rational.h

《c＋＋大学教程实验指导书》源码

// rational.h
#ifndef RATIONAL_H
#define RATIONAL_H

// class Rational definition
class Rational {

public:
   Rational( int = 0, int = 1 );  // default constructor
   
   Rational addition( const Rational & );
   Rational subtraction( const Rational & );
   Rational multiplication( const Rational & );
   Rational division( const Rational & );
   
   void printRational ();
   void printRationalAsDouble();

private:
   int numerator;
   int denominator;
   void reduction();   // utility function

}; // end class Rational

#endif // RATIONAL_H



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