edit

cviceni/cv05/RandDouble.h

+#ifndef RANDDOUBLE_H_HDR
+#define RANDDOUBLE_H_HDR
+
+#include <iostream>
+
+class RandDouble{
+    private:
+        double val;
+    public:
+        RandDouble(){
+            val=(4.0*rand()/RAND_MAX);
+            std::cout<<"RandDouble()= "<<val;
+            std::cout<<std::endl;
+        }
+    double getValue(void){
+        return val;
+    }
+
+    friend std::ostream& operator<<(std::ostream &os, RandDouble &r){
+        os<<r.getValue();
+        return os;
+    }
+};
+
+#endif //RANDDOUBLE_H_HDR
\ No newline at end of file

cviceni/cv05/lambda.cpp

+#include <iostream>
+#include <vector>
+#include <algorithm> // std::generate, etc.
+#include <functional> // std::function
+
+int randInt(void)
+{
+  return (rand() % 10) - 5; // generuj cisla od -5 do 4
+}
+
+void print_vec(std::vector<int> &v)
+{
+  for(int val : v)
+  {
+    std::cout << val << ", ";
+  }
+  std::cout << std::endl;
+}
+
+int main(void)
+{
+  std::vector<int> v(10), w(10), f(10);
+  int first, second;
+  first = 0; second = 1;
+
+  std::generate(v.begin(), v.end(), randInt);
+  std::cout << "v = ";
+  print_vec(v);
+
+  std::generate(w.begin(), w.end(),
+    [](void) -> int { return (rand() % 20) - 10; });
+  std::cout << "w = ";
+  print_vec(w);
+
+  // v lambda fci potrebuje cist promenne "first" a "second"
+  // potrebujeme do nich i zapisovat (proto '&')
+  std::generate(f.begin(), f.end(),
+    [&first, &second](void) -> int
+    {
+      int ret = first + second;
+      first = second;
+      second = ret;
+      return ret;
+    } );
+  std::cout << "f = ";
+  print_vec(f);
+
+  // Priklad pouziti lambda fce
+  // dtb->query(strSelect, fParamSet, fProcess)
+  // dtb->query(strSelect, []()-> string { sprintf(); },
+  //            [](dtbrow) -> int { v.push_back(dtbrow); });
+
+  std::cout << "Vektor v vzestupne = ";
+  std::sort(v.begin(), v.end());
+  print_vec(v);
+
+  std::cout << "Vector v sestupne = ";
+  //std::sort(v.rbegin(), v.rend());
+  std::sort(v.begin(), v.end(),
+     [](int& a, int& b) -> bool { return a > b; });
+  print_vec(v);
+
+  // auto fIsPositive
+  // std::function, typ je sablonou, kompilator vetsinou tipne jake typy se pouzivaji
+  std::function<bool(int&)> fIsPositive=[](int& value) -> bool { return value > 0; };
+
+  std::cout << "Pocet kladnych cisel ve w: ";
+  std::cout << count_if(w.begin(), w.end(), fIsPositive);
+  std::cout << std::endl;
+  return 0;
+}

cviceni/cv05/stack.h

+#ifndef STACK_H_HDR
+#define STACK_H_HDR
+
+#include <vector>
+
+template<class T>
+class Stack{
+    private:
+        std::vector<T> v;
+
+    public:
+        Stack(){}
+        Stack(int size){v.resize(size);}
+        Stack(std::vector<T> &w){v=w;}
+
+        void push(T val){v.push_back(val);}
+        T pop(void){
+            T ret = v.back();
+            v.pop_back();
+            return ret;
+        }
+};
+
+#endif //*STACK_H_HDR
\ No newline at end of file

cviceni/cv05/template.cpp

+#include <iostream>
+#include <vector>
+#include <algorithm>
+
+#include "stack.h"
+#include "RandDouble.h"
+
+//*dva zpusoby zapisu 
+//template<typename MujTyp>
+template<class MujTyp>
+
+MujTyp getMax(  MujTyp a,  MujTyp b){
+    return(a>b)?a:b;
+}
+
+template<class T>
+void print_vec(std::vector<T> &v){
+    for(T val : v){
+        std::cout << val << ", ";
+    }
+    std::cout << std::endl;
+}
+
+int main(){
+    int a=5, b=-2;
+
+    std::cout<<"getMax(" << a<<", "<< b <<") = " << getMax(a,b) << std::endl;
+
+    double d=2.7, f= 1.602e-19;
+
+    std::cout<<"getMax(" << d<<", "<< f <<") = " << getMax(d,f) << std::endl;
+
+    std::cout<<"getMax(" << d<<", "<< a <<") = " << getMax<double>(d,a) << std::endl;
+
+    srand(123412);
+    std::vector<int> u(10);
+    std::generate(u.begin(), u.end(), [](void)->int{return rand()%20-10;});
+    print_vec(u);
+
+    Stack<int> s(u);
+    for(int idx=0; idx<10; ++idx){
+        std::cout<<"s.pop() = "<< s.pop() << std::endl;
+    }
+    
+    std::vector<RandDouble> rv(10);
+    std::sort(rv.begin(), rv.end(), [](RandDouble &a, RandDouble &b)->bool{
+        return a.getValue()<b.getValue();
+    });
+    print_vec(rv);
+    return 0;
+}
\ No newline at end of file

cviceni/git_upload.txt

 git status  -> zjistim jestli jestli jsou zmeny commitnute
 git commit -m "editovaci zprava" -> commitnu zmeny(jenom lokalne)
 git push origin main  -> upload na server 
-do souboru .gitignore pisu vsechny soubory co chci ignorovat
+do souboru .gitignore pisu vsechny soubory co chci ignorovat
\ No newline at end of file
+git add . -> prida vsechnz souboy
\ No newline at end of file