Bind Function, C++ (gcc)

Bind Function

//bind function

#include <iostream>
#include <functional>
#include <numeric>
#include <algorithm>

#include <list>

using namespace std;

typedef list<double>DList;
typedef DList::iterator DIterator;

double cubeX(double x){
    return x*x*x;
    
};

int main()
{
    using namespace placeholders;
    
    DList list1(14);
    DIterator it1;
    
    iota(list1.begin(), list1.end(), 1.00);
    
    cout << "\nlist1:\t[ ";
    for(auto i : list1)
        cout << i << "  ";
    cout << "]\n";
    
    DList list2(list1);
    
    double x = 3.0;
    auto cube = bind(cubeX, x);   
    cout << "\ncube(" << x << ") = " << cube() << "\n";
 
    // remove if value is greater than 5
    //
    double val = 5.00;
    //
    // The placeholder '_1' and the value 'val' arguments are bound to the comparison
    // function 'greater<T>()'
    //
    it1 = remove_if(list1.begin(), list1.end(), bind(greater<double>(), _1, val));
    cout << "\nRemove all values greater than " << val << "\n";
    
    list1.erase(it1, list1.end());
    cout << "New list1:\t[ ";
    for(auto i : list1)
        cout << i << "  ";
    cout << "]\n";
      
    // remove if value is less than 5
    //
    cout << "\nOld list2:\t[ ";
    for(auto i : list2)
        cout << i << "  ";
    cout << "]\n";

val = 5.00;
    it1 = remove_if(list2.begin(), list2.end(), bind(less<double>(), _1, val));
    cout << "\nRemove all values less than " << val << "\n";
    list2.erase(it1, list2.end());
    cout << "New list2:\t[ ";
    for(auto i : list2)
        cout << i << "  ";
    cout << "]\n";

// remove copy if value is less than 8
    //
    DList list3(15);
    iota(list3.begin(), list3.end(), 1);
    DList list4(list3);
        
    cout << "\nOld list3:\t[ ";
    for(auto i : list3)
        cout << i << "  ";
    cout << "]\n";

val = 8.00;    
    DList result(10);    
    cout << "\nRemove all values < " << val << " and copy into \'result\'\n";
        
    it1 = remove_copy_if(list3.begin(), list3.end(), result.begin(), bind(less<double>(), _1, val));
    result.erase(it1, result.end());
    
    cout << "result:\t[ ";
    for(auto i : result)
        cout << i << "  ";
    cout << "]\n";

// find all values in the range [7, 11)
    //
    DIterator ita, itb;
    
    ita = find_if(list4.begin(), list4.end(), bind(greater<double>(), _1, 6.5));
    itb = find_if(list4.begin(), list4.end(), bind(greater<double>(), _1, 10));
   
    DList list5(ita, itb);
    
    cout << "\nFind all values in the range = [" << *ita << ", " << *itb << ")\n";
    
    cout << "\nlist5:\t[ ";
    for(auto i : list5)
        cout << i << "  ";
    cout << "]\n";                  
        
    return 0;
}


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