#include "stdafx.h"
#define _USE_MATH_DEFINES
#include "info2_core.h"
#include "DiagramValues.h"
#include "plotter.h"
#include "windows.h"
#include <string.h>
#include <stdlib.h>
#include <iostream>
#include <math.h>
#include "time.h"
extern char acOutput[ciMaxText];
using namespace Informatik;


//Prototyp
double nullstellen (double,double,double);

//Struktur 1
struct Extrema{
	double NST1;
	double NST2;
	int ERG;
};
//Struktur 2
struct PolySrc{


};
struct PolyDst{

};
//Hauptprogramm
void Info2::Uebungen11(){

	double a=4;
	double b=2;
	double c=-2;
	Extrema ExtremaH ={};

	ExtremaH = nullstellen(ExtremaH);


	nullstellen(a,b,c);



	/*sprintf(acOutput, "%.2f ,%.2f",NS1,NS2);
	WriteText(200,200,acOutput);
	*/
   return;

}

//Unterprogramme 1

double nullstellen(double a, double b, double c){

	double NS1=0;
	double NS2=0;
	double D=0;
	int erg=0;

	D=(b*b)-(4*a*c);

	if(D>0 && a!=0){

		NS1=(-b+sqrt(D))/(2*a);
		NS2=(-b-sqrt(D))/(2*a);
		erg=2;
	}
	else if(D==0 && a!=0){

		NS1=-b/(2*a);
		erg=1;
	}
	else if(D<0 && a!=0){
		erg=0;
	}
	else if(a==0 && b!=0 && c!=0){

		NS1=(-c)/b;
		erg=1;
	}
	else erg=0;

	return;
}
//Unterprogramm 2