code: изменения
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76
main.cpp
76
main.cpp
@@ -1,5 +1,8 @@
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#include <iostream>
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#include <vector>
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#include "histogram.h"
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#include "text.h"
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#include "svg.h"
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using namespace std;
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struct Input {
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@@ -25,81 +28,12 @@ input_data() {
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return in;
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}
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void
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find_minmax(const vector<double>& numbers, double& min, double& max) {
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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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if (x < min) {
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min = x;
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}
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else if (x > max) {
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max = x;
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}
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}
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}
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vector <double>
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make_histogram(const vector<double>& numbers, size_t bin_count){
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vector<double> bins (bin_count);
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double min = 0, max = 0;
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find_minmax(numbers, min, max);
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double bin_size = (max - min) / bin_count;
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for (int i = 0; i < numbers.size(); i++) {
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bool found = false;
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for (int j = 0; (j < bin_count - 1) && !found; j++) {
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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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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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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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void
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show_histogram_text (const vector<double>& bins,size_t MAX_ASTERISK, size_t bin_count){
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size_t bin_max = 0;
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size_t height = 0;
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for (double x : bins)
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{
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if (x > bin_max){
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bin_max = x;
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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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size_t height = bin;
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height = MAX_ASTERISK * (static_cast<double>(bin) / bin_max);
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if (bin < 100)
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{
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cout << " ";
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}
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if (bin < 10)
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{
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cout << " ";
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}
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cout << bin << "|";
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for (size_t 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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int main(){
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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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auto in = input_data();
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auto bins = make_histogram(in.numbers, in.bin_count);
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show_histogram_text(bins, MAX_ASTERISK, in.bin_count);
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const std::vector<double> bins = make_histogram(in.numbers, in.bin_count);
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show_histogram_svg(bins);
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return 0;
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}
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