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- #ifndef HEAP_H
- #define HEAP_H
-
- /*$Header: /afs/alw.nih.gov/unix/sun4_40c/usr/local/src/nihcl-3.0/share/lib/RCS/Heap.h,v 3.0 90/05/20 00:19:43 kgorlen Rel $*/
-
- /* Heap.h -- declarations for abstract heap
-
- THIS SOFTWARE FITS THE DESCRIPTION IN THE U.S. COPYRIGHT ACT OF A
- "UNITED STATES GOVERNMENT WORK". IT WAS WRITTEN AS A PART OF THE
- AUTHOR'S OFFICIAL DUTIES AS A GOVERNMENT EMPLOYEE. THIS MEANS IT
- CANNOT BE COPYRIGHTED. THIS SOFTWARE IS FREELY AVAILABLE TO THE
- PUBLIC FOR USE WITHOUT A COPYRIGHT NOTICE, AND THERE ARE NO
- RESTRICTIONS ON ITS USE, NOW OR SUBSEQUENTLY.
-
- Author:
- C. J. Eppich
- Computer Systems Laboratory, DCRT
- National Institutes of Health
- Bethesda, MD 20892
-
- $Log: Heap.h,v $
- * Revision 3.0 90/05/20 00:19:43 kgorlen
- * Release for 1st edition.
- *
- */
-
- #include "Collection.h"
- #include "OrderedCltn.h"
- #include "ArrayOb.h"
-
- class Heap: public SeqCltn {
- DECLARE_MEMBERS(Heap);
- int endIndex;
- ArrayOb contents;
- private: // static member functions
- static int child(int i) { return (i << 1) + 1; }
- static int grandchild(int i) { return (child(i) << 1) + 1; }
- static int parent(int i) { return (i - 1) >> 1; }
- static int level(int);
- private:
- void bubbleUp(int);
- void bubbleUpMax(int);
- void bubbleUpMin(int);
- int descendents(int) const;
- void errEmpty(const char* fn) const;
- int largest(int,int) const;
- Object* removeAtIndex(int i);
- int smallest(int,int) const;
- void swap(int a,int b) {
- Object* temp = contents[a];
- contents[a] = contents[b];
- contents[b] = temp;
- }
- void trickleDown(int);
- void trickleDownMax(int);
- void trickleDownMin(int);
- protected: // storer() functions for object I/O
- virtual void storer(OIOofd&) const;
- virtual void storer(OIOout&) const;
- public:
- Heap(int size=DEFAULT_CAPACITY);
- Heap(const ArrayOb&);
- #ifndef BUG_TOOBIG
- // yacc stack overflow
- Heap(const Heap&);
- #endif
- void operator=(const Heap&);
- bool operator==(const Heap&) const;
- bool operator!=(const Heap& a) const { return !(*this==a); }
- virtual Object* add(Object&);
- virtual Object*& at(int index);
- virtual const Object *const& at(int index) const;
- virtual unsigned capacity() const;
- virtual void deepenShallowCopy();
- virtual void doFinish(Iterator& pos) const;
- virtual Object* doNext(Iterator&) const;
- virtual void doReset(Iterator& pos) const;
- virtual Object* first() const;
- virtual unsigned hash() const;
- virtual bool isEmpty() const;
- virtual Object* last() const;
- virtual unsigned occurrencesOf(const Object&) const;
- virtual Object* remove(const Object&);
- virtual void removeAll();
- virtual Object* removeFirst();
- virtual Object* removeId(const Object&);
- virtual Object* removeLast();
- virtual void reSize(int newSize);
- virtual unsigned size() const;
- OrderedCltn sort();
- private: // shouldNotImplement()
- virtual void atAllPut(Object& ob);
- virtual int indexOf(const Object& ob) const;
- virtual int indexOfSubCollection(const SeqCltn& cltn, int start=0) const;
- virtual void replaceFrom(int start, int stop, const SeqCltn& replacement, int startAt =0);
- };
-
- #endif
-