#ifndef __BHEAP_H__
#define __BHEAP_H__
#include <PCommon.h>
#include <CList.h>

#ifdef __cplusplus
class BHeap:public PriorityList {
      private:
	int Degree;
	BHeap *Father, *Child, *Brother;
	CList *FP;

	void Link(BHeap * z);	
	void Merge(BHeap * H);	
	  BHeap(Key_t IKey, Datas_t const &IDatas);	// Insert 
	Cell Insert(BHeap * x);	

      public:
	  BHeap(void);		// Constructor                         
	 ~BHeap(void);		// Destructor                          
	virtual int rn(void);
	virtual Key_t ReadKey(Cell C);
	virtual Datas_t ReadDatas(Cell C);

	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);	
};
#else
#error This librairy will only compile with a C++ compiler.
#endif
#endif