lazypower · May 1, 2011 17:05 · dimka11 · Oct 27, 2017 · shyamzzp · Dec 10, 2019
diff --git a/Complex.cpp b/Complex.cpp
 //Complex.cpp

 #include <iostream>
 #include "Complex.h"

 using std::cout;
 using std::endl;

 /**
 * Creates a new Complex with default values for real and imaginary
 * of zero. 
 */
 Complex::Complex()
 {
     setReal(0);
     setImaginary(0);
 }

 /**
 * Creates a new Complex with user-specified values. 
 */
 Complex::Complex(double real, double imaginary)
 {
 	setReal(real);
 	setImaginary (imaginary);
 }

 /**
 * Default destructor of Complex.
 */
 Complex::~Complex()
 {
 }

 /**
 * Return the value of the real portion of the complex number.
 */
 double Complex::getReal() const
 {
 	return real;
 }

 /**
 * Return the value of the imaginary portion of the complex number.
 */
 double Complex::getImaginary() const
 {
 	return imaginary;
 }

 /**
 * Set the value of the real portion to a new value. 
 */
 void Complex::setReal(double real)
 {
 	this->real = real;
 }

 /**
 * Set the value of the imaginary portion to a new value.
 */
 void Complex::setImaginary(double imaginary)
 {
 	this->imaginary = imaginary;
 }

 /**
 * Adds two Complex numbers together and returns the sum.
 */
 Complex Complex::add(const Complex & right) const
 {
      Complex sum(getReal() + right.getReal(), 
 	 	  getImaginary() + right.getImaginary());

 	return sum;
 }

 /**
 * Adds two Complex numbers together and returns the sum.
 */
 Complex Complex::operator+(const Complex & right) const
 {
     cout<<"Complex::operator+(const Complex & right) const is called"<<endl;
      Complex sum(getReal() + right.getReal(), 
 	 	  getImaginary() + right.getImaginary());

 	return sum;
 }


 /**
 * Adds a real number and a Complex numbers together and returns the sum.
 */
 Complex Complex::operator+(double realNumber) const
 {
     cout<<"Complex::operator+(double realNumber) const is called"<<endl;

      Complex sum(getReal() + realNumber, getImaginary());

 	return sum;
 }


 /**
 * The global function performs complexObject3 = realNumber + complexObject1
 */
 Complex operator+(double realNumber, Complex & right) 
 {

     cout<<"operator+(double realNumber, const Complex & right) is called"<<endl;
     Complex sum(realNumber+right.getReal(), right.getImaginary());

     return sum;
 }


 /**
 * The overloading +=
 */
 void Complex::operator+=(Complex & right) 
 {

    cout<<"Complex::operator+=(const Complex & right) is called"<<endl;
     setReal(getReal( )+right.getReal());
     setImaginary(getImaginary()+right.getImaginary());
 }


 /**
 * Subtracts two Complex numbers together and returns the result. 
 */
 Complex Complex::subtract(const Complex & right) const
 {
 	return Complex (getReal() - right.getReal(), 
 			getImaginary() - right.getImaginary());

 }

 /**
 * Subtracts two Complex numbers together and returns the result. 
 */
 Complex Complex::operator-(const Complex & right) const
 {
        cout<<"Complex::operator-(const Complex & right) const is called"<<endl;

 	return Complex (getReal() - right.getReal(), 
 			getImaginary() - right.getImaginary());

 }

 /**
 * copy a complex number. 
 */
 void Complex::copy(const Complex & right)
 {
     setReal(right.getReal());
     setImaginary(right.getImaginary());
 }

 /**
 * copy a complex number. 
 */
 void Complex::operator=(const Complex & right)
 {
   cout<<"Complex::operator=(const Complex & right) is called"<<endl;
    setReal(right.getReal());
    setImaginary(right.getImaginary());
 }



 void Complex::operator=(const double h)
 {
   setReal(h);
   setImaginary(0);
 }

 /**
 * Compare two complex numbers
 */
 bool Complex::operator== (Complex & right) const
 {

   cout<<"Complex::operator==(const Complex & right) const is called"<<endl;

    if (getReal() == right.getReal()  &&
        getImaginary() == right.getImaginary())
        return true;
    else
        return false;
 }

 /**
 * Prints the complex number in the form (real, imaginary) 
 */
 void Complex::print()
 {
 	cout << "(" << getReal() << ", " << getImaginary() << ")" << endl;
 }



 /**
 * Overloading input stream operator
 * Complex class could perform I/O like built-in type.
 * The format is "(real, imaginary)"
 */

 istream& operator>>(istream & input, Complex & cNumber)
 {
   double real, imaginary;

   input.ignore(256, '('); //ignor (

   input>>real;  //read real part

   input.ignore(256,','); //white spaces up to next "," are ignored.
   
   input>>imaginary;  //read imaginary part

   input.ignore(256,')');  //ignore white spaces after it.

   if (input.good())
   {
       cNumber.real = real;
       cNumber.imaginary = imaginary;
   }

   return input;  // enable cin >> c1 >> c2 >> c3
 }

 /**
 * Overloading input stream operator
 * Complex class could perform I/O like built-in type.
 * The format is "(real, imaginary)"
 */
 ostream& operator<<(ostream & output, const Complex & cNumber)
 {
    output<<"(" <<cNumber.real<<", "<<cNumber.imaginary<<")";

    return output;  //enable cout << c1 << c2 << c3
 }
diff --git a/Complex.h b/Complex.h
 //Complex.h

 #ifndef COMPLEX_H
 #define COMPLEX_H

 #include <iostream>
 using std::istream;
 using std::ostream;

 class Complex
 {
      
        friend istream & operator>>(istream &, Complex &); //overloading input stream operator
        friend ostream & operator<<(ostream &, const Complex &); //overloading output stream operator

 	public:
 		
 		Complex();  //default constructor
 		Complex(double, double); //constructor
 		
      	        ~Complex();//destructor
 		
                //adding two complex numbers
 		Complex add(const Complex &) const; 

                Complex operator+(const Complex &) const ;

                //adding a realnumber and a complex number
                Complex operator+(double) const;

                //adding two complex number and update the original complex number
                void operator+=(Complex &);

                //subtracting two complex numbers
 		Complex subtract(const Complex &) const; 
                Complex operator-(const Complex &) const;

                //copy a complex number
                void copy(const Complex &);
                void operator=(const Complex &);
                void operator=(const double);
                                             
                //compare two complex numbers
                bool operator==(Complex &) const;

 		void print();    //print complex number format
 		
 		double getReal() const;//getters
 		double getImaginary() const;
 		

 		void setReal(double);  //setters
 		void setImaginary(double);
 		
 	private:
 				
 		double real;
 		double imaginary;

 };  //end of class


 Complex operator+(double realNumber, Complex & right) ;


 #endif
diff --git a/driver.cpp b/driver.cpp
 #include <iostream>
 #include "Complex.h"
 using namespace std;

 int main()
 {
 	Complex a( 1, 7), b(0, 2), c;

 	a.print();
 	cout << " + ";
 	b.print();
 	cout << " = ";
 	//cout = a.add( b );
 	//c.printComplex();

 }
	//Complex.cpp

	#include <iostream>
	#include "Complex.h"

	using std::cout;
	using std::endl;

	/**
	* Creates a new Complex with default values for real and imaginary
	* of zero.
	*/
	Complex::Complex()
	{
	setReal(0);
	setImaginary(0);
	}

	/**
	* Creates a new Complex with user-specified values.
	*/
	Complex::Complex(double real, double imaginary)
	{
	setReal(real);
	setImaginary (imaginary);
	}

	/**
	* Default destructor of Complex.
	*/
	Complex::~Complex()
	{
	}

	/**
	* Return the value of the real portion of the complex number.
	*/
	double Complex::getReal() const
	{
	return real;
	}

	/**
	* Return the value of the imaginary portion of the complex number.
	*/
	double Complex::getImaginary() const
	{
	return imaginary;
	}

	/**
	* Set the value of the real portion to a new value.
	*/
	void Complex::setReal(double real)
	{
	this->real = real;
	}

	/**
	* Set the value of the imaginary portion to a new value.
	*/
	void Complex::setImaginary(double imaginary)
	{
	this->imaginary = imaginary;
	}

	/**
	* Adds two Complex numbers together and returns the sum.
	*/
	Complex Complex::add(const Complex & right) const
	{
	Complex sum(getReal() + right.getReal(),
	getImaginary() + right.getImaginary());

	return sum;
	}

	/**
	* Adds two Complex numbers together and returns the sum.
	*/
	Complex Complex::operator+(const Complex & right) const
	{
	cout<<"Complex::operator+(const Complex & right) const is called"<<endl;
	Complex sum(getReal() + right.getReal(),
	getImaginary() + right.getImaginary());

	return sum;
	}


	/**
	* Adds a real number and a Complex numbers together and returns the sum.
	*/
	Complex Complex::operator+(double realNumber) const
	{
	cout<<"Complex::operator+(double realNumber) const is called"<<endl;

	Complex sum(getReal() + realNumber, getImaginary());

	return sum;
	}


	/**
	* The global function performs complexObject3 = realNumber + complexObject1
	*/
	Complex operator+(double realNumber, Complex & right)
	{

	cout<<"operator+(double realNumber, const Complex & right) is called"<<endl;
	Complex sum(realNumber+right.getReal(), right.getImaginary());

	return sum;
	}


	/**
	* The overloading +=
	*/
	void Complex::operator+=(Complex & right)
	{

	cout<<"Complex::operator+=(const Complex & right) is called"<<endl;
	setReal(getReal( )+right.getReal());
	setImaginary(getImaginary()+right.getImaginary());
	}


	/**
	* Subtracts two Complex numbers together and returns the result.
	*/
	Complex Complex::subtract(const Complex & right) const
	{
	return Complex (getReal() - right.getReal(),
	getImaginary() - right.getImaginary());

	}

	/**
	* Subtracts two Complex numbers together and returns the result.
	*/
	Complex Complex::operator-(const Complex & right) const
	{
	cout<<"Complex::operator-(const Complex & right) const is called"<<endl;

	return Complex (getReal() - right.getReal(),
	getImaginary() - right.getImaginary());

	}

	/**
	* copy a complex number.
	*/
	void Complex::copy(const Complex & right)
	{
	setReal(right.getReal());
	setImaginary(right.getImaginary());
	}

	/**
	* copy a complex number.
	*/
	void Complex::operator=(const Complex & right)
	{
	cout<<"Complex::operator=(const Complex & right) is called"<<endl;
	setReal(right.getReal());
	setImaginary(right.getImaginary());
	}



	void Complex::operator=(const double h)
	{
	setReal(h);
	setImaginary(0);
	}

	/**
	* Compare two complex numbers
	*/
	bool Complex::operator== (Complex & right) const
	{

	cout<<"Complex::operator==(const Complex & right) const is called"<<endl;

	if (getReal() == right.getReal() &&
	getImaginary() == right.getImaginary())
	return true;
	else
	return false;
	}

	/**
	* Prints the complex number in the form (real, imaginary)
	*/
	void Complex::print()
	{
	cout << "(" << getReal() << ", " << getImaginary() << ")" << endl;
	}



	/**
	* Overloading input stream operator
	* Complex class could perform I/O like built-in type.
	* The format is "(real, imaginary)"
	*/

	istream& operator>>(istream & input, Complex & cNumber)
	{
	double real, imaginary;

	input.ignore(256, '('); //ignor (

	input>>real; //read real part

	input.ignore(256,','); //white spaces up to next "," are ignored.

	input>>imaginary; //read imaginary part

	input.ignore(256,')'); //ignore white spaces after it.

	if (input.good())
	{
	cNumber.real = real;
	cNumber.imaginary = imaginary;
	}

	return input; // enable cin >> c1 >> c2 >> c3
	}

	/**
	* Overloading input stream operator
	* Complex class could perform I/O like built-in type.
	* The format is "(real, imaginary)"
	*/
	ostream& operator<<(ostream & output, const Complex & cNumber)
	{
	output<<"(" <<cNumber.real<<", "<<cNumber.imaginary<<")";

	return output; //enable cout << c1 << c2 << c3
	}
	//Complex.h

	#ifndef COMPLEX_H
	#define COMPLEX_H

	#include <iostream>
	using std::istream;
	using std::ostream;

	class Complex
	{

	friend istream & operator>>(istream &, Complex &); //overloading input stream operator
	friend ostream & operator<<(ostream &, const Complex &); //overloading output stream operator

	public:

	Complex(); //default constructor
	Complex(double, double); //constructor

	~Complex();//destructor

	//adding two complex numbers
	Complex add(const Complex &) const;

	Complex operator+(const Complex &) const ;

	//adding a realnumber and a complex number
	Complex operator+(double) const;

	//adding two complex number and update the original complex number
	void operator+=(Complex &);

	//subtracting two complex numbers
	Complex subtract(const Complex &) const;
	Complex operator-(const Complex &) const;

	//copy a complex number
	void copy(const Complex &);
	void operator=(const Complex &);
	void operator=(const double);

	//compare two complex numbers
	bool operator==(Complex &) const;

	void print(); //print complex number format

	double getReal() const;//getters
	double getImaginary() const;


	void setReal(double); //setters
	void setImaginary(double);

	private:

	double real;
	double imaginary;

	}; //end of class


	Complex operator+(double realNumber, Complex & right) ;


	#endif
	#include <iostream>
	#include "Complex.h"
	using namespace std;

	int main()
	{
	Complex a( 1, 7), b(0, 2), c;

	a.print();
	cout << " + ";
	b.print();
	cout << " = ";
	//cout = a.add( b );
	//c.printComplex();

	}