#include <iostream>
#include <sstream>
using namespace std;

int main()
{
  stringstream stream1, stream2;
  double x = 1.29312, y;
  string a;

  // convert double into a string
  stream1 << x; // push double x into the stringstream
  stream1 >> a; // pull x out of the stringstream into a string
  cout << "String = " << a << endl; // print the string (NOT the stringstream)

  // convert string back to a double... need to use *new* stringstream
  stream2 << a; // push string onto stringstream
  stream2 >> y;
  cout << "Double = " << y << endl; 
   
  return 0;
}