diff -r d8475431bbbb -r 8e85e6bbefdf src/lemon/bin_heap.h
--- a/src/lemon/bin_heap.h	Sat May 21 21:04:57 2005 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,303 +0,0 @@
-/* -*- C++ -*-
- * src/lemon/bin_heap.h - Part of LEMON, a generic C++ optimization library
- *
- * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
- * (Egervary Research Group on Combinatorial Optimization, EGRES).
- *
- * Permission to use, modify and distribute this software is granted
- * provided that this copyright notice appears in all copies. For
- * precise terms see the accompanying LICENSE file.
- *
- * This software is provided "AS IS" with no warranty of any kind,
- * express or implied, and with no claim as to its suitability for any
- * purpose.
- *
- */
-
-#ifndef LEMON_BIN_HEAP_H
-#define LEMON_BIN_HEAP_H
-
-///\ingroup auxdat
-///\file
-///\brief Binary Heap implementation.
-
-#include <vector>
-#include <utility>
-#include <functional>
-
-namespace lemon {
-
-  /// \addtogroup auxdat
-  /// @{
-
-  /// A Binary Heap implementation.
-  
-  ///This class implements the \e binary \e heap data structure. A \e heap
-  ///is a data structure for storing items with specified values called \e
-  ///priorities in such a way that finding the item with minimum priority is
-  ///efficient. \c Compare specifies the ordering of the priorities. In a heap
-  ///one can change the priority of an item, add or erase an item, etc.
-  ///
-  ///\param Item Type of the items to be stored.  
-  ///\param Prio Type of the priority of the items.
-  ///\param ItemIntMap A read and writable Item int map, used internally
-  ///to handle the cross references.
-  ///\param Compare A class for the ordering of the priorities. The
-  ///default is \c std::less<Prio>.
-  ///
-  ///\sa FibHeap
-  ///\sa Dijkstra
-  template <typename Item, typename Prio, typename ItemIntMap,
-	    typename Compare = std::less<Prio> >
-  class BinHeap {
-
-  public:
-    typedef Item                             ItemType;
-    // FIXME: stl-ben nem ezt hivjak value_type -nak, hanem a kovetkezot...
-    typedef Prio                             PrioType;
-    typedef std::pair<ItemType,PrioType>     PairType;
-    typedef ItemIntMap                       ItemIntMapType;
-    typedef Compare                          PrioCompare;
-
-    /// \brief Type to represent the items states.
-    ///
-    /// Each Item element have a state associated to it. It may be "in heap",
-    /// "pre heap" or "post heap". The latter two are indifferent from the
-    /// heap's point of view, but may be useful to the user.
-    ///
-    /// The ItemIntMap \e should be initialized in such way that it maps
-    /// PRE_HEAP (-1) to any element to be put in the heap...
-    enum state_enum {
-      IN_HEAP = 0,
-      PRE_HEAP = -1,
-      POST_HEAP = -2
-    };
-
-  private:
-    std::vector<PairType> data;
-    Compare comp;
-    ItemIntMap &iim;
-
-  public:
-    /// \brief The constructor.
-    ///
-    /// The constructor.
-    /// \param _iim should be given to the constructor, since it is used
-    /// internally to handle the cross references. The value of the map
-    /// should be PRE_HEAP (-1) for each element.
-    explicit BinHeap(ItemIntMap &_iim) : iim(_iim) {}
-    
-    /// \brief The constructor.
-    ///
-    /// The constructor.
-    /// \param _iim should be given to the constructor, since it is used
-    /// internally to handle the cross references. The value of the map
-    /// should be PRE_HEAP (-1) for each element.
-    ///
-    /// \param _comp The comparator function object.
-    BinHeap(ItemIntMap &_iim, const Compare &_comp) 
-      : iim(_iim), comp(_comp) {}
-
-
-    /// The number of items stored in the heap.
-    ///
-    /// \brief Returns the number of items stored in the heap.
-    int size() const { return data.size(); }
-    
-    /// \brief Checks if the heap stores no items.
-    ///
-    /// Returns \c true if and only if the heap stores no items.
-    bool empty() const { return data.empty(); }
-
-  private:
-    static int parent(int i) { return (i-1)/2; }
-    static int second_child(int i) { return 2*i+2; }
-    bool less(const PairType &p1, const PairType &p2) const {
-      return comp(p1.second, p2.second);
-    }
-
-    int bubble_up(int hole, PairType p);
-    int bubble_down(int hole, PairType p, int length);
-
-    void move(const PairType &p, int i) {
-      data[i] = p;
-      iim.set(p.first, i);
-    }
-
-    void rmidx(int h) {
-      int n = data.size()-1;
-      if( h>=0 && h<=n ) {
-	iim.set(data[h].first, POST_HEAP);
-	if ( h<n ) {
-	  bubble_down(h, data[n], n);
-	}
-	data.pop_back();
-      }
-    }
-
-  public:
-    /// \brief Insert a pair of item and priority into the heap.
-    ///
-    /// Adds \c p.first to the heap with priority \c p.second.
-    /// \param p The pair to insert.
-    void push(const PairType &p) {
-      int n = data.size();
-      data.resize(n+1);
-      bubble_up(n, p);
-    }
-
-    /// \brief Insert an item into the heap with the given heap.
-    ///    
-    /// Adds \c i to the heap with priority \c p. 
-    /// \param i The item to insert.
-    /// \param p The priority of the item.
-    void push(const Item &i, const Prio &p) { push(PairType(i,p)); }
-
-    /// \brief Returns the item with minimum priority relative to \c Compare.
-    ///
-    /// This method returns the item with minimum priority relative to \c
-    /// Compare.  
-    /// \pre The heap must be nonempty.  
-    Item top() const {
-      return data[0].first;
-    }
-
-    /// \brief Returns the minimum priority relative to \c Compare.
-    ///
-    /// It returns the minimum priority relative to \c Compare.
-    /// \pre The heap must be nonempty.
-    Prio prio() const {
-      return data[0].second;
-    }
-
-    /// \brief Deletes the item with minimum priority relative to \c Compare.
-    ///
-    /// This method deletes the item with minimum priority relative to \c
-    /// Compare from the heap.  
-    /// \pre The heap must be non-empty.  
-    void pop() {
-      rmidx(0);
-    }
-
-    /// \brief Deletes \c i from the heap.
-    ///
-    /// This method deletes item \c i from the heap, if \c i was
-    /// already stored in the heap.
-    /// \param i The item to erase. 
-    void erase(const Item &i) {
-      rmidx(iim[i]);
-    }
-
-    
-    /// \brief Returns the priority of \c i.
-    ///
-    /// This function returns the priority of item \c i.  
-    /// \pre \c i must be in the heap.
-    /// \param i The item.
-    Prio operator[](const Item &i) const {
-      int idx = iim[i];
-      return data[idx].second;
-    }
-
-    /// \brief \c i gets to the heap with priority \c p independently 
-    /// if \c i was already there.
-    ///
-    /// This method calls \ref push(\c i, \c p) if \c i is not stored
-    /// in the heap and sets the priority of \c i to \c p otherwise.
-    /// \param i The item.
-    /// \param p The priority.
-    void set(const Item &i, const Prio &p) {
-      int idx = iim[i];
-      if( idx < 0 ) {
-	push(i,p);
-      }
-      else if( comp(p, data[idx].second) ) {
-	bubble_up(idx, PairType(i,p));
-      }
-      else {
-	bubble_down(idx, PairType(i,p), data.size());
-      }
-    }
-
-    /// \brief Decreases the priority of \c i to \c p.
-
-    /// This method decreases the priority of item \c i to \c p.
-    /// \pre \c i must be stored in the heap with priority at least \c
-    /// p relative to \c Compare.
-    /// \param i The item.
-    /// \param p The priority.
-    void decrease(const Item &i, const Prio &p) {
-      int idx = iim[i];
-      bubble_up(idx, PairType(i,p));
-    }
-    
-    /// \brief Increases the priority of \c i to \c p.
-    ///
-    /// This method sets the priority of item \c i to \c p. 
-    /// \pre \c i must be stored in the heap with priority at most \c
-    /// p relative to \c Compare.
-    /// \param i The item.
-    /// \param p The priority.
-    void increase(const Item &i, const Prio &p) {
-      int idx = iim[i];
-      bubble_down(idx, PairType(i,p), data.size());
-    }
-
-    /// \brief Returns if \c item is in, has already been in, or has 
-    /// never been in the heap.
-    ///
-    /// This method returns PRE_HEAP if \c item has never been in the
-    /// heap, IN_HEAP if it is in the heap at the moment, and POST_HEAP
-    /// otherwise. In the latter case it is possible that \c item will
-    /// get back to the heap again.
-    /// \param i The item.
-    state_enum state(const Item &i) const {
-      int s = iim[i];
-      if( s>=0 )
-	s=0;
-      return state_enum(s);
-    }
-
-  }; // class BinHeap
-
-  
-  template <typename K, typename V, typename M, typename C>
-  int BinHeap<K,V,M,C>::bubble_up(int hole, PairType p) {
-    int par = parent(hole);
-    while( hole>0 && less(p,data[par]) ) {
-      move(data[par],hole);
-      hole = par;
-      par = parent(hole);
-    }
-    move(p, hole);
-    return hole;
-  }
-
-  template <typename K, typename V, typename M, typename C>
-  int BinHeap<K,V,M,C>::bubble_down(int hole, PairType p, int length) {
-    int child = second_child(hole);
-    while(child < length) {
-      if( less(data[child-1], data[child]) ) {
-	--child;
-      }
-      if( !less(data[child], p) )
-	goto ok;
-      move(data[child], hole);
-      hole = child;
-      child = second_child(hole);
-    }
-    child--;
-    if( child<length && less(data[child], p) ) {
-      move(data[child], hole);
-      hole=child;
-    }
-  ok:
-    move(p, hole);
-    return hole;
-  }
-
-  ///@}
-
-} // namespace lemon
-
-#endif // LEMON_BIN_HEAP_H