111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// -*- C++ -*- 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Copyright (C) 2005-2014 Free Software Foundation, Inc. 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This file is part of the GNU ISO C++ Library. This library is free 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// software; you can redistribute it and/or modify it under the terms 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// of the GNU General Public License as published by the Free Software 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Foundation; either version 3, or (at your option) any later 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// version. 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// This library is distributed in the hope that it will be useful, but 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// WITHOUT ANY WARRANTY; without even the implied warranty of 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// General Public License for more details. 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Under Section 7 of GPL version 3, you are granted additional 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// permissions described in the GCC Runtime Library Exception, version 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// 3.1, as published by the Free Software Foundation. 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// You should have received a copy of the GNU General Public License and 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// a copy of the GCC Runtime Library Exception along with this program; 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// <http://www.gnu.org/licenses/>. 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// Permission to use, copy, modify, sell, and distribute this software 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// is hereby granted without fee, provided that the above copyright 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// notice appears in all copies, and that both that copyright notice 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// and this permission notice appear in supporting documentation. None 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// of the above authors, nor IBM Haifa Research Laboratories, make any 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// representation about the suitability of this software for any 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// purpose. It is provided "as is" without express or implied 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert// warranty. 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/** 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * @file splay_tree_/split_join_fn_imps.hpp 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert * Contains an implementation class for splay_tree_. 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert */ 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4111cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertPB_DS_CLASS_T_DEC 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albertinline void 4311cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertPB_DS_CLASS_C_DEC:: 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albertjoin(PB_DS_CLASS_C_DEC& other) 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID((*this)) 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID(other) 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert if (base_type::join_prep(other) == false) 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID((*this)) 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID(other) 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert return; 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert node_pointer p_target_r = other.leftmost(other.m_p_head); 5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert _GLIBCXX_DEBUG_ASSERT(p_target_r != 0); 5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert other.splay(p_target_r); 5811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert _GLIBCXX_DEBUG_ASSERT(p_target_r == other.m_p_head->m_p_parent); 6011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert _GLIBCXX_DEBUG_ASSERT(p_target_r->m_p_left == 0); 6111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert p_target_r->m_p_left = base_type::m_p_head->m_p_parent; 6311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert _GLIBCXX_DEBUG_ASSERT(p_target_r->m_p_left != 0); 6511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert p_target_r->m_p_left->m_p_parent = p_target_r; 6611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert base_type::m_p_head->m_p_parent = p_target_r; 6811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert p_target_r->m_p_parent = base_type::m_p_head; 6911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert this->apply_update(p_target_r, (node_update*)this); 7111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert base_type::join_finish(other); 7211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID((*this)) 7411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID(other) 7511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 7611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7711cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertPB_DS_CLASS_T_DEC 7811cd02dfb91661c65134cac258cf5924270e9d2Dan Albertvoid 7911cd02dfb91661c65134cac258cf5924270e9d2Dan AlbertPB_DS_CLASS_C_DEC:: 8011cd02dfb91661c65134cac258cf5924270e9d2Dan Albertsplit(key_const_reference r_key, PB_DS_CLASS_C_DEC& other) 8111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 8211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID((*this)) 8311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID(other) 8411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert if (base_type::split_prep(r_key, other) == false) 8611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert { 8711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID((*this)) 8811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID(other) 8911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert return; 9011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert } 9111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert node_pointer p_upper_bound = this->upper_bound(r_key).m_p_nd; 9311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert _GLIBCXX_DEBUG_ASSERT(p_upper_bound != 0); 9411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert splay(p_upper_bound); 9611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert _GLIBCXX_DEBUG_ASSERT(p_upper_bound->m_p_parent == this->m_p_head); 9711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert node_pointer p_new_root = p_upper_bound->m_p_left; 9911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert _GLIBCXX_DEBUG_ASSERT(p_new_root != 0); 10011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 10111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert base_type::m_p_head->m_p_parent = p_new_root; 10211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert p_new_root->m_p_parent = base_type::m_p_head; 10311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert other.m_p_head->m_p_parent = p_upper_bound; 10411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert p_upper_bound->m_p_parent = other.m_p_head; 10511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert p_upper_bound->m_p_left = 0; 10611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert this->apply_update(p_upper_bound, (node_update*)this); 10711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert base_type::split_finish(other); 10811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 10911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID((*this)) 11011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert PB_DS_ASSERT_VALID(other) 11111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert} 11211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 113