complexmodified.cpp

It s a c++ program to perform some operations on complex numbers

/*******************PROGRAM TO DO FOLLOWINGS**************************
*		TAKE INPUT OF TWO COMPLEX NUMBERS							 *
*		ASKING TO ADD,SUBTRACT OR TAKE CONJUGATE OF THEM			 *
*		FINDING THEIR MAGNITUDE AND CALCULATING ANGLE IN DEGREES	 *
*		MULTIPLY TWO COMPLEX NUBERS									 *
*********************************************************************/


#include <iostream.h>
#include <math.h>

class Complex
{
	private:
		double real,imaginary;

	public:
		 Complex add(Complex c);
		 Complex subtract(Complex c);
		 Complex conjugate();
		 Complex multiply(Complex);
		 double magnitude();
		 double angle();
		
//Setters functions		 
		 void set_real(double r);
		 void set_imaginary(double i);
		 
//Getters functions

		double get_real();
		double get_imaginary();

};

/******************Defining add function****************************/

Complex Complex ::  add(Complex c)
{
	class Complex c1;

	c1.real = real + c.real;
	c1.imaginary = imaginary + c.imaginary;

	return c1;

}

/******************Defining subtract function********************/

Complex Complex ::  subtract(Complex c)
{
	class Complex c1;

	c1.real = real - c.real;
	c1.imaginary = imaginary - c.imaginary;

	return c1;

}

/******************Defining conjugate function********************/

Complex Complex ::  conjugate()
{
	Complex c;
	if((imaginary < 0) || (imaginary > 0))
		imaginary = -imaginary;
		
	c.real = real;
	c.imaginary = imaginary;

	return c;

}

/*****************Defining multiply functions*******************/

Complex Complex :: multiply(Complex c)
{
	Complex c3;
	
	c3.real = (real*c.real) - (imaginary*c.imaginary);
	c3.imaginary = (real*c.imaginary) + (imaginary*c.real);
	
	return c3;
}

/*****************Defining magnitude function*****************/
double Complex :: magnitude()
{
	double mag;
	mag = sqrt((pow(real,2))+ (pow(imaginary,2)));
	return mag;
}

/*****************Defining angle function********************/

double Complex :: angle()
{
	double ang;
	ang = atan2(real,imaginary);
	ang *= 180/3.14;
	return ang;
}

/*****************Defining set_real function*****************/

void Complex :: set_real(double r)
{
	real = r;
}

/****************Defining set_imaginary function************/

void Complex :: set_imaginary(double i)
{
	imaginary = i;
}

/****************Defining get_real fumction****************/

double Complex :: get_real()
{
	return real;
}

/****************Defining get_imaginary function***********/

double Complex :: get_imaginary()
{
	return imaginary;
}

/*****************Defining main******************************/	

int main (void)
{
	class Complex c1,c2,c3;
	double r1,r2,i1,i2;
	char c,op = ' ' ,judge='0';

	//Taking input

	cout <<"Please Enter Your Two Complex Numbers (format:- real  imaginary)" << endl;
	cin >> r1 >> i1 >> r2 >> i2;
	
	//Setting values
	
	c1.set_real(r1);
	c1.set_imaginary(i1);
	c2.set_real(r2);
	c2.set_imaginary(i2);

	//Asking for task to perform

	cout << "Press small 'a' for addition,'s' for subtraction and 'c' for conjugate" <<endl;
	cin >> c;

	if(c == 'a')
	{	
		c3 = c1.add(c2);

	}
	
	else if (c == 's')
	{
		c3 = c1.subtract(c2);
	
	}
	
	else if(c == 'c')
	{
		c3 = c1.conjugate();
	
	}
	
	else
	{
		cout <<"KHAYA PIYA KUCH NAI, GLASS TORA BARA ANA" <<endl;
		judge = '1';
	}
	if (c3.get_imaginary() >= 0)
		op = '+';
	
	if(judge == '0')
		cout << "The output of your input gives" << endl<< c3.get_real() << op << c3.get_imaginary() << "i"<<endl;
	
	//Displying magnitude and angle (in degrees) 	
	
	cout << "The magnitude and angle of 1st comlplex number are\n" << c1.magnitude() << "\n" << c1.angle()<<endl;
	cout << "The magnitude and angle of 2nd comlplex number are\n" << c2.magnitude()<< "\n" << c2.angle()<<endl;	
	
	c3 = c1.multiply(c2);
	if(c3.get_imaginary() >=0)
		op = '+';
	
	cout << "The multiplication of your numbers give\n" << c3.get_real() << op<<c3.get_imaginary()<<"i"<<endl;
	
	return 0;
}