/****************************************************************File Name:   cfentry.hAuthor: Tian Zhang, CS Dept., Univ. of Wisconsin-Madison, 1995               Copyright(c) 1995 by Tian Zhang                   All Rights ReservedPermission to use, copy and modify this software must be grantedby the author and provided that the above copyright notice appear in all relevant copies and that both that copyright notice and this permission notice appear in all relevant supporting documentations. Comments and additions may be sent the author at zhang@cs.wisc.edu.******************************************************************/#ifndef CFENTRY_H#define CFENTRY_Hclass Entry {public: 	int n;	Vector sx;	double sxx;#ifdef RECTANGLE	Rectangle rect;#endif	Entry();	void Init(short d);	void Reset();        Entry (const Entry& ent);	~Entry();		void operator=(const Entry& ent);	void operator=(const int val);	void operator=(const Vector& v);	short Dim() const;	int N() const;	void SX(Vector &tmpsx) const;	double SXX() const;	// can be calculated from n,sx,sxx	void X0(Vector &tmpx0) const;	double Diameter() const;	double Radius() const;	double Fitness(short ftype) const;	double Norm_Kernel_Density_Effect(const Vector &x, double h) const;	double Norm_Kernel_Prob_Effect(const Vector &a, double h) const; 	double Unif_Kernel_Density_Effect(const Vector &x, double h) const;	double Unif_Kernel_Prob_Effect(const Vector &a, double h) const; #ifdef RECTANGLE	// Rectangle Rect() const;	void Rect(Rectangle &tmprect) const;#endif	void operator+=(const Entry &ent);	void operator-=(const Entry &ent);	// Entry operator+(const Entry& ent) const;	void Add(const Entry& e1, const Entry& e2);	// Entry operator-(const Entry& ent) const;	void Sub(const Entry& e1, const Entry& e2);	void Transform(const Vector &W, const Vector &M);	void Visualize_Circle(ostream &fo) const;	void Visualize_Circle(ofstream &fo) const;	void Visualize_Rectangle(ostream &fo) const;	void Visualize_Rectangle(ofstream &fo) const;	// D0 euclidian distance of centroids	double operator||(const Entry& ent) const;	// D1 manhatan distance of centroids	double operator^(const Entry& ent) const;	// D2 inter-cluster distance before merge	double operator|(const Entry& ent) const; 	// D3 intra-cluster distance after merge	double operator&(const Entry& ent) const;	// variance increase distance D4	double Entry::operator&&(const Entry& v2) const;// input entry friend istream &operator>>(istream &fi, Entry &ent); friend ifstream &operator>>(ifstream &fi, Entry &ent);// input data point as entry:friend istream &operator>=(istream &fi, Entry &ent);friend ifstream &operator>=(ifstream &fi, Entry &ent);// output entryfriend ostream &operator<<(ostream &fo, const Entry &ent);friend ofstream &operator<<(ofstream &fo, const Entry &ent);// connectivity testsfriend short connected(const Entry& ent1, const Entry& ent2);friend short connected(const Entry& ent1, const Entry& ent2, short ftype, double Ft, double density);// Rf'' effects friend double Norm_Kernel_Rf_Effect(const Entry& ent1, const Entry& ent2,double h);friend double Unif_Kernel_Rf_Effect(const Entry& ent1, const Entry& ent2,double h);};istream &operator>>(istream &fi, Entry &ent); ifstream &operator>>(ifstream &fi, Entry &ent);istream &operator>=(istream &fi, Entry &ent);ifstream &operator>=(ifstream &fi, Entry &ent);ostream &operator<<(ostream &fo, const Entry &ent);ofstream &operator<<(ofstream &fo, const Entry &ent);short connected(const Entry& ent1, const Entry& ent2);short connected(const Entry& ent1, const Entry& ent2, short ftype, double Ft);double Norm_Kernel_Rf_Effect(const Entry& ent1, const Entry& ent2,double h);double Unif_Kernel_Rf_Effect(const Entry& ent1, const Entry& ent2,double h);#endif CFENTRY_H