// signtest.cc

#include <iostream.h>
#include "sign.h"

ostream &operator << (ostream &stream, sign s1)
{
  return (stream << to_char (s1));
}


int main (void)
{
  sign s0;
  sign sp = positive;
  sign s1 = 2;
  sign s2 = -3;
  sign s3 = s2;

  cout << s0 << ' ' << s1 << ' ' << s2 << ' ' << s3 << ' ' << sp << ' '
    << (s1 < s2) << ' ' << (s1 > s2) << ' ' << s1 * s2 << '\n';
  return (0);
}