diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/binary_heap_/erase_fn_imps.hpp')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/binary_heap_/erase_fn_imps.hpp | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/binary_heap_/erase_fn_imps.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/binary_heap_/erase_fn_imps.hpp deleted file mode 100644 index 30f3a4854..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/binary_heap_/erase_fn_imps.hpp +++ /dev/null @@ -1,246 +0,0 @@ -// -*- C++ -*- - -// Copyright (C) 2005, 2006, 2007, 2008, 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 binary_heap. - */ - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -clear() -{ - for (size_type i = 0; i < m_size; ++i) - erase_at(m_a_entries, i, s_no_throw_copies_ind); - - __try - { - const size_type actual_size = resize_policy::get_new_size_for_arbitrary(0); - - entry_pointer a_entries = s_entry_allocator.allocate(actual_size); - - resize_policy::notify_arbitrary(actual_size); - - s_entry_allocator.deallocate(m_a_entries, m_actual_size); - - m_actual_size = actual_size; - - m_a_entries = a_entries; - } - __catch(...) - { } - - m_size = 0; - - _GLIBCXX_DEBUG_ONLY(assert_valid();) - } - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -erase_at(entry_pointer a_entries, size_type i, false_type) -{ - a_entries[i]->~value_type(); - - s_value_allocator.deallocate(a_entries[i], 1); -} - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -erase_at(entry_pointer, size_type, true_type) -{ } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -pop() -{ - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ASSERT(!empty()); - - erase_at(m_a_entries, 0, s_no_throw_copies_ind); - - std::pop_heap(m_a_entries, m_a_entries + m_size, static_cast<entry_cmp& >(*this)); - - resize_for_erase_if_needed(); - - _GLIBCXX_DEBUG_ASSERT(m_size > 0); - --m_size; - - _GLIBCXX_DEBUG_ONLY(assert_valid();) - } - -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();) - - typedef - typename entry_pred< - value_type, - Pred, - simple_value, - Allocator>::type - pred_t; - - const size_type left = partition(pred_t(pred)); - - _GLIBCXX_DEBUG_ASSERT(m_size >= left); - - const size_type ersd = m_size - left; - - for (size_type i = left; i < m_size; ++i) - erase_at(m_a_entries, i, s_no_throw_copies_ind); - - __try - { - const size_type actual_size = - resize_policy::get_new_size_for_arbitrary(left); - - entry_pointer a_entries = s_entry_allocator.allocate(actual_size); - - std::copy(m_a_entries, m_a_entries + left, a_entries); - - s_entry_allocator.deallocate(m_a_entries, m_actual_size); - - m_actual_size = actual_size; - - resize_policy::notify_arbitrary(m_actual_size); - } - __catch(...) - { }; - - m_size = left; - - std::make_heap(m_a_entries, m_a_entries + m_size, static_cast<entry_cmp& >(*this)); - - _GLIBCXX_DEBUG_ONLY(assert_valid();) - - return ersd; -} - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -erase(point_iterator it) -{ - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ASSERT(!empty()); - - const size_type fix_pos = it.m_p_e - m_a_entries; - - std::swap(*it.m_p_e, m_a_entries[m_size - 1]); - - erase_at(m_a_entries, m_size - 1, s_no_throw_copies_ind); - - resize_for_erase_if_needed(); - - _GLIBCXX_DEBUG_ASSERT(m_size > 0); - --m_size; - - _GLIBCXX_DEBUG_ASSERT(fix_pos <= m_size); - - if (fix_pos != m_size) - fix(m_a_entries + fix_pos); - - _GLIBCXX_DEBUG_ONLY(assert_valid();) - } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -resize_for_erase_if_needed() -{ - if (!resize_policy::resize_needed_for_shrink(m_size)) - return; - - __try - { - const size_type new_actual_size = - resize_policy::get_new_size_for_shrink(); - - entry_pointer a_new_entries = s_entry_allocator.allocate(new_actual_size); - - resize_policy::notify_shrink_resize(); - - _GLIBCXX_DEBUG_ASSERT(m_size > 0); - std::copy(m_a_entries, m_a_entries + m_size - 1, a_new_entries); - - s_entry_allocator.deallocate(m_a_entries, m_actual_size); - - m_actual_size = new_actual_size; - - m_a_entries = a_new_entries; - } - __catch(...) - { } -} - -PB_DS_CLASS_T_DEC -template<typename Pred> -typename PB_DS_CLASS_C_DEC::size_type -PB_DS_CLASS_C_DEC:: -partition(Pred pred) -{ - size_type left = 0; - size_type right = m_size - 1; - - while (right + 1 != left) - { - _GLIBCXX_DEBUG_ASSERT(left <= m_size); - - if (!pred(m_a_entries[left])) - ++left; - else if (pred(m_a_entries[right])) - --right; - else - { - _GLIBCXX_DEBUG_ASSERT(left < right); - - std::swap(m_a_entries[left], m_a_entries[right]); - - ++left; - --right; - } - } - - return left; -} - |