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      1 // -*- C++ -*-
      2 
      3 // Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc.
      4 //
      5 // This file is part of the GNU ISO C++ Library.  This library is free
      6 // software; you can redistribute it and/or modify it under the terms
      7 // of the GNU General Public License as published by the Free Software
      8 // Foundation; either version 3, or (at your option) any later
      9 // version.
     10 
     11 // This library is distributed in the hope that it will be useful, but
     12 // WITHOUT ANY WARRANTY; without even the implied warranty of
     13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14 // General Public License for more details.
     15 
     16 // Under Section 7 of GPL version 3, you are granted additional
     17 // permissions described in the GCC Runtime Library Exception, version
     18 // 3.1, as published by the Free Software Foundation.
     19 
     20 // You should have received a copy of the GNU General Public License and
     21 // a copy of the GCC Runtime Library Exception along with this program;
     22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     23 // <http://www.gnu.org/licenses/>.
     24 
     25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
     26 
     27 // Permission to use, copy, modify, sell, and distribute this software
     28 // is hereby granted without fee, provided that the above copyright
     29 // notice appears in all copies, and that both that copyright notice
     30 // and this permission notice appear in supporting documentation. None
     31 // of the above authors, nor IBM Haifa Research Laboratories, make any
     32 // representation about the suitability of this software for any
     33 // purpose. It is provided "as is" without express or implied
     34 // warranty.
     35 
     36 /**
     37  * @file tree_policy/sample_tree_node_update.hpp
     38  * Contains a samle node update functor.
     39  */
     40 
     41 #ifndef PB_DS_SAMPLE_TREE_NODE_UPDATOR_HPP
     42 #define PB_DS_SAMPLE_TREE_NODE_UPDATOR_HPP
     43 
     44 namespace __gnu_pbds
     45 {
     46   /// A sample node updator.
     47   template<typename Const_Node_Iter, typename Node_Iter, typename Cmp_Fn,
     48 	   typename _Alloc>
     49   class sample_tree_node_update
     50   {
     51     typedef std::size_t metadata_type;
     52 
     53     /// Default constructor.
     54     sample_tree_node_update();
     55 
     56     /// Updates the rank of a node through a node_iterator node_it;
     57     /// end_nd_it is the end node iterator.
     58     inline void
     59     operator()(node_iterator node_it, node_const_iterator end_nd_it) const;
     60   };
     61 }
     62 #endif // #ifndef PB_DS_SAMPLE_TREE_NODE_UPDATOR_HPP
     63