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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/insert_fn_imps.hpp | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/insert_fn_imps.hpp')
-rw-r--r-- | gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/insert_fn_imps.hpp | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/insert_fn_imps.hpp b/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/insert_fn_imps.hpp new file mode 100644 index 0000000..40cb248 --- /dev/null +++ b/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/insert_fn_imps.hpp @@ -0,0 +1,115 @@ +// -*- C++ -*- + +// Copyright (C) 2005-2014 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 rb_tree_map_/insert_fn_imps.hpp + * Contains an implementation for rb_tree_. + */ + +PB_DS_CLASS_T_DEC +inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool> +PB_DS_CLASS_C_DEC:: +insert(const_reference r_value) +{ + PB_DS_ASSERT_VALID((*this)) + std::pair<point_iterator, bool> ins_pair = base_type::insert_leaf(r_value); + if (ins_pair.second == true) + { + ins_pair.first.m_p_nd->m_red = true; + PB_DS_STRUCT_ONLY_ASSERT_VALID((*this)) + insert_fixup(ins_pair.first.m_p_nd); + } + + PB_DS_ASSERT_VALID((*this)) + return ins_pair; +} + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +insert_fixup(node_pointer p_nd) +{ + _GLIBCXX_DEBUG_ASSERT(p_nd->m_red == true); + while (p_nd != base_type::m_p_head->m_p_parent && p_nd->m_p_parent->m_red) + { + if (p_nd->m_p_parent == p_nd->m_p_parent->m_p_parent->m_p_left) + { + node_pointer p_y = p_nd->m_p_parent->m_p_parent->m_p_right; + if (p_y != 0 && p_y->m_red) + { + p_nd->m_p_parent->m_red = false; + p_y->m_red = false; + p_nd->m_p_parent->m_p_parent->m_red = true; + p_nd = p_nd->m_p_parent->m_p_parent; + } + else + { + if (p_nd == p_nd->m_p_parent->m_p_right) + { + p_nd = p_nd->m_p_parent; + base_type::rotate_left(p_nd); + } + p_nd->m_p_parent->m_red = false; + p_nd->m_p_parent->m_p_parent->m_red = true; + base_type::rotate_right(p_nd->m_p_parent->m_p_parent); + } + } + else + { + node_pointer p_y = p_nd->m_p_parent->m_p_parent->m_p_left; + if (p_y != 0 && p_y->m_red) + { + p_nd->m_p_parent->m_red = false; + p_y->m_red = false; + p_nd->m_p_parent->m_p_parent->m_red = true; + p_nd = p_nd->m_p_parent->m_p_parent; + } + else + { + if (p_nd == p_nd->m_p_parent->m_p_left) + { + p_nd = p_nd->m_p_parent; + base_type::rotate_right(p_nd); + } + p_nd->m_p_parent->m_red = false; + p_nd->m_p_parent->m_p_parent->m_red = true; + base_type::rotate_left(p_nd->m_p_parent->m_p_parent); + } + } + } + + base_type::update_to_top(p_nd, (node_update* )this); + base_type::m_p_head->m_p_parent->m_red = false; +} |