/* sample1.cpp - this sample is intended to show the differences 
   between the compile stage and linking stage of compilation */

#include <iostream>

using namespace std;

//function pi() declaration
double pi();

int main()
{
  //function pi is used
  cout<<"The value of pi is "<<pi()<<endl;
  return 0;
}

/*
//function pi() definition
double pi()
{
return 3.14;
}
*/