code: добавлен вывод процентов
Этот коммит содержится в:
@@ -1,6 +1,10 @@
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#include "histogram.h"
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void find_minmax(vector<double> vec, double& min, double& max) {
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#include <cmath>
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bool find_minmax(vector<double> vec, double& min, double& max) {
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if (vec.size() == 0) {
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cerr << "Empty vec";
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return false;
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}
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min = vec[0];
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max = vec[0];
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for (double x : vec) {
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@@ -12,8 +16,8 @@ void find_minmax(vector<double> vec, double& min, double& max) {
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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(size_t number, vector<double> vec) {
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vector<size_t> bins(number);
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double mn, mx;
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@@ -36,3 +40,19 @@ vector<size_t> make_histogram(size_t number, vector<double> vec) {
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}
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return bins;
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}
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vector<int> make_percentages(const vector<size_t>& bins) {
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size_t total = 0;
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for (auto x : bins) {
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total += x;
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}
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vector<int> pct(bins.size());
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for (size_t i = 0; i < bins.size(); i++) {
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if (total > 0) {
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pct[i] = static_cast<int>(round(100.0 * bins[i] / total));
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}
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else {
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pct[i] = 0;
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}
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}
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return pct;
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}
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@@ -4,5 +4,5 @@
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#include <iostream>
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using namespace std;
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vector<size_t> make_histogram(size_t number, vector<double> vec);
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vector<int> make_percentages(const vector<size_t>& bins);
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#endif // HISTOGRAM_H_INCLUDED
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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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void find_minmax(std::vector<double> vec, double& min, double& max);
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bool find_minmax(std::vector<double> vec, double& min, double& max);
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#endif // HISTOGRAM_INTERNAL_H_INCLUDED
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15
lab1.cbp
15
lab1.cbp
@@ -32,7 +32,22 @@
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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="histogram.cpp" />
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<Unit filename="histogram.h">
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<Option target="<{~None~}>" />
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</Unit>
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<Unit filename="histogram_internal.h">
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<Option target="<{~None~}>" />
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</Unit>
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<Unit filename="main.cpp" />
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<Unit filename="svg.cpp" />
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<Unit filename="svg.h">
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<Option target="<{~None~}>" />
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</Unit>
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<Unit filename="text.cpp" />
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<Unit filename="text.h">
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<Option target="<{~None~}>" />
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</Unit>
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<Extensions>
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<lib_finder disable_auto="1" />
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</Extensions>
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78
svg.cpp
78
svg.cpp
@@ -1,5 +1,5 @@
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#include "svg.h"
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#include <cmath>
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using namespace std;
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void
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@@ -34,38 +34,62 @@ svg_rect(double x, double y, double width, double height, string stroke = "black
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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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void show_histogram_svg(const vector<size_t>& bins)
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{
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const auto ORIG_WIDTH = 400;
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const auto PADDING_RIGHT = 50;
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const auto IMAGE_WIDTH = ORIG_WIDTH + PADDING_RIGHT;
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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 GREEN = "green"
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const auto RED = "red";
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const auto MAX_WIDTH = IMAGE_WIDTH - TEXT_WIDTH;
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const auto TEXT_WIDTH = 50;
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const auto BIN_HEIGHT = 30;
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const auto BLACK = "black";
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const auto RED = "red";
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const auto MAX_WIDTH = ORIG_WIDTH - TEXT_WIDTH;
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const auto PERCENT_X = TEXT_WIDTH + MAX_WIDTH + 10;
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svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
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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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double max_count = 0;
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for (auto b : bins) {
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if (b > max_count) {
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max_count = b;
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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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svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, GREEN, RED);
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size_t total_count = 0;
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for (auto b : bins) {
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total_count += b;
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}
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double top = 0;
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for (auto b : bins) {
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double bin_width = 0;
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if (max_count > 0) {
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bin_width = MAX_WIDTH * (b / max_count);
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}
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svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(b));
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svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, BLACK, RED);
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int pct = 0;
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if (total_count > 0) {
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pct = static_cast<int>(round(100.0 * b / total_count));
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}
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string pct_str = to_string(pct);
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if (pct < 10) {
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pct_str = "0" + pct_str;
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}
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pct_str += "%";
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svg_text(PERCENT_X, top + TEXT_BASELINE, pct_str);
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top += BIN_HEIGHT;
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}
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1
svg.h
1
svg.h
@@ -1,6 +1,5 @@
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#ifndef SVG_H_INCLUDED
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#define SVG_H_INCLUDED
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#include <iostream>
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#include <vector>
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#include <string>
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123
text.cpp
123
text.cpp
@@ -1,9 +1,15 @@
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#include "text.h"
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#include "histogram.h"
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#include <iostream>
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#include <vector>
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#include <string>
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void show_histogram(std::vector<size_t> bins) {
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void show_histogram(vector<size_t> bins) {
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bool gigant = false;
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auto spaces = 0;
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size_t spaces = 0;
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size_t mx_count = 0;
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for (auto x : bins) {
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if (x > 76) {
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gigant = true;
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@@ -11,73 +17,68 @@ void show_histogram(std::vector<size_t> bins) {
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if (x > mx_count) {
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mx_count = x;
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}
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auto len = 0;
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while (x > 0) {
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x /= 10;
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size_t len = 0;
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size_t t = x;
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do {
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t /= 10;
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len++;
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}
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} while (t > 0);
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if (len > spaces) {
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spaces = len;
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}
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}
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size_t bar_max_width;
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if (gigant) {
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bar_max_width = 76;
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} else {
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bar_max_width = mx_count;
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}
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if (spaces == 1) {
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for (size_t i = 0; i < bins.size(); i++) {
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std::cout << " " << bins[i] << "|";
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if (gigant) {
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if (bins[i] == mx_count) {
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for (size_t j = 0; j < 76; j++) {
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std::cout << "*";
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}
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}
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else
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{
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for (size_t j = 0; j < 76 * static_cast<double>(bins[i]) / mx_count; j++) {
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std::cout << "*";
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}
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}
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}
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else
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{
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for (size_t j = 0; j < bins[i]; j++) {
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std::cout << "*";
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}
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std::cout << std::endl;
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}
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auto percentages = make_percentages(bins);
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for (size_t i = 0; i < bins.size(); ++i) {
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size_t len = 0;
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size_t t = bins[i];
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do {
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t /= 10;
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len++;
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} while (t > 0);
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for (size_t s = len; s < spaces + 1; ++s) {
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cout << " ";
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}
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}
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else
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{
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for (size_t i = 0; i < bins.size(); i++) {
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int len = 1;
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int k = bins[i];
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for (; k /= 10; ++len);
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while (len < spaces) {
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std::cout << " ";
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len++;
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cout << bins[i] << "|";
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size_t star_count = 0;
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if (gigant) {
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if (bins[i] == mx_count) {
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star_count = 76;
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} else {
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star_count = static_cast<size_t>(76 * static_cast<double>(bins[i]) / mx_count);
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}
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std::cout << bins[i];
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std::cout << "|";
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if (gigant) {
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if (bins[i] == mx_count) {
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for (size_t j = 0; j < 76; j++) {
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std::cout << "*";
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}
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}
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else
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{
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for (size_t j = 0; j < (76 * static_cast<double>(bins[i]) / mx_count - 1); j++) {
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std::cout << "*";
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}
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}
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}
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else
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{
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for (size_t j = 0; j < bins[i]; j++) {
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std::cout << "*";
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}
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}
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std::cout << std::endl;
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} else {
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star_count = bins[i];
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}
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for (size_t j = 0; j < star_count; ++j) {
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cout << "*";
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}
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size_t pad = bar_max_width - star_count;
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for (size_t p = 0; p < pad + 2; ++p) {
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cout << " ";
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}
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int pct = percentages[i];
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string pct_str;
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if (pct < 10) {
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pct_str = "0" + to_string(pct);
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} else {
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pct_str = to_string(pct);
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}
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pct_str += "%";
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cout << pct_str << "\n";
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}
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}
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1
text.h
1
text.h
@@ -3,6 +3,7 @@
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#include <iostream>
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#include <vector>
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void show_histogram(std::vector<size_t> bins);
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#endif // TEXT_H_INCLUDED
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@@ -31,6 +31,9 @@
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<Compiler>
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<Add option="-Wall" />
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</Compiler>
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<Unit filename="histogram.cpp" />
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<Unit filename="histogram_internal.h" />
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<Unit filename="unittest.cpp" />
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<Extensions>
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<lib_finder disable_auto="1" />
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</Extensions>
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11
unittest.cpp
11
unittest.cpp
@@ -3,6 +3,8 @@
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#include "doctest.h"
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#include "histogram_internal.h"
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using namespace std;
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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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@@ -10,12 +12,13 @@ TEST_CASE("distinct positive numbers") {
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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 negative numbers"){
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TEST_CASE("empty vector"){
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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 == -2);
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CHECK(max == -1);
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vector<double> empty;
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bool result = find_minmax(empty, min, max);
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CHECK(!result);
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}
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TEST_CASE("vector of the same elements"){
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double min = 0;
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@@ -1,8 +1,60 @@
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# depslib dependency file v1.0
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1746270053 source:c:\users\professional\desktop\cs-lab34\lab1\histogram.cpp
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1746444035 source:c:\users\professional\desktop\cs-lab34\lab1\histogram.cpp
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"histogram.h"
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<cmath>
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1746269334 c:\users\professional\desktop\cs-lab34\lab1\histogram.h
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1746443248 c:\users\professional\desktop\cs-lab34\lab1\histogram.h
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<vector>
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<iostream>
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1746274690 source:c:\users\professional\desktop\cs-lab34\lab1\unittest.cpp
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"doctest.h"
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"histogram_internal.h"
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1746271199 c:\users\professional\desktop\cs-lab34\lab1\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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1746444163 c:\users\professional\desktop\cs-lab34\lab1\histogram_internal.h
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Ссылка в новой задаче
Block a user