1,6 @@
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#ifndef HISTOGRAM_H_INCLUDED
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#define HISTOGRAM_H_INCLUDED
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#include <vector>
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std::vector<size_t>
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make_histogram(const std::vector<double> numbers, size_t bin_count);
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#endif // HISTOGRAM_H_INCLUDED
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@ -0,0 +1,40 @@
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<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
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<CodeBlocks_project_file>
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<FileVersion major="1" minor="6" />
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<Project>
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<Option title="lab_4" />
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<Option pch_mode="2" />
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<Option compiler="gcc" />
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<Build>
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<Target title="Debug">
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<Option output="bin/Debug/lab_4" prefix_auto="1" extension_auto="1" />
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<Option object_output="obj/Debug/" />
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<Option type="1" />
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<Option compiler="gcc" />
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<Compiler>
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<Add option="-g" />
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</Compiler>
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</Target>
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<Target title="Release">
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<Option output="bin/Release/lab_4" prefix_auto="1" extension_auto="1" />
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<Option object_output="obj/Release/" />
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<Option type="1" />
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<Option compiler="gcc" />
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<Compiler>
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<Add option="-O2" />
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</Compiler>
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<Linker>
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<Add option="-s" />
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</Linker>
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</Target>
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</Build>
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<Compiler>
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<Add option="-Wall" />
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<Add option="-fexceptions" />
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</Compiler>
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<Unit filename="main.cpp" />
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<Extensions>
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<lib_finder disable_auto="1" />
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</Extensions>
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</Project>
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</CodeBlocks_project_file>
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@ -0,0 +1,16 @@
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#include <math.h>
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#include <iostream>
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#include <conio.h>
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#include <vector>
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#include <string>
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using namespace std;
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double sr(const vector<size_t>& bins) {
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size_t totalHeight = 0;
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for (size_t bin : bins) {
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totalHeight += bin;
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}
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return static_cast<double>(totalHeight) / bins.size();
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}
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@ -0,0 +1,7 @@
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#ifndef SR_H_INCLUDED
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#define SR_H_INCLUDED
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#include <vector>
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double sr(const std::vector<size_t>& bins);
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#endif // SR_H_INCLUDED
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@ -0,0 +1,98 @@
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#include <math.h>
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#include <iostream>
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#include <conio.h>
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#include <vector>
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#include <string>
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#include "svg.h"
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//#include "sr.h"
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//using namespace std;
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//
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//double sr(const vector<size_t>& bins) {
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// size_t totalHeight = 0;
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// for (size_t bin : bins) {
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// totalHeight += bin;
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// }
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//
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// return static_cast<double>(totalHeight) / bins.size();
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//}
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void
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svg_begin(double width, double height)
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{
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cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
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cout << "<svg ";
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cout << "width='" << width << "' ";
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cout << "height='" << height << "' ";
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cout << "viewBox='0 0 " << width << " " << height << "' ";
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cout << "xmlns='http://www.w3.org/2000/svg'>\n";
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}
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void
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svg_end()
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{
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cout << "</svg>\n";
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}
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void
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svg_text(double left, double baseline, string text)
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{
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cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
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}
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void
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svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "black")
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{
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cout << "<rect x='"<<x<<"' y='"<<y<<"' width='"<<width<<"' height='"<<height<<"' stroke='"<<stroke<<"' fill='"<<fill<<"' />";
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}
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void
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show_histogram_svg(const vector<size_t>& bins)
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{
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const auto IMAGE_WIDTH = 400;
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const auto IMAGE_HEIGHT = 300;
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const auto TEXT_LEFT = 20;
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const auto TEXT_BASELINE = 20;
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const auto TEXT_WIDTH = 50;
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const auto BIN_HEIGHT = 30;
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const auto BLOCK_WIDTH = 10;
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const auto BLACK = "black";
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const auto RED = "red";
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const auto GREEN = "green";
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const auto MAX_WIDTH = IMAGE_WIDTH-TEXT_WIDTH;
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size_t x = sr(bins);
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svg_begin(IMAGE_WIDTH,IMAGE_HEIGHT);
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double top = 0;
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double max_count = bins[0];
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for (size_t i = 0; i < bins.size(); i++)
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{
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if (max_count<bins[i])
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{
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max_count=bins[i];
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}
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}
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for (size_t bin : bins)
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{
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double bin_width = (MAX_WIDTH)*(bin/max_count);
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svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
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if (bin_width<=MAX_WIDTH/max_count*x)
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{
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svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, BLACK, GREEN);
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}
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else{
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svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, BLACK, RED);
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}
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top += BIN_HEIGHT;
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}
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svg_end();
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}
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@ -0,0 +1,8 @@
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#ifndef SVG_H_INCLUDED
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#define SVG_H_INCLUDED
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#include <vector>
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void
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show_histogram_svg(const std::vector<size_t>& bins);
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#endif // SVG_H_INCLUDED
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@ -0,0 +1,53 @@
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#include <iostream>
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#include <vector>
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#include "text.h"
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using namespace std;
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void show_histogram_text(vector<size_t> bins, size_t bin_count)
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{
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const size_t screen_width = 80;
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const size_t max_asterisk = screen_width - 3 - 1;
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size_t i,j;
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double max_count;
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max_count = bins[0];
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for (i=0; i< bin_count; i++)
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{
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if (max_count<bins[i])
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{
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max_count=bins[i];
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}
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}
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size_t height;
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bool flag = false;
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if(max_count>max_asterisk)
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{
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flag=true;
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}
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for (j = 0; j < bin_count; j++)
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{
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if (bins[j] < 100)
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{
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cout << " ";
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}
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if (bins[j] < 10)
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{
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cout << " ";
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}
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cout << bins[j] << "|";
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if (flag)
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{
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height = max_asterisk * (static_cast<double>(bins[j]) / max_count);
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}
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else
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{
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height=bins[j];
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}
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for (i = 0; i < height; i++)
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{
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cout << "*";
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}
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cout << endl;
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}
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}
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@ -0,0 +1,7 @@
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#ifndef TEXT_H_INCLUDED
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#define TEXT_H_INCLUDED
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void
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show_histogram_text(std::vector<size_t> bins, size_t bin_count);
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#endif // TEXT_H_INCLUDED
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