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a1oops.cpp
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a1oops.cpp
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#include<iostream>
using namespace std;
class complex{
float real;
float img;
public:
friend complex operator+(complex,complex);
friend complex operator-(complex,complex);
friend complex operator*(complex,complex);
friend complex operator/(complex,complex);
friend ostream & operator<<(ostream&,complex&);
friend istream & operator>>(istream&,complex&);
complex(){
real=0;
img=0;
}
~complex(){}
};
complex operator+(complex c,complex d){
complex temp;
temp.real=d.real+c.real;
temp.img=d.img+c.img;
return temp;
}
complex operator-(complex c,complex d){
complex temp;
temp.real=c.real-d.real;
temp.img=c.img-d.img;
return temp;
}
complex operator*(complex c,complex d){
complex temp;
temp.real=c.real*d.real-c.img*d.img;
temp.img=c.real*d.img+c.img*d.real;
return temp;
}
complex operator/(complex c,complex d){
complex temp;
int mod=d.real*d.real+d.img*d.img;
d.img= -1*d.img;
temp=c*d;
temp.real/=mod;
temp.img/=mod;
return temp;
}
ostream & operator << (ostream &out, complex &c){
if(c.img>=0)
out<<c.real<<"+"<<c.img<<"i\n";
else
out<<c.real<<c.img<<"i\n"; //noted
return out;
}
istream & operator >> (istream &in, complex &c){
cout << "Enter Real Part ";
in >> c.real; //noted
cout << "Enter Imaginary Part ";
in >> c.img;
return in;
}
int main(){
complex c1,c2,c3;
int ch;
cout<<c1; //default constructor
cout<<c2;
cin>>c1; //calling of operator overloading function
cin>>c2;
do{
cout<<"Enter\n1.Addition\n2.Subtraction\n3.Multiplication\n4.Division\n0.Exit\n";
cout<<"Enter your choice: ";
cin>>ch;
switch(ch){
case 0:
break;
case 1:
c3=c1+c2;
cout<<"Addition: ";
cout<<c3;
break;
case 2:
c3=c1-c2;
cout<<"Subtraction: ";
cout<<c3;
break;
case 3:
c3=c1*c2;
cout<<"Multiplication: ";
cout<<c3;
break;
case 4:
c3=c1/c2;
cout<<"Division: ";
cout<<c3;
break;
default:
cout<<"Invalid choice\n";
}
}while(ch!=0);
return 0;
}