X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fc%2B%2B%2F4.7%2Fext%2Fpb_ds%2Fdetail%2Fsplay_tree_%2Fsplit_join_fn_imps.hpp;fp=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fc%2B%2B%2F4.7%2Fext%2Fpb_ds%2Fdetail%2Fsplay_tree_%2Fsplit_join_fn_imps.hpp;h=1fcfe7980507ec036188887432830da93f6360ad;hb=94df942c2c7bd3457276fe5b7367623cbb8c1302;hp=0000000000000000000000000000000000000000;hpb=4dd7d9155a920895ff7b1cb6b9c9c676aa62000a;p=cross.git diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/splay_tree_/split_join_fn_imps.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/splay_tree_/split_join_fn_imps.hpp new file mode 100644 index 0000000..1fcfe79 --- /dev/null +++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/splay_tree_/split_join_fn_imps.hpp @@ -0,0 +1,112 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009, 2010, 2011 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 +// . + +// 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 splay_tree_/split_join_fn_imps.hpp + * Contains an implementation class for splay_tree_. + */ + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +join(PB_DS_CLASS_C_DEC& other) +{ + PB_DS_ASSERT_VALID((*this)) + PB_DS_ASSERT_VALID(other) + if (base_type::join_prep(other) == false) + { + PB_DS_ASSERT_VALID((*this)) + PB_DS_ASSERT_VALID(other) + return; + } + + node_pointer p_target_r = other.leftmost(other.m_p_head); + _GLIBCXX_DEBUG_ASSERT(p_target_r != 0); + other.splay(p_target_r); + + _GLIBCXX_DEBUG_ASSERT(p_target_r == other.m_p_head->m_p_parent); + _GLIBCXX_DEBUG_ASSERT(p_target_r->m_p_left == 0); + + p_target_r->m_p_left = base_type::m_p_head->m_p_parent; + + _GLIBCXX_DEBUG_ASSERT(p_target_r->m_p_left != 0); + p_target_r->m_p_left->m_p_parent = p_target_r; + + base_type::m_p_head->m_p_parent = p_target_r; + p_target_r->m_p_parent = base_type::m_p_head; + + this->apply_update(p_target_r, (node_update*)this); + base_type::join_finish(other); + + PB_DS_ASSERT_VALID((*this)) + PB_DS_ASSERT_VALID(other) +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +split(key_const_reference r_key, PB_DS_CLASS_C_DEC& other) +{ + PB_DS_ASSERT_VALID((*this)) + PB_DS_ASSERT_VALID(other) + + if (base_type::split_prep(r_key, other) == false) + { + PB_DS_ASSERT_VALID((*this)) + PB_DS_ASSERT_VALID(other) + return; + } + + node_pointer p_upper_bound = this->upper_bound(r_key).m_p_nd; + _GLIBCXX_DEBUG_ASSERT(p_upper_bound != 0); + + splay(p_upper_bound); + _GLIBCXX_DEBUG_ASSERT(p_upper_bound->m_p_parent == this->m_p_head); + + node_pointer p_new_root = p_upper_bound->m_p_left; + _GLIBCXX_DEBUG_ASSERT(p_new_root != 0); + + base_type::m_p_head->m_p_parent = p_new_root; + p_new_root->m_p_parent = base_type::m_p_head; + other.m_p_head->m_p_parent = p_upper_bound; + p_upper_bound->m_p_parent = other.m_p_head; + p_upper_bound->m_p_left = 0; + this->apply_update(p_upper_bound, (node_update*)this); + base_type::split_finish(other); + + PB_DS_ASSERT_VALID((*this)) + PB_DS_ASSERT_VALID(other) +} +