#ifndef __FHEAP_H__
#define __FHEAP_H__
#include <PCommon.h>
#define DFMAX 128

#ifdef __cplusplus
typedef class FHeap:public PriorityList {
      private:
	FHeap * Father, *Child, *Left, *Right;
	int Degree;
	bool Mark;

	void Link(FHeap * x);
	void Rebuild(void);
	  FHeap(Key_t IKey, Datas_t const &IDatas);	// Insert 
	FHeap *Insert(FHeap * x);
	void Cut(FHeap * x, FHeap * y);
	void CascadeCut(FHeap * y);

      public:
	  FHeap(void);		// Constructor                         
	 ~FHeap(void);		// Destructor

	virtual int rn(void);

	virtual void Dump(ostream & os);
	virtual bool IsEmpty(void);

	virtual Cell Min(void);
	virtual Cell Insert(Key_t IKey, Datas_t const &IDatas);
	virtual Key_t Extract_Min(Datas_t & Datas);
	virtual PriorityList *Union(PriorityList * P);
	virtual bool Lower_Key(Cell x, Key_t NKey);
	virtual Key_t Delete(Datas_t & Datas, Cell x);
} FHeap;
#else
#error This librairy will only compile with a C++ compiler.
#endif
#endif