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// -*- C++ -*-

// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the terms

// of the GNU General Public License as published by the Free Software

// Foundation; either version 3, or (at your option) any later

// version.

// This library is distributed in the hope that it will be useful, but

// WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

// General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional

// permissions described in the GCC Runtime Library Exception, version

// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and

// a copy of the GCC Runtime Library Exception along with this program;

// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

// <http://www.gnu.org/licenses/>.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software

// is hereby granted without fee, provided that the above copyright

// notice appears in all copies, and that both that copyright notice

// and this permission notice appear in supporting documentation. None

// of the above authors, nor IBM Haifa Research Laboratories, make any

// representation about the suitability of this software for any

// purpose. It is provided "as is" without express or implied

// warranty.

/**

 * @file sample_tree_node_update.hpp

 * Contains a samle node update functor.

 */

#ifndef PB_DS_SAMPLE_TREE_NODE_UPDATOR_HPP

#define PB_DS_SAMPLE_TREE_NODE_UPDATOR_HPP

// A sample node updator.

template<typename Const_Node_Iterator,

         class Node_Iterator,

         class Cmp_Fn,

         class Allocator

         >

class sample_tree_node_update

{

public:

  // Metadata type.

  typedef size_t metadata_type;

protected:

  // Default constructor.

  sample_tree_node_update();

  // Updates the rank of a node through a node_iterator node_it; end_nd_it is the end node iterator.

  inline void

  operator()(node_iterator node_it, const_node_iterator end_nd_it) const;

};

#endif // #ifndef PB_DS_SAMPLE_TREE_NODE_UPDATOR_HPP