Created
June 30, 2019 15:40
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Operator Overloading in CPP
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#include<iostream> | |
using namespace std; | |
class complex | |
{ | |
float real; | |
float img; | |
public: | |
complex() | |
{ | |
real=0.0; | |
img=0.0; | |
} | |
complex(float freal, float fimg) | |
{ | |
real=freal; | |
img=fimg; | |
} | |
~complex() | |
{ | |
} | |
complex operator (complex &obj) | |
{ | |
cout<<endl<<"------Operator Overloading------"<<endl; | |
complex res; | |
res.real = real obj.real; | |
res.img = img obj.img; | |
cout<<endl<<"Successfully Overloaded"<<endl; | |
return res; | |
} | |
complex operator * (complex &obj) | |
{ | |
cout<<endl<<"------Operator * Overloading------"<<endl; | |
complex res; | |
res.real=(real*obj.real)-(img*obj.img); | |
res.img=(real*obj.img) (img*obj.real); | |
cout<<endl<<"Successfully Overloaded"<<endl; | |
return res; | |
} | |
complex operator - (complex &obj) | |
{ | |
cout<<endl<<"------Operator - Overloading------"<<endl; | |
complex res; | |
res.real = real - obj.real; | |
res.img = img - obj.img; | |
cout<<endl<<"Successfully Overloaded"<<endl; | |
return res; | |
} | |
complex operator () | |
{ | |
cout<<endl<<"------Pre Increment Operator Overloading------"<<endl; | |
complex res; | |
res.real= real; | |
res.img= img; | |
cout<<endl<<"Successfully Overloaded"<<endl; | |
return res; | |
} | |
complex operator (int) | |
{ | |
cout<<endl<<"------Post Increment Operator Overloading------"<<endl; | |
complex res; | |
res.real=real ; | |
res.img=img ; | |
cout<<endl<<"Successfully Overloaded"<<endl; | |
return res; | |
} | |
friend ostream & operator <<(ostream &O, complex &obj); | |
friend istream & operator >>(istream &I, complex &obj); | |
}; | |
ostream & operator <<(ostream &O, complex &obj) | |
{ | |
cout<<endl<<"------Operator << Overloading------"<<endl; | |
O<<obj.real<<" i"<<obj.img; | |
return O; | |
} | |
istream & operator >>(istream &I, complex &obj) | |
{ | |
cout<<endl<<"------Operator >> Overloading------"<<endl; | |
cout<<"Enter the real part of the complex number: "; | |
cin>>obj.real; | |
cout<<"Enter the imaginary part of the complex number: "; | |
cin>>obj.img; | |
return I; | |
} | |
int main() | |
{ | |
int choice2,choice3; | |
char choice1; | |
complex c1,c2,c3; | |
while(true) | |
{ | |
cout<<endl<<endl<<"--------Enter your choice:-------- "<<endl; | |
cout<<"A. To Overload Unary Operator: "<<endl; | |
cout<<"B. To Overload Binary Operator: "<<endl; | |
cout<<"C. To Exit "<<endl; | |
cin>>choice1; | |
if(choice1=='A' || choice1=='a') | |
{ | |
cout<<endl<<"One operand is needed to be entered: "<<endl; | |
cin>>c1; | |
cout<<endl<<"--------Enter your choice:-------- "<<endl; | |
cout<<"1. For Pre Increment Overloading "<<endl; | |
cout<<"2. For Post Increment Overloading"<<endl; | |
fflush(stdin); | |
cin>>choice2; | |
if(choice2==1) | |
{ | |
c1; | |
} | |
else | |
{ | |
c1 ; | |
} | |
cout<<c1; | |
} | |
else if(choice1=='B' || choice1=='b') | |
{ | |
cout<<endl<<"Two Operands needed to be entered :"<<endl; | |
cout<<"Enter the first operand:"<<endl; | |
fflush(stdin); | |
cin>>c1; | |
cout<<"Enter the second operand:"<<endl; | |
fflush(stdin); | |
cin>>c2; | |
cout<<endl<<"--------Enter your choice:-------- "<<endl; | |
cout<<endl<<"1. For Overloading "<<endl; | |
cout<<"2. For - Overloading "<<endl; | |
cout<<"3. For * Overloading "<<endl; | |
fflush(stdin); | |
cin>>choice2; | |
if(choice2==1) | |
{ | |
c3=c1 c2; | |
cout<<c3; | |
} | |
else if(choice2==2) | |
{ | |
c3=c1-c2; | |
cout<<c3; | |
} | |
else if(choice2==3) | |
{ | |
c3=c1*c2; | |
cout<<c3; | |
} | |
else | |
{ | |
} | |
} | |
else if (choice1=='C' || choice1=='c') | |
{ | |
cout<<endl<<"Exiting!"; | |
break; | |
} | |
else | |
cout<<endl<<"Wrong choice!"; | |
} | |
return 0; | |
} |
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