OperatorVersionsTest.cpp

#include <iostream>
#include <locale.h>
using namespace std;
class rational{
public:
    rational():rational(1,0){
    }
    rational(int dd,int dr){
        dividend=dd;
        divisor=dr;
    }
    double get_dividend(){
        return dividend;
    }
    void set_dividend(int dd){
        dividend=dd;
    }
    double get_divisor(){
        return divisor;
    }
    void set_divisor(int dr){
        divisor=dr;
    }
    void print(){
        cout<<dividend<<"/"<<divisor<<endl;
    }

    rational operator-(){
        return rational(-dividend,divisor);
    }
    rational operator-(rational right){
        rational result;
        result.set_dividend(
            (*this).get_dividend()*right.get_divisor()-
            right.get_dividend()*(*this).get_divisor());
        result.set_divisor(
            (*this).get_dividend()*right.get_divisor());
        return result;
    }
    friend rational operator+(rational left,rational right);
private:
    double dividend;
    double divisor;
};
rational operator+(rational left,rational right){
    rational result;
    result.set_dividend(
        left.get_dividend()*right.get_divisor()+
        right.get_dividend()*left.get_divisor());
    result.set_divisor(
        left.get_dividend()*right.get_divisor());
    return result;
}
int main0504(){
    setlocale(LC_ALL,"Turkish");

    rational r1(3,4);
    cout<<"�lk Kesirli"<<endl;
    r1.print();
    rational r2=-r1;
    cout<<"Teklik Eksi"<<endl;
    r2.print();
    rational r3(2,5);
    cout<<"�kinci Kesirli"<<endl;
    r3.print();
    rational r4=r1-r3;
    cout<<"�ye Eksi"<<endl;
    r4.print();
    rational r5=r1+r3;
    cout<<"Arkada� Art�"<<endl;
    r5.print();


    return 0;
}