// Fig. 3.25: fig03_25.cpp
// Using overloaded functions.
#include <iostream>

using std::cout;
using std::endl;

// function square for int values
int square( int x ) 
{ 
   cout << "Called square with int argument: " << x << endl;
   return x * x; 

} // end int version of function square

// function square for double values
double square( double y ) 
{ 
   cout << "Called square with double argument: " << y << endl;
   return y * y; 

} // end double version of function square

int main()
{
   int intResult = square( 7 );         // calls int version
   double doubleResult = square( 7.5 ); // calls double version

   cout << "\nThe square of integer 7 is " << intResult
        << "\nThe square of double 7.5 is " << doubleResult 
        << endl;    

   return 0;  // indicates successful termination

} // end main

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