Родитель
9b6ea55a38
Сommit
a1b945b513
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@ -1,10 +1,9 @@
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#ifndef HISTOGRAM_H_INCLUDED
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#define HISTOGRAM_H_INCLUDED
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#pragma once
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#include <vector>
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std::vector<size_t>
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std::vector<long long unsigned int>
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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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//void
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//show_histogram_text(std::vector<double> bins, const std::vector<double>& numbers, size_t bin_count);
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//
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@ -1,6 +1,6 @@
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#ifndef HISTOGRAM_INTERNAL_H_INCLUDED
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#define HISTOGRAM_INTERNAL_H_INCLUDED
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find_minmax(const std::vector<double>& numbers, double& min, double& max)
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void
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find_minmax(const std::vector<double>& numbers, double& min, double& max);
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#endif // HISTOGRAM_INTERNAL_H_INCLUDED
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10
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3 3 4 4 4 4 4 5 5 5
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3
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#include "svg.h"
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#include <iostream>
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#include <vector>
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using namespace std;
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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 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 << fill << fill << "' />";
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}
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void
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show_histogram_svg(const vector<double>& bins, int BLOCK_WIDTH)
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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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svg_begin(400, 300);
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double top = 0;
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const size_t MAX_ASTERISK = IMAGE_WIDTH - TEXT_WIDTH;
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auto maxb = bins[0];
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for (size_t j = 1; j < bins.size(); j++)
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{
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if (bins[j] > maxb) maxb = bins[j];
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}
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auto maxb1 = maxb * BLOCK_WIDTH;
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for (size_t bin : bins)
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{
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double bin_width;
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int color = (10 - (bin * 9) / maxb);
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if (maxb1 > MAX_ASTERISK)
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{
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bin_width = BLOCK_WIDTH * MAX_ASTERISK * (bin / maxb1);
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}
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else bin_width = BLOCK_WIDTH * bin;
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svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
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svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "violet", to_string(color));
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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 +1,5 @@
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#pragma once
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#include <vector>
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void
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show_histogram_svg(const std::vector<long long unsigned int>& bins, int BLOCK_WIDTH);
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@ -0,0 +1,36 @@
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#define DOCTEST_CONFIG_NO_MULTITHREADING
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#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
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#include "doctest.h"
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#include "histogram_internal.h"
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TEST_CASE("distinct positive numbers") {
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double min = 0;
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double max = 0;
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find_minmax({1, 2}, min, max);
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CHECK(min == 1);
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CHECK(max == 2);
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}
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TEST_CASE("distinct identical numbers") {
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double min = 0;
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double max = 0;
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find_minmax({5, 5}, min, max);
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CHECK(min == 5);
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CHECK(max == 5);
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}
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TEST_CASE("distinct one number") {
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double min = 0;
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double max = 0;
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find_minmax({3}, min, max);
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CHECK(min == 3);
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CHECK(max == 3);
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}
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TEST_CASE("distinct negative numbers") {
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double min = 0;
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double max = 0;
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find_minmax({-3, -1}, min, max);
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CHECK(min == -3);
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CHECK(max == -1);
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}
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# depslib dependency file v1.0
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1680530029 source:c:\program files\codeblocks\devlab1\histogram.cpp
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"histogram.h"
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<vector>
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1680530141 c:\program files\codeblocks\devlab1\histogram.h
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<vector>
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1681719645 source:c:\program files\codeblocks\devlab1\unittest.cpp
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"doctest.h"
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"histogram_internal.h"
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1681707623 c:\program files\codeblocks\devlab1\doctest.h
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<signal.h>
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<ciso646>
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<cstddef>
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<ostream>
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<istream>
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<type_traits>
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"doctest_fwd.h"
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<ctime>
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<cmath>
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<climits>
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<math.h>
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<new>
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<cstdio>
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<cstdlib>
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<cstring>
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<limits>
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<utility>
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<fstream>
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<sstream>
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<iostream>
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<algorithm>
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<iomanip>
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<vector>
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<atomic>
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<mutex>
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<set>
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<map>
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<unordered_set>
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<exception>
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<stdexcept>
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<csignal>
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<cfloat>
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<cctype>
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<cstdint>
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<string>
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<sys/types.h>
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<unistd.h>
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<sys/sysctl.h>
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<AfxWin.h>
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<windows.h>
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<io.h>
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<sys/time.h>
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<unistd.h>
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1681730258 c:\program files\codeblocks\devlab1\histogram_internal.h
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