/** @file list4603.cpp */
/** Listing 46-3. Testing the absval Function Template */
#include <iostream>
#include <ostream>

#include "rational.hpp"

template<class T>
T absval(T x)
{
  if (x < 0)
    return -x;
  else
    return x;
}

int main()
{
  std::cout << absval(-42) << '\n';
  std::cout << absval(-4.2) << '\n';
  std::cout << absval(42) << '\n';
  std::cout << absval(4.2) << '\n';
  std::cout << absval(-42L) << '\n';
  std::cout << absval(rational(42, 5)) << '\n';
  std::cout << absval(rational(-42, 5)) << '\n';
  std::cout << absval(rational(42, -5)) << '\n';
}