creaImageIOIndexedHeap.h

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/*
# ---------------------------------------------------------------------
#
# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image 
#                        pour la Santé)
# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
# Previous Authors : Laurent Guigues, Jean-Pierre Roux
# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
#
#  This software is governed by the CeCILL-B license under French law and 
#  abiding by the rules of distribution of free software. You can  use, 
#  modify and/ or redistribute the software under the terms of the CeCILL-B 
#  license as circulated by CEA, CNRS and INRIA at the following URL 
#  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
#  or in the file LICENSE.txt.
#
#  As a counterpart to the access to the source code and  rights to copy,
#  modify and redistribute granted by the license, users are provided only
#  with a limited warranty  and the software's author,  the holder of the
#  economic rights,  and the successive licensors  have only  limited
#  liability. 
#
#  The fact that you are presently reading this means that you have had
#  knowledge of the CeCILL-B license and that you accept its terms.
# ------------------------------------------------------------------------
*/


/* 

*/
#ifndef __creaImageIOIndexedHeap_h_INCLUDED__
#define __creaImageIOIndexedHeap_h_INCLUDED__

#include <vector>

namespace creaImageIO 
{

        

  template <class T, 
            class Comparator/*=Less<T>*/,
            class Indexer/*=Index<T> */> 
  class IndexedHeap ;
  template < class T, 
             class C, 
             class I> 
  std::ostream& operator << (std::ostream&, const IndexedHeap<T,C,I>& );
 

  //template <class T, class Comparator=std::less<T>, class Index=IndexIndex<T> > class SlicedIndexedHeap; 


  //========================================================================
  template <class T, 
            class Comparator /*=Less<T>*/, 
            class Indexer /*=Index<T>*/> 
  class IndexedHeap 
  {
    //                  friend class SlicedIndexedHeap<T,Comparator,Index>;
  public :
                
    //======================================================================
    IndexedHeap () {}
    IndexedHeap ( const Comparator& comp, const Indexer& ind ) ;
    ~IndexedHeap() { }
    void set( const Comparator& comp );
    void set( const Indexer& ind );
    //======================================================================
                
    //======================================================================
    int insert(T);
    T& top(); 
    const T& top() const;  
    T remove_top();
    T remove(int n);
    inline int size() const {return (int)m_p.size(); }
        void clear();
    //======================================================================
        
    //======================================================================
    const std::vector<T> & stack() const {return m_p;}
    T& operator [] (int i) { return m_p[i];}
    const T& operator [] (int i) const { return m_p[i];}
    inline int index(T& t) { return (*m_i)(t); }
    //======================================================================

    //======================================================================
    inline int father( int i ) const;
    inline int rightson( int i ) const;
    inline int leftson( int i ) const;
    //======================================================================
    inline void swap(int i, int j);
    inline int upsort(int);
    inline int downsort(int);
    //======================================================================
                        
  protected : 
    std::vector<T> m_p;
    const Comparator* m_c;
    const Indexer*  m_i;
  };
  //========================================================================
  // EO class IndexedHeap
  //========================================================================


#include "creaImageIOIndexedHeap.txx"


};
//===========================================================================
// EO namespace creaImageIO
//===========================================================================



//===========================================================================
// EOF
//===========================================================================
#endif