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#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
class Rational{
int numerator;
int denominator;
public:
friend ostream& operator<< (ostream &out, Rational &rat);
friend istream& operator>> (istream &in, Rational &rat);
friend const Rational operator +(const Rational &rat1, const Rational &rat2);
friend const Rational operator *(const Rational &rat1, const Rational &rat2);
friend const Rational operator -(const Rational &rat1, const Rational &rat2);
friend const Rational operator /(const Rational &rat1, const Rational &rat2);
friend const Rational operator ==(const Rational &rat1, const Rational &rat2);
Rational();
Rational(int n,int d);
Rational(int wholenumber);
};
Rational::Rational()
{
numerator=0;
denominator=1;
}
Rational::Rational(int n,int d)
{
numerator=n;
denominator=d;
}
Rational::Rational(int wholenumber)
{
numerator=wholenumber;
denominator=1;
}
const Rational operator*(const Rational& rat1,const Rational& rat2)
{
return (rat1.numerator * rat2.numerator, rat1.denominator * rat2.denominator);
}
ostream& operator<< (ostream &out, Rational &rat)
{
if(rat.denominator==0||rat.denominator==1)
{out<<rat.numerator;}
else
{
out << rat.numerator;
out << "/";
out << rat.denominator;
}
}
const Rational operator +(const Rational &rat1, const Rational &rat2)
{
if(rat1.denominator==rat2.denominator)
{
return (rat1.numerator+rat2.numerator,rat1.denominator);
}
else
{
return (rat1.denominator*rat2.denominator,((rat1.numerator*rat2.denominator)+(rat1.numerator*rat2.denominator)));
}
}
const Rational operator -(const Rational &rat1, const Rational &rat2)
{
if(rat1.denominator==rat2.denominator)
{
return(rat1.numerator-rat2.numerator,rat1.denominator);
}
else
{
return(rat1.denominator*rat2.denominator,((rat1.numerator*rat2.denominator)-(rat1.numerator*rat2.denominator)));
}
}
const Rational operator /(const Rational &rat1, const Rational &rat2)
{
if( rat2.denominator==1)
{
return (rat2.numerator*rat1.numerator,rat1.denominator);
}
else
{
return (rat1.numerator*rat2.denominator,rat1.denominator*rat2.numerator);
}
}
istream& operator>> (istream &in, Rational &rat)
{
char a;
in>>rat.numerator>>a>>rat.denominator;
return in;
}
const Rational operator ==(const Rational &rat1, const Rational &rat2)
{
if((rat1.numerator/rat2.numerator==rat1.denominator/rat2.denominator)||(rat2.numerator/rat1.numerator==rat2.denominator/rat1.denominator))
{
return 1;
}
else{ return 0;}
}
int main(){
Rational rat6;
Rational rat1(1,2);
Rational rat2(-1,2);
Rational rat3(-1);
Rational rat4(0);
Rational rat5(5,2);
cout<< "Input Rat 6"<<endl;
cin>>rat6;
cout << "Number1:" <<" " <<rat1;
cout<<endl;
cout << "Number2:" <<" "<<rat2;
cout <<endl;
cout << "Number3:" <<" " <<rat3;
cout <<endl;
cout << "Number4:" <<" " <<rat4;
cout <<endl;
cout << "Number5:" <<" " <<rat5;
cout <<endl;
cout << "Number6:" <<" " <<rat6;
cout <<endl;
cout << "Operation +: "<<(rat1+rat2);
cout <<endl;
cout << "Operation *: "<<(rat1*rat2);
cout<<endl;
cout << "Operation -: "<<(rat1-rat2);
cout<<endl;
cout<< "Operation /: "<<(rat1/rat2);
cout<<endl;
cout<< "Operation==: "<<(rat1==rat2);
cout<<endl;
system("PAUSE");
return 0;
}
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