code: Загрузка данных по сети

.gitignore

@@ -1,2 +1,3 @@
 /bin
 /obj
+/curl

hist_proc.cpp

@@ -1,6 +1,7 @@
 #include <iostream>
 #include <vector>
 #include "hist_proc.h"
+#include "hist_proc_internal.h"
 using namespace std;
 vector<size_t> make_histogram_proc(const vector<double> numbers, size_t bin_count, vector<size_t> bins){
     vector<size_t> procent(bin_count);

histogram.cpp

@@ -4,11 +4,17 @@
 using namespace std;
 
 
-static void
+bool
 find_minmax(const vector<double>& numbers, double& min, double& max) {
-    min = numbers[0];
-    max = numbers[0];
-    for (double x : numbers) {
+    bool flag;
+    if (numbers.size() == 0){
+        flag=false;
+
+    }
+    else {
+        min = numbers[0];
+        max = numbers[0];
+        for (double x : numbers) {
         if (x < min) {
             min = x;
         }
@@ -18,7 +24,10 @@ find_minmax(const vector<double>& numbers, double& min, double& max) {
     }
 }
 
-vector<size_t> make_histogram(const vector<double> numbers, size_t bin_count){
+   return flag;
+}
+
+vector<size_t> make_histogram(const vector<double> numbers, size_t bin_count, bool& flag){
     vector<size_t> bins(bin_count);
     double max, min = 0;
     find_minmax(numbers, min, max);

histogram.h

@@ -4,6 +4,6 @@
 #include <vector>
 
 std::vector<size_t>
-make_histogram(const std::vector<double> numbers, size_t bin_count);
+make_histogram(const std::vector<double> numbers, size_t bin_count, bool& flag);
 
 #endif // HISTOGRAM_H_INCLUDED

main.cpp

@@ -5,7 +5,7 @@
 #include "histogram.h"
 #include <text.h>
 #include <svg.h>
-
+#include <curl/curl.h>
 
 
 using namespace std;
@@ -20,19 +20,42 @@ struct Input {
 
 
 Input
-input_data(istream& in) {
+input_data(istream& in, bool prompt) {
+    if (prompt == true) {
+    size_t number_count;
+    cerr << "amount of numbers";
+    in >> number_count;
+    Input inn;
+    inn.numbers.resize(number_count);
+    vector<double> numbers(number_count);
+    cerr << "input numbers";
+    for (size_t i = 0; i < number_count; i++) {
+        in >> inn.numbers[i];
+    }
+
+size_t bin_count;
+cerr << "amount of baskets";
+in >> inn.bin_count;
+return inn;
+    }
+
+    else if (prompt == false) {
     size_t number_count;
+    cout << "amount of numbers";
     in >> number_count;
     Input inn;
     inn.numbers.resize(number_count);
     vector<double> numbers(number_count);
+    cout << "input numbers";
     for (size_t i = 0; i < number_count; i++) {
         in >> inn.numbers[i];
     }
 
 size_t bin_count;
+cout << "input baskets";
 in >> inn.bin_count;
 return inn;
+    }
 }
 
 
@@ -40,8 +63,11 @@ return inn;
 
 int main()
 {
+    curl_global_init(CURL_GLOBAL_ALL);
     bool flag;
-    auto inn = input_data(cin);
+    bool prompt;
+    prompt = true;
+    auto inn = input_data(cin, prompt);
     auto bins = make_histogram(inn.numbers, inn.bin_count, flag);
     auto procent = make_histogram_proc(inn.numbers, inn.bin_count, bins);
     show_histogram_svg(bins, procent);

unittest4var.cpp

@@ -9,4 +9,9 @@ TEST_CASE("distinct positive numbers") {
     CHECK(procent[0] == 33);
     CHECK(procent[1] == 33);
     CHECK(procent[2] == 34);
+
+    procent = make_histogram_proc({1}, 3, {1, 0, 0});
+    CHECK(procent[0] == 100);
+    CHECK(procent[1] == 0);
+    CHECK(procent[2] == 0);
 }