// File: ex13-3.cpp

#include <iostream>
using namespace std;

template <typename Z> double half(Z n)
{
	return static_cast<double>(n/2.);
}

int main(void)
{
	cout << half(3) << endl;
	cout << half(4.55) << endl;
	cout << half(static_cast<short>(2)) << endl;
	cout << half(static_cast<long>(19)) << endl;
	cout << half(1/2) << endl;
	cout << half('x') << endl;
	return 0;
}