Use a binary function object divides : divides « STL Algorithms Helper « C++

1. C++
2. STL Algorithms Helper
3. divides

Use a binary function object divides

  
 
#include <iostream>
#include <list>
#include <functional>
#include <algorithm>
using namespace std;

int main()
{
  list<double> vals;
  list<double> divisors;

  for(int i=10; i<100; i+=10) vals.push_back((double)i);
  for(int i=1; i<10; i++) divisors.push_back(3.0);

  cout << "Original contents of vals:\n";
  list<double>::iterator p = vals.begin();
  while(p != vals.end()) {
    cout << *p << " ";
    p++;
  }

  cout << endl;
 
  p = transform(vals.begin(), vals.end(),
                divisors.begin(), vals.begin(),
                divides<double>()); // call function object

  cout << "Divided contents of vals:\n";
  p = vals.begin();
  while(p != vals.end()) {
    cout << *p << " ";
    p++;
  }

  return 0;
}
/* 
Original contents of vals:
10 20 30 40 50 60 70 80 90
Divided contents of vals:
3.33333 6.66667 10 13.3333 16.6667 20 23.3333 26.6667 30
 */
        
    
  

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