------------------------------------MAIN------------------------------------
// ul10.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "ComplexMath.h"

struct complex a;
struct complex b;
struct complex v; //vysledok
int por; //vysledok

typOperace operacia;
formatZobrazeni format;

int _tmain(int argc, _TCHAR* argv[])
{
	printf("Zadaj typ operacie 1=sucet,2=rozdiel,3=sucin\n");
	scanf_s("%d",&operacia);

	printf("Zadaj realnu a imaginarnu zlozku 1.\n");
	scanf_s("%lf%lf",&a.real,&a.imag);

	printf("Zadaj realnu a imaginarnu zlozku 2.\n");
	scanf_s("%lf%lf",&b.real,&b.imag);

	v=operace( a, b, operacia );
	por=porovnanie( a, b);
	printf("Navratova hodnota funkcie porovnanie je: %d\n",por);

	tisk( v, algebraicky );
	tisk( v, geometricky );

	return 0;
}








------------------------------------ComplexMath.h-----------------------------
#ifndef __COMPLEXMATH_H__
#define __COMPLEXMATH_H__

enum typOperace{soucet= 1, rozdil, soucin};
enum formatZobrazeni{algebraicky, geometricky};

struct complex
{
	double real;
	double imag;
};

struct complex operace( struct complex a, struct complex b, enum typOperace typ);
int porovnanie( struct complex a, struct complex b);
void tisk( struct complex a, enum formatZobrazeni format );

#endif

//






------------------------------------ComplexMath.cpp-----------------------------
#include "ComplexMath.h"
#include "stdafx.h"
#include "math.h"

#define PI 3.14

struct complex x;

struct complex operace( struct complex a, struct complex b, enum typOperace typ )
{

	switch(typ){
		case 1:
			a.real=a.real+b.real;
			a.imag=a.imag+b.imag;
			break;
		case 2:
			a.real=a.real-b.real;
			a.imag=a.imag-b.imag;
				break;
		case 3:
			a.real=a.real*b.real-a.imag*b.imag;
			a.imag=a.real*b.imag+a.imag*b.real;
			break;
		default:
			printf("Zla operacia\n");
			break;
	}

	return a;
}

int porovnanie( struct complex a, struct complex b)
{
	double velkostA;
	double velkostB;

	velkostA= sqrt((a.real)*(a.real)+(a.imag*a.imag));
	velkostB= sqrt((b.real*b.real)+(b.imag*b.imag));

   if(abs(velkostA)>abs(velkostB))
      return 1;
   if(abs(velkostA)<abs(velkostB))
      return -1;
   return 0;

}

void tisk( struct complex a, enum formatZobrazeni format )
{
	char zn='\0';

	switch(format){
		case algebraicky:
			if(a.imag>=0){zn='+';}
			printf("%.3lf%c%.3lfj\n",a.real,zn,a.imag);
			break;
		case geometricky:
			//printf("[%.3lf;%.3lf]\n",a.real,a.imag);
			//alebo printf("%.3lf*e^j%.3lfdeg\n",a.real,zn,a.imag);
			x.real=sqrt((a.real)*(a.real)+(a.imag*a.imag));
			if(a.imag>0&&a.real>0)
				x.imag= atan(abs(a.imag/a.real));
			else if(a.imag>0 && a.real<0)
				x.imag= PI-atan(abs(a.imag/a.real));
			else if(a.imag<0 && a.real<0)
				x.imag=-(PI-atan(abs(a.imag/a.real)));
			else
				x.imag=-atan(abs(a.imag/a.real));

			printf("%.3lf * e^j%.0lf\n",x.real,x.imag*180/PI);

			break;
		default:
			printf("Zly format");
			break;
	}





}