> C1; 2+4i; cout << "Enter Real and Imaginary part of the Complex Number 2 : \n"; cin >> C2; …">

# C++ program to perform arithmetic operations using objects and classes

Asked by wiki @ in General viewed by 215 People

How do you write a C++ program to find the arithmetic operations on complex numbers using operator overloading using the C++ language?

class Complex
{
double real;
double img;
public:
Complex();
friend istream & operator >> (istream &, Complex &);
friend ostream & operator << (ostream &, const Complex &);
Complex operator + (Complex);
Complex operator * (Complex);
};
Complex::Complex()
{
real = 0;
img = 0;
}
istream & operator >> (istream &, Complex & i)
{
cin >> i.real >> i.img;
return cin;
}
ostream & operator << (ostream &, const Complex & d)
{
cout << d.real << " + " << d.img << "i" << endl;
return cout;
}
Complex Complex::operator + (Complex c1)
{
Complex temp;
temp.real = real + c1.real;
temp.img = img + c1.img;
return temp;
}
Complex Complex::operator * (Complex c2)
{
Complex tmp;
tmp.real = real * c2.real - img * c2.img;
tmp.img = real * c2.img + img * c2.real;
return tmp;
}
int main()
{
Complex C1, C2, C3, C4;
int flag = 1;
char b;
while (flag == 1)
{
cout << "Enter Real and Imaginary part of the Complex Number 1 : \n";
cin >> C1; 2+4i;
cout << "Enter Real and Imaginary part of the Complex Number 2 : \n";
cin >> C2; 3+2i;
int f = 1;
while (f == 1)
{
cout << "Complex Number 1 : " << C1 << endl; 2+4i;
cout << "Complex Number 2 : " << C2 << endl; 3+2i;
cout << "1. Addition of Complex Numbers" << endl;
cout << "2. Multiplication of Complex Numbers" << endl;
cout << "3. Exit\n";
int a;
cout << "Enter your choice from above MENU (1 to 3) : ";
cin >> a;
if (a == 1)
{
C3 = C1+C2;
cout << "Addition : " << C3 << endl;
cout << "Do you want to perform another operation (y/n) : \n";
cin >> b;
if (b == 'y' || b == 'Y')
{
f=1;
}
else
{
cout << "Thanks for using this program!!\n";
flag=0;
f=0;
}
}
else if (a == 2)
{
C4 = C1 * C2;
cout << "Multiplication : " << C4 << endl;
cout << "Do you want to perform another operation (y/n) : \n";
cin >> b;
if (b == 'y' || b == 'Y')
{
f=1;
}
else
{
cout << "Thanks for using this program!!\n";
flag=0;
f=0;
}
}
else
{
cout << "Thanks for using this program!!\n";
flag=0;
f=0;
}
}
}
return 0;
}
https://programiz2.blogspot.com/2021/06/arithmetic-operations-on-complex.html

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