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The C and C++ Include Header Files

/usr/include/c++/11/ext/pb_ds/detail/tree_policy/order_statistics_imp.hpp


$ cat -n /usr/include/c++/11/ext/pb_ds/detail/tree_policy/order_statistics_imp.hpp

     1	// -*- C++ -*-
     2	
     3	// Copyright (C) 2005-2021 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/order_statistics_imp.hpp
    38	 * Contains forward declarations for order_statistics_key
    39	 */
    40	
    41	#ifdef PB_DS_CLASS_C_DEC
    42	
    43	PB_DS_CLASS_T_DEC
    44	inline typename PB_DS_CLASS_C_DEC::iterator
    45	PB_DS_CLASS_C_DEC::
    46	find_by_order(size_type order)
    47	{
    48	  node_iterator it = node_begin();
    49	  node_iterator end_it = node_end();
    50	
    51	  while (it != end_it)
    52	    {
    53	      node_iterator l_it = it.get_l_child();
    54	      const size_type o = (l_it == end_it)? 0 : l_it.get_metadata();
    55	
    56	      if (order == o)
    57		return *it;
    58	      else if (order < o)
    59		it = l_it;
    60	      else
    61	        {
    62		  order -= o + 1;
    63		  it = it.get_r_child();
    64	        }
    65	    }
    66	
    67	  return base_type::end_iterator();
    68	}
    69	
    70	PB_DS_CLASS_T_DEC
    71	inline typename PB_DS_CLASS_C_DEC::const_iterator
    72	PB_DS_CLASS_C_DEC::
    73	find_by_order(size_type order) const
    74	{ return const_cast<PB_DS_CLASS_C_DEC*>(this)->find_by_order(order); }
    75	
    76	PB_DS_CLASS_T_DEC
    77	inline typename PB_DS_CLASS_C_DEC::size_type
    78	PB_DS_CLASS_C_DEC::
    79	order_of_key(key_const_reference r_key) const
    80	{
    81	  node_const_iterator it = node_begin();
    82	  node_const_iterator end_it = node_end();
    83	
    84	  const cmp_fn& r_cmp_fn = const_cast<PB_DS_CLASS_C_DEC*>(this)->get_cmp_fn();
    85	  size_type ord = 0;
    86	  while (it != end_it)
    87	    {
    88	      node_const_iterator l_it = it.get_l_child();
    89	
    90	      if (r_cmp_fn(r_key, this->extract_key(*(*it))))
    91		it = l_it;
    92	      else if (r_cmp_fn(this->extract_key(*(*it)), r_key))
    93	        {
    94		  ord += (l_it == end_it)? 1 : 1 + l_it.get_metadata();
    95		  it = it.get_r_child();
    96	        }
    97	      else
    98	        {
    99		  ord += (l_it == end_it)? 0 : l_it.get_metadata();
   100		  it = end_it;
   101	        }
   102	    }
   103	  return ord;
   104	}
   105	
   106	PB_DS_CLASS_T_DEC
   107	inline void
   108	PB_DS_CLASS_C_DEC::
   109	operator()(node_iterator node_it, node_const_iterator end_nd_it) const
   110	{
   111	  node_iterator l_it = node_it.get_l_child();
   112	  const size_type l_rank = (l_it == end_nd_it) ? 0 : l_it.get_metadata();
   113	
   114	  node_iterator r_it = node_it.get_r_child();
   115	  const size_type r_rank = (r_it == end_nd_it) ? 0 : r_it.get_metadata();
   116	
   117	  const_cast<metadata_reference>(node_it.get_metadata())= 1 + l_rank + r_rank;
   118	}
   119	
   120	PB_DS_CLASS_T_DEC
   121	PB_DS_CLASS_C_DEC::
   122	~tree_order_statistics_node_update()
   123	{ }
   124	#endif