DIR~: usr/include/c++/8/ext/pb_ds/detail/tree_policy

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Edit File: order_statistics_imp.hpp

// -*- C++ -*- // Copyright (C) 2005-2018 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 tree_policy/order_statistics_imp.hpp * Contains forward declarations for order_statistics_key */ PB_DS_CLASS_T_DEC inline typename PB_DS_CLASS_C_DEC::iterator PB_DS_CLASS_C_DEC:: find_by_order(size_type order) { node_iterator it = node_begin(); node_iterator end_it = node_end(); while (it != end_it) { node_iterator l_it = it.get_l_child(); const size_type o = (l_it == end_it)? 0 : l_it.get_metadata(); if (order == o) return *it; else if (order < o) it = l_it; else { order -= o + 1; it = it.get_r_child(); } } return base_type::end_iterator(); } PB_DS_CLASS_T_DEC inline typename PB_DS_CLASS_C_DEC::const_iterator PB_DS_CLASS_C_DEC:: find_by_order(size_type order) const { return const_cast<PB_DS_CLASS_C_DEC*>(this)->find_by_order(order); } PB_DS_CLASS_T_DEC inline typename PB_DS_CLASS_C_DEC::size_type PB_DS_CLASS_C_DEC:: order_of_key(key_const_reference r_key) const { node_const_iterator it = node_begin(); node_const_iterator end_it = node_end(); const cmp_fn& r_cmp_fn = const_cast<PB_DS_CLASS_C_DEC*>(this)->get_cmp_fn(); size_type ord = 0; while (it != end_it) { node_const_iterator l_it = it.get_l_child(); if (r_cmp_fn(r_key, this->extract_key(*(*it)))) it = l_it; else if (r_cmp_fn(this->extract_key(*(*it)), r_key)) { ord += (l_it == end_it)? 1 : 1 + l_it.get_metadata(); it = it.get_r_child(); } else { ord += (l_it == end_it)? 0 : l_it.get_metadata(); it = end_it; } } return ord; } PB_DS_CLASS_T_DEC inline void PB_DS_CLASS_C_DEC:: operator()(node_iterator node_it, node_const_iterator end_nd_it) const { node_iterator l_it = node_it.get_l_child(); const size_type l_rank = (l_it == end_nd_it) ? 0 : l_it.get_metadata(); node_iterator r_it = node_it.get_r_child(); const size_type r_rank = (r_it == end_nd_it) ? 0 : r_it.get_metadata(); const_cast<metadata_reference>(node_it.get_metadata())= 1 + l_rank + r_rank; } PB_DS_CLASS_T_DEC PB_DS_CLASS_C_DEC:: ~tree_order_statistics_node_update() { }

• [FILE] order_statistics_imp.hpp [Edit] [Rename] [Delete]
• [FILE] sample_tree_node_update.hpp [Edit] [Rename] [Delete]
• [FILE] node_metadata_selector.hpp [Edit] [Rename] [Delete]