//File        : lab3Definitions.cpp
//Author      : Andre Long
//Due         : September 27, 2004
//Description : These are the function definitions of the "complex" class

#include<iostream>
#include "lab3Header.h"

/*******************************************************
*   Gets input from the user  with X value             *
*******************************************************/
void complex::read(float xReal)
{
	cin>>xReal;
    x = xReal;
    y = 0;
}

/******************************************************
* Gets input from user with X and Y values            *
******************************************************/
void complex::read(float xReal, float iImaginary)
{
    cin>>xReal>>iImaginary;
	x = xReal;
	y = iImaginary;
}


/******************************************************
* Prints results of operations to the screen          *
******************************************************/
void complex::write()
{
        if(y>=0)
	    {
           cout<<x<<" + "<<y<<"i"<<"\n";
	    }
	    else
	    {
           cout<<x<<" - "<<y<<"i"<<"\n";
	    }
}

/*****************************************************
* Adds two complex numbers                           *
*****************************************************/
void complex::add(complex &num1, complex &num2)
{
   float xx;
   float yy;

   xx = (num1.x)+(num2.x);
   yy = (num1.y)+(num2.y);
   x = xx;
   y = yy;
}

/****************************************************
* Subtracts two complex numbers                     *
****************************************************/
void complex::subtract(complex &num1, complex &num2)
{
   float xx;
   float yy;

   xx = (num1.x)-(num2.x);
   yy = (num1.y)-(num2.y);
   x = xx;
   y = yy;
}

/****************************************************
* Multiplies two complex numbers                    *
****************************************************/
void complex::multiply(complex &num1, complex &num2)
{
   float xx;
   float yy;

   xx = (num1.x)*(num2.x);
   yy = (num1.y)*(num2.y);
   x = xx;
   y = yy;
}

/****************************************************
* Multiplies one real number with a complex number  *
****************************************************/
void complex::multiply(float realNum, complex &num1)
{
   float xx;
   float yy;

   xx = (num1.x);
   yy = (num1.y);
   x = (realNum)*(xx);
   y = (realNum)*(yy);
}