my_realisation.h

The realization of Simplex Method. It can be very useful for students. But there is only one problem

//---------------------------------------------------------------------------
#include <vcl.h>
#include <Grids.hpp>
//---------------------------------------------------------------------------

#include "Simplex.h"
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#pragma hdrstop
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class Rational
{
 public:
	Rational ();
	Rational (long int x, long int y);
	Rational inv ();
	friend Rational operator - (Rational a, Rational b);
	friend Rational operator + (Rational a, Rational b);
	friend Rational operator * (Rational a, Rational b);
	friend Rational operator / (Rational a, Rational b);
        bool operator > (Rational b);
        bool operator < (Rational b);
        bool operator <= (long int b);
        bool operator == (Rational b);
        bool operator == (long int b);
        bool operator != (Rational b);
        bool operator != (long int b);
        Rational operator = (Rational R);
        void Print(int i, int j);
        void Show ();
 private:
	long int NOD (long int x, long int y);
	void Abbr ();
 private:
	long int p, q;
	int sign;
};
//---------------------------------------------------------------------------

class RazrElement {
 public:
	RazrElement ();
        Rational Element;
        int xPosition;
        int yPosition;
};
//---------------------------------------------------------------------------

class SimReal {
 public:
	SimReal ();
        void GetValues (int x, int y);
        void FindBasis ();
        void GetSigma ();
        bool CheckSigmaIDX (int IDX);
        void Conversion();
        void ZFValue();
        void Print();
 private:
	Rational **Field_1;
        Rational **Field_2;
        Rational *Z_Function;
        Rational *Sigma;
        Rational *Basis;
        Rational ZFV;
 private:
        int SRx,SRy;
        RazrElement RE;
};
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