#include <iostream>
#include <iomanip>
#include "ulp.h"

template <typename T>
void show(T x)
{
  std::cout	
    << std::setw(14) << x << "\t : " 
    << std::setw(14) << ulp_down(x) << " <  > " << ulp_up(x) << '\n';
}

template <typename T>
void ulps(const char * msg)
{
  std::cout << "\n" << msg << "\n";

  auto max = std::numeric_limits<T>::max();
  auto min = std::numeric_limits<T>::min();
  auto inf = std::numeric_limits<T>::infinity();
  show(inf);
  show(max);
  show(T(2.0));
  show(T(1.5));
  show(T(1.0));
  show(T(0.5));
  show(min);
  show(T(0.0));
  show(-min);
  show(T(-0.5));
  show(T(-1.0));
  show(T(-1.5));
  show(T(-2.0));
  show(-max);
  show(-inf);
}

int main()
{
  ulps<double>("double");
  return 0;
}