индивидуальное задание

histogam.cpp

@@ -6,21 +6,28 @@
 #include <conio.h>
 using namespace std;
 
-/*void find_minmax(vector<double> numbers, double& min, double& max) {
-    min = numbers[0];
-    for (auto i = 0; i < numbers.size(); i++) {
-        if (numbers[i] < min) {
-            min = numbers[i];
-        }
+/*bool find_minmax(vector<double> numbers, double& min, double& max) {
+    if (numbers.empty())
+    {
+        return true;
     }
+    else
+    {
+        min = numbers[0];
+        for (auto i = 0; i < numbers.size(); i++) {
+            if (numbers[i] < min) {
+                min = numbers[i];
+            }
+        }
 
-    max = numbers[0];
-    for (auto i = 0; i < numbers.size(); i++) {
-        if (numbers[i] > max) {
-            max = numbers[i];
+        max = numbers[0];
+        for (auto i = 0; i < numbers.size(); i++) {
+            if (numbers[i] > max) {
+                max = numbers[i];
+            }
         }
     }
-
+    return false;
 }
 
 vector<size_t> make_histogram(const vector<double>& numbers, size_t bin_count) {
@@ -113,3 +120,4 @@ vector<size_t> make_histogram (vector<double> numbers, size_t bin_count)
 
     return bins;
 }
+

histogam_internal.h

@@ -2,8 +2,9 @@
 #define HISTOGAM_INTERNAL_H_INCLUDED
 
 #include <vector>
-/*
+
 void find_minmax(std::vector<double> numbers, double& min, double& max);
+
+/*bool find_minmax(std::vector<double> numbers, double& min, double& max);
 */
-void find_minmax(std::vector<double> numbers, double& min, double& max);
 #endif // HISTOGAM_INTERNAL_H_INCLUDED

lab1.depend

@@ -3,22 +3,24 @@
 	<iostream>
 	<vector>
 
-1685897816 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\main.cpp
+1685968543 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\main.cpp
 	<iostream>
 	<vector>
 	<cmath>
 	<string>
 	"histogam.h"
 	"text.h"
-	"svg.h"
 	<conio.h>
 	"histogam_internal.h"
 	<curl/curl.h>
+	<sstream>
+	<string>
+	"svg.h"
 
-1685896776 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam.h
+1685967301 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam.h
 	<vector>
 
-1685896777 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam.cpp
+1685967301 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam.cpp
 	<iostream>
 	<vector>
 	<cmath>
@@ -26,7 +28,7 @@
 	"histogam_internal.h"
 	<conio.h>
 
-1685896776 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\text.cpp
+1685967301 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\text.cpp
 	<iostream>
 	<vector>
 	<cmath>
@@ -36,10 +38,10 @@
 1685896777 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\text.h
 	<vector>
 
-1685896777 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam_internal.h
+1685967301 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam_internal.h
 	<vector>
 
-1685896777 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\svg.cpp
+1685967301 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\svg.cpp
 	<math.h>
 	<iostream>
 	<conio.h>
@@ -47,7 +49,7 @@
 	<string>
 	"svg.h"
 
-1685896776 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\svg.h
+1685967301 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\svg.h
 
 1685361112 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\curl\include\curl\curl.h
 	"curlver.h"

main.cpp

@@ -4,12 +4,12 @@
 #include <string>
 #include "histogam.h"
 #include "text.h"
-#include "svg.h"
 #include <conio.h>
 #include "histogam_internal.h"
 #include <curl/curl.h>
 #include <sstream>
 #include <string>
+#include "svg.h"
 using namespace std;
 
 
@@ -45,7 +45,8 @@ int main()
     return 0;
     }
 */
-struct Input {
+struct Input
+{
     vector<double> numbers;
     size_t bin_count{};
 };
@@ -54,7 +55,7 @@ Input
 input_data(istream& in, bool promt)
 {
     size_t number_count;
-     if (promt)
+    if (promt)
     {
         cerr << "Enter number count: ";
     }
@@ -65,7 +66,10 @@ input_data(istream& in, bool promt)
     {
         in >> ik.numbers[i];
     }
-    cerr << "Enter bin count: ";
+    if (promt)
+    {
+        cerr << "Enter bin count: ";
+    }
     in>> ik.bin_count;
     return ik;
 }
@@ -74,31 +78,38 @@ size_t write_data(void* items, size_t item_size, size_t item_count, void* ctx)
 {
     size_t data_size = item_size * item_count;
     stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
-    buffer->write(static_cast<const char*>(items), data_size);
-    return 0;
+    buffer->write(reinterpret_cast<const char*>(items), data_size);
+    return data_size;
 }
 
 
 Input
 download(const string& address)
 {
-stringstream buffer;
+    stringstream buffer;
     CURL *curl = curl_easy_init();
     if(curl)
     {
         CURLcode res;
-        curl_easy_setopt(curl, CURLOPT_URL, address);
+        curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
         curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
         res = curl_easy_perform(curl);
-        curl_easy_cleanup(curl);
         if (res != CURLE_OK)
         {
-            cout << curl_easy_strerror;
+            fprintf(stderr, "curl_easy_perform() failed: %s\n",curl_easy_strerror(res));
             exit(1);
         }
-    }
-    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
+        if(res == CURLE_OK)
+        {
+            long req;
+            res = curl_easy_getinfo(curl, CURLINFO_REQUEST_SIZE, &req);
+            if(!res)
+                cerr<<"Request size: %ld bytes:  "<< req;
+        }
+        curl_easy_cleanup(curl);
 
+    }
     return input_data(buffer, false);
 }
 
@@ -118,3 +129,4 @@ int main(int argc, char* argv[])
     const auto bins = make_histogram(input.numbers, input.bin_count);
     show_histogram_svg(bins);
 }
+

svg.cpp

@@ -139,3 +139,4 @@ show_histogram_svg(const vector<size_t>& bins)
 
     svg_end();
 }
+

svg.h

@@ -6,4 +6,5 @@ show_histogram_svg(const std::vector<size_t>& bins,double min, double max);
 */
 void
 show_histogram_svg(const std::vector<size_t>& bins);
+
 #endif // SVG_H_INCLUDED

text.cpp

@@ -69,3 +69,4 @@ void show_histogram_text(vector<size_t> bins, size_t bin_count)
         cout << endl;
     }
 }
+

unittest.cpp

@@ -8,10 +8,42 @@ TEST_CASE("distinct positive numbers") {
     double min = 0;
     double max = 0;
     std::vector<double>f{1,2};
-    CHECK(f.size() != 0);
+
+    find_minmax(f, min, max);
+    CHECK(min == 1);
+    CHECK(max == 2);
+    CHECK(min != max);
+}
+
+TEST_CASE("distinct positive numbers") {
+    double min = 0;
+    double max = 0;
+    std::vector<double>f{};
+    CHECK(find_minmax(f, min, max) != 0);
     CHECK(f.size() != 1);
     find_minmax(f, min, max);
     CHECK(min == 1);
     CHECK(max == 2);
     CHECK(min != max);
 }
+TEST_CASE("void vector") {
+    double min = 3;
+    double max = 2;
+     std::vector<double> numbers {};
+     bool check = find_minmax(numbers, min, max);
+    CHECK(check == true);
+}
+TEST_CASE("vector with same elements") {
+    double min = 0;
+    double max = 0;
+    find_minmax({2,2,2}, min, max);
+    CHECK(min == 2);
+    CHECK(max == 2);
+}
+TEST_CASE("vector with one element") {
+    double min = 0;
+    double max = 0;
+    find_minmax({1}, min, max);
+    CHECK(min == 1);
+    CHECK(max == 1);
+}

unittest.depend

@@ -1,5 +1,5 @@
 # depslib dependency file v1.0
-1682280773 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam.cpp
+1685962483 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam.cpp
 	<iostream>
 	<vector>
 	<cmath>
@@ -7,10 +7,10 @@
 	"histogam_internal.h"
 	<conio.h>
 
-1682273839 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam.h
+1685896776 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam.h
 	<vector>
 
-1682273796 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam_internal.h
+1685896777 c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\histogam_internal.h
 	<vector>
 
 1682276830 source:c:\users\admin\onedrive\Ðàáî÷èé ñòîë\lab1\unittest.cpp