Question

Create a class called Complex for performing arithmetic with complex numbers.
Write a program to test your class. Complex numbers have the form
realPart + imaginaryPart * i
Use double variables to represent the private data of the class. Provide a constructor that enables an object of this class to constructor should contain default values in case no initializers are provided. Provide public member functions that perform the following tasks:initialized when it's declared. The
1. a) Adding two Complex numbers: The real parts are added together and the imaginary parts are added together.
2. b) Subtracting two Complex numbers: The real part of the right operand is subtracted from the real part of the left operand, and the imaginary part of the right operand is subtracted from the imaginary part of the left operand.
3. c) Printing Complex numbers in the form (a, b), where a is the real part and b is the imaginary part.

Answer 1

There are four arithmetic functions in the class. Real and imaginary components of two complex numbers are supplied by the user separately.

All operations are performed on double data types. c++ CodeBlocks IDE was used to test the code.

#include <iostream>

using namespace std;

//**********COMPLEX CLASS************************

class Complex{

private:

double real,imag;

public:

Complex(){

 real=imag=0;

}

///////////////////////////////////////////////////

Complex(double r){

 real=r;

 imag=0;

}

   ///////////////////////////////////////////////////

Complex(double r, double i){

 real=r;

 imag=i;

}

   ///////////////////////////////////////////////////

Complex(Complex &obj){

 real=obj.real;

 imag=obj.imag;

}

   ///////////////////////////////////////////////////

Complex add(Complex c){

       Complex Add;

 Add.real = real + c.real;

 Add.imag = imag + c.imag;

       return Add;

}

   ///////////////////////////////////////////////////

Complex sub(Complex c){

 Complex Sub;

 Sub.real = real - c.real;

 Sub.imag = imag - c.imag;

 return Sub;

}

   ///////////////////////////////////////////////////

Complex mult(Complex c){

       Complex Mult;

 Mult.real = real*c.real - imag*c.imag;

 Mult.imag = real*c.imag - c.real*imag;

 return Mult;

}

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