2. Define, implement and test a Complex class, which has: (a) At least two const

Question

2. Define, implement and test a Complex class, which has: (a) At least two constructors. (b) A destructor. (c) Several Methods with functionality as described below: . Returns real part. Returns imaginary part. . Displays the number. . Computes magnitude. Computes polar co-ordinates. . Overloads operators +,. *and/, with the corresponding operations. Overloads the operator~for complex conjugate. Overloads the operators andfor comparison. The methods must make appropriate use of the reference variables, for arguments and re- turn types, as described in Prata, Chapter 10. For more details on operator overloading, refer to Prata, Chapter 11. (6 points)

Explanation / Answer

ANS:-

Given that,

, implement and test a Complex class, which has: (a) At least two constructors. (b) A destructor. (c)Several Methods with functionality as described below: . Returns real part. Returns imaginary part. . Displays the number. . Computes magnitude.

program:-

//main.cpp
#include <iostream>
#include "Complex.h"

using namespace std;

int main()
{
    Complex a(3.0, 4.0);
    Complex c;
    Complex temp;
  
    cout << "Enter a Complex number (q to quit): ";

    while (cin>>c)
    {
        cout << "c is " << c << endl;
        temp = ~c;
        cout << "Complex conjugate is " <<temp << endl;
        cout << "a is " << a << endl;
        temp = a+c;
        cout << "a + c is " << temp << endl;
        temp = a-c;
        cout << "a - c is " << temp<< endl;
        temp = a*c;
        cout << "a * c is " << temp << endl;
        temp = c*2;
        cout << "c * 2 is " << temp << endl;
        cout << "Enter a Complex number (q to quit): ";
    }
  
    cout << "Done! ";

    return 0;
}
-------------------------------------------------------------
//Complex.cpp
#include <iostream>
#include "Complex.h"
using namespace std;

Complex::~Complex()
{
    //do nothing
}

Complex Complex::operator+(Complex &c)
{
    Complex sum;
    sum.real = real + c.real;
    sum.imag = imag + c.imag;
    return sum;
}

Complex Complex::operator-(Complex &c)
{
    Complex diff;
    diff.real = real - c.real;
    diff.imag = imag - c.imag;
    return diff;
}

Complex Complex::operator*(double num) const
{
    Complex prod;
    prod.real = (real * num);
    prod.imag = (imag * num);
    return prod;
}

Complex operator*(Complex &c1,Complex &c2)
{
    Complex prod;
    prod.real = (c1.real * c2.real) - (c1.imag * c2.imag);
    prod.imag = (c1.real * c2.imag) + (c1.imag * c2.real);
    return prod;
  
}

Complex Complex::operator~()
{
    Complex conj;
    conj.real = real;
    conj.imag = imag * (-1);
    return conj;
}

std::ostream& operator<<(std::ostream &os,Complex &c)
{
    os << "("<<c.real<<","<<c.imag<<"i)"<<endl;
}

std::istream& operator>>(std::istream &is, Complex &c)
{
    cout<<"Real:";
    is>>c.real;
    cout<<"Imaginary:";
    is>>c.imag;
}
-------------------------------------------------
//Complex.h
#ifndef Complex_H
#define Complex_H

class Complex{

    private:
        int real;
        int imag;

    public:
        Complex()
        {
           real = 0;
           imag = 0;
        }
        Complex(int r, int i)
        {
            real = r;
            imag = i;
        }
        ~Complex();
      
        Complex operator+(Complex &c);
        Complex operator-(Complex &c);
        Complex operator*(double num) const;
        Complex operator~();

        friend Complex operator*(Complex &c1, Complex &c2);
        friend std::ostream& operator<<(std::ostream &os,Complex &c);
        friend std::istream& operator>>(std::istream &is,Complex &c);
};

#endif

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