//---------------------------------------------------------------------------
#ifndef RATIONALCLASS_H
#define RATIONALCLASS_H
//---------------------------------------------------------------------------
#include "boolean.h"

class rational {

public:

//----Constructors
rational(void);

rational(int N, int D);

//----Set the value. Fails if D is not natural
boolean Set(int N, int D);

//----Add
rational Add(rational OtherOne);

//----Read. Fails if D is not natural
boolean Read(void);

//----Write
void Write(void);

private:

int Numerator,
    Denominator;

};
//---------------------------------------------------------------------------
#endif
//---------------------------------------------------------------------------