// This program uses a function template.
#include <iostream>
#include <iomanip>
using namespace std;

// Template definition for square function.
template <class T>
T square(T number)
{
    return number * number;
}

int main()
{
    cout << setprecision(5);

    // Get an integer and compute its square.
    cout << "Enter an integer: ";
    int iValue;
    cin >> iValue;

    // The compiler creates int square(int) at the first
    // occurrence of a call to square with an int argument.
    cout << "The square is " <<  square(iValue) << endl;

    // Get a double and compute its square.
    cout << "\nEnter a double: ";
    double dValue;
    cin >> dValue;

    // The compiler creates double square(double)at the first
    // occurrence of a call to square with a double argument.
    cout << "The square is " << square(dValue) << endl;

    return 0;
}