diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp')
-rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp deleted file mode 100644 index 905be1098..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp +++ /dev/null @@ -1,236 +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 erase_fn_imps.hpp - * Contains an implementation class for a pairing heap. - */ - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -pop() -{ - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ASSERT(!base_type::empty()); - - node_pointer p_new_root = join_node_children(base_type::m_p_root); - _GLIBCXX_DEBUG_ONLY(assert_node_consistent(p_new_root, false);) - if (p_new_root != NULL) - p_new_root->m_p_prev_or_parent = NULL; - - base_type::actual_erase_node(base_type::m_p_root); - base_type::m_p_root = p_new_root; - _GLIBCXX_DEBUG_ONLY(assert_valid();) -} - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -erase(point_iterator it) -{ - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ASSERT(!base_type::empty()); - remove_node(it.m_p_nd); - base_type::actual_erase_node(it.m_p_nd); - _GLIBCXX_DEBUG_ONLY(assert_valid();) -} - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -remove_node(node_pointer p_nd) -{ - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ASSERT(!base_type::empty()); - node_pointer p_new_child = join_node_children(p_nd); - -#ifdef _GLIBCXX_DEBUG - if (p_new_child != NULL) - base_type::assert_node_consistent(p_new_child, false); -#endif - - if (p_nd == base_type::m_p_root) - { - if (p_new_child != NULL) - p_new_child->m_p_prev_or_parent = NULL; - base_type::m_p_root = p_new_child; - _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(base_type::m_p_root, false);) - return; - } - - _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_prev_or_parent != NULL); - if (p_nd->m_p_prev_or_parent->m_p_l_child == p_nd) - { - if (p_new_child != NULL) - { - p_new_child->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; - p_new_child->m_p_next_sibling = p_nd->m_p_next_sibling; - if (p_new_child->m_p_next_sibling != NULL) - p_new_child->m_p_next_sibling->m_p_prev_or_parent = p_new_child; - p_nd->m_p_prev_or_parent->m_p_l_child = p_new_child; - _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd->m_p_prev_or_parent, false);) - return; - } - - p_nd->m_p_prev_or_parent->m_p_l_child = p_nd->m_p_next_sibling; - if (p_nd->m_p_next_sibling != NULL) - p_nd->m_p_next_sibling->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; - _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd->m_p_prev_or_parent, false);) - return; - } - - if (p_new_child != NULL) - { - p_new_child->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; - p_new_child->m_p_next_sibling = p_nd->m_p_next_sibling; - if (p_new_child->m_p_next_sibling != NULL) - p_new_child->m_p_next_sibling->m_p_prev_or_parent = p_new_child; - p_new_child->m_p_prev_or_parent->m_p_next_sibling = p_new_child; - _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd->m_p_prev_or_parent, false);) - return; - } - - p_nd->m_p_prev_or_parent->m_p_next_sibling = p_nd->m_p_next_sibling; - if (p_nd->m_p_next_sibling != NULL) - p_nd->m_p_next_sibling->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; - _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd->m_p_prev_or_parent, false);) -} - -PB_DS_CLASS_T_DEC -typename PB_DS_CLASS_C_DEC::node_pointer -PB_DS_CLASS_C_DEC:: -join_node_children(node_pointer p_nd) -{ - _GLIBCXX_DEBUG_ASSERT(p_nd != NULL); - node_pointer p_ret = p_nd->m_p_l_child; - if (p_ret == NULL) - return NULL; - while (p_ret->m_p_next_sibling != NULL) - p_ret = forward_join(p_ret, p_ret->m_p_next_sibling); - while (p_ret->m_p_prev_or_parent != p_nd) - p_ret = back_join(p_ret->m_p_prev_or_parent, p_ret); - _GLIBCXX_DEBUG_ONLY(assert_node_consistent(p_ret, false);) - return p_ret; -} - -PB_DS_CLASS_T_DEC -typename PB_DS_CLASS_C_DEC::node_pointer -PB_DS_CLASS_C_DEC:: -forward_join(node_pointer p_nd, node_pointer p_next) -{ - _GLIBCXX_DEBUG_ASSERT(p_nd != NULL); - _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_next_sibling == p_next); - if (Cmp_Fn::operator()(p_nd->m_value, p_next->m_value)) - { - p_next->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; - base_type::make_child_of(p_nd, p_next); - return p_next->m_p_next_sibling == NULL - ? p_next : p_next->m_p_next_sibling; - } - - if (p_next->m_p_next_sibling != NULL) - { - p_next->m_p_next_sibling->m_p_prev_or_parent = p_nd; - p_nd->m_p_next_sibling = p_next->m_p_next_sibling; - base_type::make_child_of(p_next, p_nd); - return p_nd->m_p_next_sibling; - } - - p_nd->m_p_next_sibling = NULL; - base_type::make_child_of(p_next, p_nd); - _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd, false)); - return p_nd; -} - -PB_DS_CLASS_T_DEC -typename PB_DS_CLASS_C_DEC::node_pointer -PB_DS_CLASS_C_DEC:: -back_join(node_pointer p_nd, node_pointer p_next) -{ - _GLIBCXX_DEBUG_ASSERT(p_nd != NULL); - _GLIBCXX_DEBUG_ASSERT(p_next->m_p_next_sibling == NULL); - - if (Cmp_Fn::operator()(p_nd->m_value, p_next->m_value)) - { - p_next->m_p_prev_or_parent = p_nd->m_p_prev_or_parent; - base_type::make_child_of(p_nd, p_next); - _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_next, false)); - return p_next; - } - - p_nd->m_p_next_sibling = NULL; - base_type::make_child_of(p_next, p_nd); - _GLIBCXX_DEBUG_ONLY(base_type::assert_node_consistent(p_nd, false)); - return p_nd; -} - -PB_DS_CLASS_T_DEC -template<typename Pred> -typename PB_DS_CLASS_C_DEC::size_type -PB_DS_CLASS_C_DEC:: -erase_if(Pred pred) -{ - _GLIBCXX_DEBUG_ONLY(assert_valid();) - if (base_type::empty()) - { - _GLIBCXX_DEBUG_ONLY(assert_valid();) - return 0; - } - base_type::to_linked_list(); - node_pointer p_out = base_type::prune(pred); - size_type ersd = 0; - while (p_out != NULL) - { - ++ersd; - node_pointer p_next = p_out->m_p_next_sibling; - base_type::actual_erase_node(p_out); - p_out = p_next; - } - - node_pointer p_cur = base_type::m_p_root; - base_type::m_p_root = NULL; - while (p_cur != NULL) - { - node_pointer p_next = p_cur->m_p_next_sibling; - p_cur->m_p_l_child = p_cur->m_p_next_sibling = p_cur->m_p_prev_or_parent = NULL; - - push_imp(p_cur); - p_cur = p_next; - } - _GLIBCXX_DEBUG_ONLY(assert_valid();) - return ersd; -} - |