ftwo.H

#ifndef _FTWO_H_
#define _FTWO_H_

#include <iostream>
#include <fstream>
using namespace std;



class F_2 {
private:
  bool value;

public:
  // constructors ***********************************
  F_2();
  F_2(long n); 
 // arithmetic
  F_2& operator+=(const F_2& that);
  F_2 operator+(const F_2& that) const;
  F_2& operator-=(const F_2& that);
  F_2 operator-(const F_2& that) const;
  F_2& operator*=(const F_2& that);
  F_2 operator*(const F_2& that) const;
  F_2& operator/=(const F_2& that);
  F_2 operator/(const F_2& that) const;

  F_2& operator-();
  F_2 operator-() const;
  //comparison
  bool operator<(const F_2& that) const;
  bool operator==(const F_2& that) const;
  bool operator!=(const F_2& that) const;


  // printing
  friend ostream& operator<<(ostream& os, const F_2& x);
  friend ofstream& operator<<(ofstream& file, F_2& x);
  friend void operator>>(ifstream& file, F_2& x);

  // arithmetic with longs
  friend F_2 operator+(long n, const F_2& x);
  friend F_2 operator-(long n, const F_2& x);
  friend F_2 operator*(long n, const F_2& x);
  friend F_2 operator/(long n, const F_2& x);







};













#endif

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