diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/split_join_fn_imps.hpp')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/split_join_fn_imps.hpp | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/split_join_fn_imps.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/split_join_fn_imps.hpp deleted file mode 100644 index 9776a8d9a..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/split_join_fn_imps.hpp +++ /dev/null @@ -1,313 +0,0 @@ -// -*- C++ -*- - -// Copyright (C) 2005, 2006, 2009 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 split_join_fn_imps.hpp - * Contains an implementation for rb_tree_. - */ - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -join(PB_DS_CLASS_C_DEC& other) -{ - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ONLY(other.assert_valid();) - _GLIBCXX_DEBUG_ONLY(other.base_type::assert_valid();) - if (base_type::join_prep(other) == false) - { - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ONLY(other.assert_valid();) - return; - } - - const node_pointer p_x = other.split_min(); - join_imp(p_x, other.m_p_head->m_p_parent); - base_type::join_finish(other); - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ONLY(base_type::assert_valid();) - _GLIBCXX_DEBUG_ONLY(other.assert_valid();) - _GLIBCXX_DEBUG_ONLY(other.base_type::assert_valid();) - } - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -join_imp(node_pointer p_x, node_pointer p_r) -{ - _GLIBCXX_DEBUG_ASSERT(p_x != NULL); - if (p_r != NULL) - p_r->m_red = false; - - const size_type h = black_height(base_type::m_p_head->m_p_parent); - const size_type other_h = black_height(p_r); - node_pointer p_x_l; - node_pointer p_x_r; - std::pair<node_pointer, node_pointer> join_pos; - const bool right_join = h >= other_h; - if (right_join) - { - join_pos = find_join_pos_right(base_type::m_p_head->m_p_parent, - h, other_h); - p_x_l = join_pos.first; - p_x_r = p_r; - } - else - { - p_x_l = base_type::m_p_head->m_p_parent; - base_type::m_p_head->m_p_parent = p_r; - if (p_r != NULL) - p_r->m_p_parent = base_type::m_p_head; - - join_pos = find_join_pos_left(base_type::m_p_head->m_p_parent, - h, other_h); - p_x_r = join_pos.first; - } - - node_pointer p_parent = join_pos.second; - if (p_parent == base_type::m_p_head) - { - base_type::m_p_head->m_p_parent = p_x; - p_x->m_p_parent = base_type::m_p_head; - } - else - { - p_x->m_p_parent = p_parent; - if (right_join) - p_x->m_p_parent->m_p_right = p_x; - else - p_x->m_p_parent->m_p_left = p_x; - } - - p_x->m_p_left = p_x_l; - if (p_x_l != NULL) - p_x_l->m_p_parent = p_x; - - p_x->m_p_right = p_x_r; - if (p_x_r != NULL) - p_x_r->m_p_parent = p_x; - - p_x->m_red = true; - - base_type::initialize_min_max(); - _GLIBCXX_DEBUG_ONLY(base_type::structure_only_assert_valid();) - base_type::update_to_top(p_x, (node_update* )this); - insert_fixup(p_x); - _GLIBCXX_DEBUG_ONLY(base_type::structure_only_assert_valid()); -} - -PB_DS_CLASS_T_DEC -inline typename PB_DS_CLASS_C_DEC::node_pointer -PB_DS_CLASS_C_DEC:: -split_min() -{ - node_pointer p_min = base_type::m_p_head->m_p_left; - -#ifdef _GLIBCXX_DEBUG - const node_pointer p_head = base_type::m_p_head; - _GLIBCXX_DEBUG_ASSERT(p_min != p_head); -#endif - - remove_node(p_min); - return p_min; -} - -PB_DS_CLASS_T_DEC -std::pair< - typename PB_DS_CLASS_C_DEC::node_pointer, - typename PB_DS_CLASS_C_DEC::node_pointer> -PB_DS_CLASS_C_DEC:: -find_join_pos_right(node_pointer p_l, size_type h_l, size_type h_r) -{ - _GLIBCXX_DEBUG_ASSERT(h_l >= h_r); - - if (base_type::m_p_head->m_p_parent == NULL) - return (std::make_pair((node_pointer)NULL, base_type::m_p_head)); - - node_pointer p_l_parent = base_type::m_p_head; - while (h_l > h_r) - { - if (p_l->m_red == false) - { - _GLIBCXX_DEBUG_ASSERT(h_l > 0); - --h_l; - } - - p_l_parent = p_l; - p_l = p_l->m_p_right; - } - - if (!is_effectively_black(p_l)) - { - p_l_parent = p_l; - p_l = p_l->m_p_right; - } - - _GLIBCXX_DEBUG_ASSERT(is_effectively_black(p_l)); - _GLIBCXX_DEBUG_ASSERT(black_height(p_l) == h_r); - _GLIBCXX_DEBUG_ASSERT(p_l == NULL || p_l->m_p_parent == p_l_parent); - return std::make_pair(p_l, p_l_parent); -} - -PB_DS_CLASS_T_DEC -std::pair< - typename PB_DS_CLASS_C_DEC::node_pointer, - typename PB_DS_CLASS_C_DEC::node_pointer> -PB_DS_CLASS_C_DEC:: -find_join_pos_left(node_pointer p_r, size_type h_l, size_type h_r) -{ - _GLIBCXX_DEBUG_ASSERT(h_r > h_l); - if (base_type::m_p_head->m_p_parent == NULL) - return (std::make_pair((node_pointer)NULL, - base_type::m_p_head)); - node_pointer p_r_parent = base_type::m_p_head; - while (h_r > h_l) - { - if (p_r->m_red == false) - { - _GLIBCXX_DEBUG_ASSERT(h_r > 0); - --h_r; - } - - p_r_parent = p_r; - p_r = p_r->m_p_left; - } - - if (!is_effectively_black(p_r)) - { - p_r_parent = p_r; - p_r = p_r->m_p_left; - } - - _GLIBCXX_DEBUG_ASSERT(is_effectively_black(p_r)); - _GLIBCXX_DEBUG_ASSERT(black_height(p_r) == h_l); - _GLIBCXX_DEBUG_ASSERT(p_r == NULL || p_r->m_p_parent == p_r_parent); - return std::make_pair(p_r, p_r_parent); -} - -PB_DS_CLASS_T_DEC -inline typename PB_DS_CLASS_C_DEC::size_type -PB_DS_CLASS_C_DEC:: -black_height(node_pointer p_nd) -{ - size_type h = 1; - while (p_nd != NULL) - { - if (p_nd->m_red == false) - ++h; - p_nd = p_nd->m_p_left; - } - return h; -} - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -split(const_key_reference r_key, PB_DS_CLASS_C_DEC& other) -{ - _GLIBCXX_DEBUG_ONLY(assert_valid()); - _GLIBCXX_DEBUG_ONLY(base_type::assert_valid();) - - _GLIBCXX_DEBUG_ONLY(other.assert_valid()); - _GLIBCXX_DEBUG_ONLY(other.base_type::assert_valid();) - - if (base_type::split_prep(r_key, other) == false) - { - _GLIBCXX_DEBUG_ONLY(assert_valid()); - _GLIBCXX_DEBUG_ONLY(other.assert_valid()); - return; - } - - _GLIBCXX_DEBUG_ONLY(base_type::structure_only_assert_valid();) - _GLIBCXX_DEBUG_ONLY(other.base_type::structure_only_assert_valid();) - node_pointer p_nd = upper_bound(r_key).m_p_nd; - do - { - node_pointer p_next_nd = p_nd->m_p_parent; - if (Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value))) - split_at_node(p_nd, other); - - _GLIBCXX_DEBUG_ONLY(base_type::structure_only_assert_valid();) - _GLIBCXX_DEBUG_ONLY(other.base_type::structure_only_assert_valid();) - p_nd = p_next_nd; - } - while (p_nd != base_type::m_p_head); - - base_type::split_finish(other); - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ONLY(assert_valid();) -} - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -split_at_node(node_pointer p_nd, PB_DS_CLASS_C_DEC& other) -{ - _GLIBCXX_DEBUG_ASSERT(p_nd != NULL); - - node_pointer p_l = p_nd->m_p_left; - node_pointer p_r = p_nd->m_p_right; - node_pointer p_parent = p_nd->m_p_parent; - if (p_parent == base_type::m_p_head) - { - base_type::m_p_head->m_p_parent = p_l; - if (p_l != NULL) - { - p_l->m_p_parent = base_type::m_p_head; - p_l->m_red = false; - } - } - else - { - if (p_parent->m_p_left == p_nd) - p_parent->m_p_left = p_l; - else - p_parent->m_p_right = p_l; - - if (p_l != NULL) - p_l->m_p_parent = p_parent; - - update_to_top(p_parent, (node_update* )this); - - if (!p_nd->m_red) - remove_fixup(p_l, p_parent); - } - - base_type::initialize_min_max(); - other.join_imp(p_nd, p_r); - _GLIBCXX_DEBUG_ONLY(base_type::structure_only_assert_valid()); - _GLIBCXX_DEBUG_ONLY(other.base_type::structure_only_assert_valid()); -} - |