diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_imp.hpp')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_imp.hpp | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_imp.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_imp.hpp deleted file mode 100644 index 3403b0976..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_imp.hpp +++ /dev/null @@ -1,289 +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 hash_load_check_resize_trigger_imp.hpp - * Contains a resize trigger implementation. - */ - -PB_DS_CLASS_T_DEC -PB_DS_CLASS_C_DEC:: -hash_load_check_resize_trigger(float load_min, float load_max) -: m_load_min(load_min), m_load_max(load_max), m_next_shrink_size(0), - m_next_grow_size(0), m_resize_needed(false) -{ _GLIBCXX_DEBUG_ONLY(assert_valid();) } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_find_search_start() -{ _GLIBCXX_DEBUG_ONLY(assert_valid();) } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_find_search_collision() -{ _GLIBCXX_DEBUG_ONLY(assert_valid();) } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_find_search_end() -{ _GLIBCXX_DEBUG_ONLY(assert_valid();) } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_insert_search_start() -{ _GLIBCXX_DEBUG_ONLY(assert_valid();) } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_insert_search_collision() -{ _GLIBCXX_DEBUG_ONLY(assert_valid();) } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_insert_search_end() -{ _GLIBCXX_DEBUG_ONLY(assert_valid();) } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_erase_search_start() -{ _GLIBCXX_DEBUG_ONLY(assert_valid();) } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_erase_search_collision() -{ _GLIBCXX_DEBUG_ONLY(assert_valid();) } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_erase_search_end() -{ _GLIBCXX_DEBUG_ONLY(assert_valid();) } - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_inserted(size_type num_entries) -{ - m_resize_needed = (num_entries >= m_next_grow_size); - size_base::set_size(num_entries); - _GLIBCXX_DEBUG_ONLY(assert_valid();) -} - -PB_DS_CLASS_T_DEC -inline void -PB_DS_CLASS_C_DEC:: -notify_erased(size_type num_entries) -{ - size_base::set_size(num_entries); - m_resize_needed = num_entries <= m_next_shrink_size; - _GLIBCXX_DEBUG_ONLY(assert_valid();) -} - -PB_DS_CLASS_T_DEC -inline bool -PB_DS_CLASS_C_DEC:: -is_resize_needed() const -{ - _GLIBCXX_DEBUG_ONLY(assert_valid();) - return m_resize_needed; -} - -PB_DS_CLASS_T_DEC -inline bool -PB_DS_CLASS_C_DEC:: -is_grow_needed(size_type /*size*/, size_type num_entries) const -{ - _GLIBCXX_DEBUG_ASSERT(m_resize_needed); - return num_entries >= m_next_grow_size; -} - -PB_DS_CLASS_T_DEC -PB_DS_CLASS_C_DEC:: -~hash_load_check_resize_trigger() { } - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -notify_resized(size_type new_size) -{ - m_resize_needed = false; - m_next_grow_size = size_type(m_load_max * new_size - 1); - m_next_shrink_size = size_type(m_load_min * new_size); - -#ifdef PB_DS_HT_MAP_RESIZE_TRACE_ - std::cerr << "hlcrt::notify_resized " << - static_cast<unsigned long>(new_size) << " " << - static_cast<unsigned long>(m_load_min) << " " << - static_cast<unsigned long>(m_load_max) << " " << - static_cast<unsigned long>(m_next_shrink_size) << " " << - static_cast<unsigned long>(m_next_grow_size) << " " << std::endl; -#endif - - _GLIBCXX_DEBUG_ONLY(assert_valid();) -} - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -notify_externally_resized(size_type new_size) -{ - m_resize_needed = false; - size_type new_grow_size = size_type(m_load_max * new_size - 1); - size_type new_shrink_size = size_type(m_load_min * new_size); - if (new_grow_size >= m_next_grow_size) - { - _GLIBCXX_DEBUG_ASSERT(new_shrink_size > m_next_shrink_size); - m_next_grow_size = new_grow_size; - _GLIBCXX_DEBUG_ONLY(assert_valid();) - -#ifdef PB_DS_HT_MAP_RESIZE_TRACE_ - std::cerr << "hlcrt::notify_externally_resized1 " << - static_cast<unsigned long>(new_size) << " " << - static_cast<unsigned long>(m_load_min) << " " << - static_cast<unsigned long>(m_load_max) << " " << - static_cast<unsigned long>(m_next_shrink_size) << " " << - static_cast<unsigned long>(m_next_grow_size) << " " << std::endl; -#endif - return; - } - - _GLIBCXX_DEBUG_ASSERT(new_shrink_size <= m_next_shrink_size); - m_next_shrink_size = new_shrink_size; - -#ifdef PB_DS_HT_MAP_RESIZE_TRACE_ - std::cerr << "hlcrt::notify_externally_resized2 " << - static_cast<unsigned long>(new_size) << " " << - static_cast<unsigned long>(m_load_min) << " " << - static_cast<unsigned long>(m_load_max) << " " << - static_cast<unsigned long>(m_next_shrink_size) << " " << - static_cast<unsigned long>(m_next_grow_size) << " " << std::endl; -#endif - - _GLIBCXX_DEBUG_ONLY(assert_valid();) -} - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -notify_cleared() -{ - _GLIBCXX_DEBUG_ONLY(assert_valid();) - size_base::set_size(0); - m_resize_needed = (0 < m_next_shrink_size); - _GLIBCXX_DEBUG_ONLY(assert_valid();) -} - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -swap(PB_DS_CLASS_C_DEC& other) -{ - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ONLY(other.assert_valid();) - - size_base::swap(other); - std::swap(m_load_min, other.m_load_min); - std::swap(m_load_max, other.m_load_max); - std::swap(m_resize_needed, other.m_resize_needed); - std::swap(m_next_grow_size, other.m_next_grow_size); - std::swap(m_next_shrink_size, other.m_next_shrink_size); - - _GLIBCXX_DEBUG_ONLY(assert_valid();) - _GLIBCXX_DEBUG_ONLY(other.assert_valid();) -} - -PB_DS_CLASS_T_DEC -inline std::pair<float, float> -PB_DS_CLASS_C_DEC:: -get_loads() const -{ - PB_DS_STATIC_ASSERT(access, external_load_access); - return std::make_pair(m_load_min, m_load_max); -} - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -set_loads(std::pair<float, float> load_pair) -{ - PB_DS_STATIC_ASSERT(access, external_load_access); - const float old_load_min = m_load_min; - const float old_load_max = m_load_max; - const size_type old_next_shrink_size = m_next_shrink_size; - const size_type old_next_grow_size = m_next_grow_size; - const bool old_resize_needed = m_resize_needed; - - __try - { - m_load_min = load_pair.first; - m_load_max = load_pair.second; - do_resize(static_cast<size_type>(size_base::get_size() / ((m_load_min + m_load_max) / 2))); - } - __catch(...) - { - m_load_min = old_load_min; - m_load_max = old_load_max; - m_next_shrink_size = old_next_shrink_size; - m_next_grow_size = old_next_grow_size; - m_resize_needed = old_resize_needed; - __throw_exception_again; - } -} - -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -do_resize(size_type) -{ std::abort(); } - -#ifdef _GLIBCXX_DEBUG -PB_DS_CLASS_T_DEC -void -PB_DS_CLASS_C_DEC:: -assert_valid() const -{ - _GLIBCXX_DEBUG_ASSERT(m_load_max > m_load_min); - _GLIBCXX_DEBUG_ASSERT(m_next_grow_size >= m_next_shrink_size); -} -#endif - |