diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy')
9 files changed, 1429 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/cc_hash_max_collision_check_resize_trigger_imp.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/cc_hash_max_collision_check_resize_trigger_imp.hpp new file mode 100644 index 000000000..94cd515e3 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/cc_hash_max_collision_check_resize_trigger_imp.hpp @@ -0,0 +1,211 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2007, 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 cc_hash_max_collision_check_resize_trigger_imp.hpp + * Contains a resize trigger implementation. + */ + +PB_DS_CLASS_T_DEC +PB_DS_CLASS_C_DEC:: +cc_hash_max_collision_check_resize_trigger(float load) : + m_load(load), + m_size(0), + m_num_col(0), + m_max_col(0), + m_resize_needed(false) +{ } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_find_search_start() +{ } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_find_search_collision() +{ } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_find_search_end() +{ } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_insert_search_start() +{ m_num_col = 0; } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_insert_search_collision() +{ ++m_num_col; } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_insert_search_end() +{ calc_resize_needed(); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_erase_search_start() +{ } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_erase_search_collision() +{ } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_erase_search_end() +{ } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_inserted(size_type) +{ } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_erased(size_type) +{ m_resize_needed = true; } + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +notify_cleared() +{ m_resize_needed = false; } + +PB_DS_CLASS_T_DEC +inline bool +PB_DS_CLASS_C_DEC:: +is_resize_needed() const +{ 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_used_e*/) const +{ return m_num_col >= m_max_col; } + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +notify_resized(size_type new_size) +{ + m_size = new_size; + +#ifdef PB_DS_HT_MAP_RESIZE_TRACE_ + std::cerr << "chmccrt::notify_resized " + << static_cast<unsigned long>(new_size) << std::endl; +#endif + + calc_max_num_coll(); + calc_resize_needed(); + m_num_col = 0; +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +calc_max_num_coll() +{ + // max_col <-- \sqrt{2 load \ln( 2 m \ln( m ) ) } + const double ln_arg = 2 * m_size * std::log(double(m_size)); + m_max_col = size_type(std::ceil(std::sqrt(2 * m_load * std::log(ln_arg)))); + +#ifdef PB_DS_HT_MAP_RESIZE_TRACE_ + std::cerr << "chmccrt::calc_max_num_coll " + << static_cast<unsigned long>(m_size) << " " + << static_cast<unsigned long>(m_max_col) << std::endl; +#endif +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +notify_externally_resized(size_type new_size) +{ notify_resized(new_size); } + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +swap(PB_DS_CLASS_C_DEC& other) +{ + std::swap(m_load, other.m_load); + std::swap(m_size, other.m_size); + std::swap(m_num_col, other.m_num_col); + std::swap(m_max_col, other.m_max_col); + std::swap(m_resize_needed, other.m_resize_needed); +} + +PB_DS_CLASS_T_DEC +inline float +PB_DS_CLASS_C_DEC:: +get_load() const +{ + PB_DS_STATIC_ASSERT(access, external_load_access); + return m_load; +} + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +calc_resize_needed() +{ m_resize_needed = m_resize_needed || m_num_col >= m_max_col; } + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +set_load(float load) +{ + PB_DS_STATIC_ASSERT(access, external_load_access); + m_load = load; + calc_max_num_coll(); + calc_resize_needed(); +} + diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_exponential_size_policy_imp.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_exponential_size_policy_imp.hpp new file mode 100644 index 000000000..b58f2ec9d --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_exponential_size_policy_imp.hpp @@ -0,0 +1,90 @@ +// -*- 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 hash_exponential_size_policy_imp.hpp + * Contains a resize size policy implementation. + */ + +PB_DS_CLASS_T_DEC +PB_DS_CLASS_C_DEC:: +hash_exponential_size_policy(size_type start_size, size_type grow_factor) : + m_start_size(start_size), + m_grow_factor(grow_factor) +{ } + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +swap(PB_DS_CLASS_C_DEC& other) +{ + std::swap(m_start_size, other.m_start_size); + std::swap(m_grow_factor, other.m_grow_factor); +} + +PB_DS_CLASS_T_DEC +typename PB_DS_CLASS_C_DEC::size_type +PB_DS_CLASS_C_DEC:: +get_nearest_larger_size(size_type size) const +{ + size_type ret = m_start_size; + while (ret <= size) + { + const size_type next_ret = ret* m_grow_factor; + if (next_ret < ret) + __throw_insert_error(); + ret = next_ret; + } + return ret; +} + +PB_DS_CLASS_T_DEC +typename PB_DS_CLASS_C_DEC::size_type +PB_DS_CLASS_C_DEC:: +get_nearest_smaller_size(size_type size) const +{ + size_type ret = m_start_size; + while (true) + { + const size_type next_ret = ret* m_grow_factor; + if (next_ret < ret) + __throw_resize_error(); + if (next_ret >= size) + return (ret); + ret = next_ret; + } + return ret; +} + 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 new file mode 100644 index 000000000..3403b0976 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_imp.hpp @@ -0,0 +1,289 @@ +// -*- 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 + diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_size_base.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_size_base.hpp new file mode 100644 index 000000000..c29b3d5be --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_size_base.hpp @@ -0,0 +1,94 @@ +// -*- 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 hash_load_check_resize_trigger_size_base.hpp + * Contains an base holding size for some resize policies. + */ + +#ifndef PB_DS_HASH_LOAD_CHECK_RESIZE_TRIGGER_SIZE_BASE_HPP +#define PB_DS_HASH_LOAD_CHECK_RESIZE_TRIGGER_SIZE_BASE_HPP + +namespace __gnu_pbds +{ + namespace detail + { + // Primary template. + template<typename Size_Type, bool Hold_Size> + class hash_load_check_resize_trigger_size_base; + + // Specializations. + template<typename Size_Type> + class hash_load_check_resize_trigger_size_base<Size_Type, true> + { + protected: + typedef Size_Type size_type; + + hash_load_check_resize_trigger_size_base(): m_size(0) + { } + + inline void + swap(hash_load_check_resize_trigger_size_base& other) + { std::swap(m_size, other.m_size); } + + inline void + set_size(size_type size) + { m_size = size; } + + inline size_type + get_size() const + { return m_size; } + + private: + size_type m_size; + }; + + template<typename Size_Type> + class hash_load_check_resize_trigger_size_base<Size_Type, false> + { + protected: + typedef Size_Type size_type; + + protected: + inline void + swap(hash_load_check_resize_trigger_size_base& other) { } + + inline void + set_size(size_type size) { } + }; + } // namespace detail +} // namespace __gnu_pbds + +#endif diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp new file mode 100644 index 000000000..a28f5ede5 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp @@ -0,0 +1,161 @@ +// -*- 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 hash_prime_size_policy_imp.hpp + * Contains a resize size policy implementation. + */ + +#pragma GCC system_header + +namespace detail +{ + enum + { + num_distinct_sizes_32_bit = 30, + num_distinct_sizes_64_bit = 62, + num_distinct_sizes = sizeof(std::size_t) != 8 ? + num_distinct_sizes_32_bit : num_distinct_sizes_64_bit, + }; + + // Originally taken from the SGI implementation; acknowledged in the docs. + // Further modified (for 64 bits) from tr1's hashtable. + static const std::size_t g_a_sizes[num_distinct_sizes_64_bit] = + { + /* 0 */ 5ul, + /* 1 */ 11ul, + /* 2 */ 23ul, + /* 3 */ 47ul, + /* 4 */ 97ul, + /* 5 */ 199ul, + /* 6 */ 409ul, + /* 7 */ 823ul, + /* 8 */ 1741ul, + /* 9 */ 3469ul, + /* 10 */ 6949ul, + /* 11 */ 14033ul, + /* 12 */ 28411ul, + /* 13 */ 57557ul, + /* 14 */ 116731ul, + /* 15 */ 236897ul, + /* 16 */ 480881ul, + /* 17 */ 976369ul, + /* 18 */ 1982627ul, + /* 19 */ 4026031ul, + /* 20 */ 8175383ul, + /* 21 */ 16601593ul, + /* 22 */ 33712729ul, + /* 23 */ 68460391ul, + /* 24 */ 139022417ul, + /* 25 */ 282312799ul, + /* 26 */ 573292817ul, + /* 27 */ 1164186217ul, + /* 28 */ 2364114217ul, + /* 29 */ 4294967291ul, + /* 30 */ (std::size_t)8589934583ull, + /* 31 */ (std::size_t)17179869143ull, + /* 32 */ (std::size_t)34359738337ull, + /* 33 */ (std::size_t)68719476731ull, + /* 34 */ (std::size_t)137438953447ull, + /* 35 */ (std::size_t)274877906899ull, + /* 36 */ (std::size_t)549755813881ull, + /* 37 */ (std::size_t)1099511627689ull, + /* 38 */ (std::size_t)2199023255531ull, + /* 39 */ (std::size_t)4398046511093ull, + /* 40 */ (std::size_t)8796093022151ull, + /* 41 */ (std::size_t)17592186044399ull, + /* 42 */ (std::size_t)35184372088777ull, + /* 43 */ (std::size_t)70368744177643ull, + /* 44 */ (std::size_t)140737488355213ull, + /* 45 */ (std::size_t)281474976710597ull, + /* 46 */ (std::size_t)562949953421231ull, + /* 47 */ (std::size_t)1125899906842597ull, + /* 48 */ (std::size_t)2251799813685119ull, + /* 49 */ (std::size_t)4503599627370449ull, + /* 50 */ (std::size_t)9007199254740881ull, + /* 51 */ (std::size_t)18014398509481951ull, + /* 52 */ (std::size_t)36028797018963913ull, + /* 53 */ (std::size_t)72057594037927931ull, + /* 54 */ (std::size_t)144115188075855859ull, + /* 55 */ (std::size_t)288230376151711717ull, + /* 56 */ (std::size_t)576460752303423433ull, + /* 57 */ (std::size_t)1152921504606846883ull, + /* 58 */ (std::size_t)2305843009213693951ull, + /* 59 */ (std::size_t)4611686018427387847ull, + /* 60 */ (std::size_t)9223372036854775783ull, + /* 61 */ (std::size_t)18446744073709551557ull, + }; + +} // namespace detail + +PB_DS_CLASS_T_DEC +inline +PB_DS_CLASS_C_DEC:: +hash_prime_size_policy(size_type n) : m_start_size(n) +{ m_start_size = get_nearest_larger_size(n); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +swap(PB_DS_CLASS_C_DEC& other) +{ std::swap(m_start_size, other.m_start_size); } + +PB_DS_CLASS_T_DEC +inline PB_DS_CLASS_C_DEC::size_type +PB_DS_CLASS_C_DEC:: +get_nearest_larger_size(size_type n) const +{ + const std::size_t* const p_upper = std::upper_bound(detail::g_a_sizes, + detail::g_a_sizes + detail::num_distinct_sizes, n); + + if (p_upper == detail::g_a_sizes + detail::num_distinct_sizes) + __throw_resize_error(); + return *p_upper; +} + +PB_DS_CLASS_T_DEC +inline PB_DS_CLASS_C_DEC::size_type +PB_DS_CLASS_C_DEC:: +get_nearest_smaller_size(size_type n) const +{ + const size_t* p_lower = std::lower_bound(detail::g_a_sizes, + detail::g_a_sizes + detail::num_distinct_sizes, n); + + if (*p_lower >= n && p_lower != detail::g_a_sizes) + --p_lower; + if (*p_lower < m_start_size) + return m_start_size; + return *p_lower; +} diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_standard_resize_policy_imp.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_standard_resize_policy_imp.hpp new file mode 100644 index 000000000..39cf7dc9e --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_standard_resize_policy_imp.hpp @@ -0,0 +1,249 @@ +// -*- 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_standard_resize_policy_imp.hpp + * Contains a resize policy implementation. + */ + +PB_DS_CLASS_T_DEC +PB_DS_CLASS_C_DEC:: +hash_standard_resize_policy() +: m_size(Size_Policy::get_nearest_larger_size(1)) +{ trigger_policy_base::notify_externally_resized(m_size); } + +PB_DS_CLASS_T_DEC +PB_DS_CLASS_C_DEC:: +hash_standard_resize_policy(const Size_Policy& r_size_policy) +: Size_Policy(r_size_policy), m_size(Size_Policy::get_nearest_larger_size(1)) +{ trigger_policy_base::notify_externally_resized(m_size); } + +PB_DS_CLASS_T_DEC +PB_DS_CLASS_C_DEC:: +hash_standard_resize_policy(const Size_Policy& r_size_policy, + const Trigger_Policy& r_trigger_policy) +: Size_Policy(r_size_policy), Trigger_Policy(r_trigger_policy), + m_size(Size_Policy::get_nearest_larger_size(1)) +{ trigger_policy_base::notify_externally_resized(m_size); } + +PB_DS_CLASS_T_DEC +PB_DS_CLASS_C_DEC:: +~hash_standard_resize_policy() +{ } + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +swap(PB_DS_CLASS_C_DEC& other) +{ + trigger_policy_base::swap(other); + size_policy_base::swap(other); + std::swap(m_size, other.m_size); +} + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_find_search_start() +{ trigger_policy_base::notify_find_search_start(); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_find_search_collision() +{ trigger_policy_base::notify_find_search_collision(); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_find_search_end() +{ trigger_policy_base::notify_find_search_end(); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_insert_search_start() +{ trigger_policy_base::notify_insert_search_start(); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_insert_search_collision() +{ trigger_policy_base::notify_insert_search_collision(); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_insert_search_end() +{ trigger_policy_base::notify_insert_search_end(); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_erase_search_start() +{ trigger_policy_base::notify_erase_search_start(); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_erase_search_collision() +{ trigger_policy_base::notify_erase_search_collision(); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_erase_search_end() +{ trigger_policy_base::notify_erase_search_end(); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_inserted(size_type num_e) +{ trigger_policy_base::notify_inserted(num_e); } + +PB_DS_CLASS_T_DEC +inline void +PB_DS_CLASS_C_DEC:: +notify_erased(size_type num_e) +{ trigger_policy_base::notify_erased(num_e); } + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +notify_cleared() +{ trigger_policy_base::notify_cleared(); } + +PB_DS_CLASS_T_DEC +inline bool +PB_DS_CLASS_C_DEC:: +is_resize_needed() const +{ return trigger_policy_base::is_resize_needed(); } + +PB_DS_CLASS_T_DEC +typename PB_DS_CLASS_C_DEC::size_type +PB_DS_CLASS_C_DEC:: +get_new_size(size_type size, size_type num_used_e) const +{ + if (trigger_policy_base::is_grow_needed(size, num_used_e)) + return size_policy_base::get_nearest_larger_size(size); + return size_policy_base::get_nearest_smaller_size(size); +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +notify_resized(size_type new_size) +{ + trigger_policy_base::notify_resized(new_size); + m_size = new_size; +} + +PB_DS_CLASS_T_DEC +inline typename PB_DS_CLASS_C_DEC::size_type +PB_DS_CLASS_C_DEC:: +get_actual_size() const +{ + PB_DS_STATIC_ASSERT(access, external_size_access); + return m_size; +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +resize(size_type new_size) +{ + PB_DS_STATIC_ASSERT(access, external_size_access); + size_type actual_size = size_policy_base::get_nearest_larger_size(1); + while (actual_size < new_size) + { + const size_type pot = size_policy_base::get_nearest_larger_size(actual_size); + + if (pot == actual_size && pot < new_size) + __throw_resize_error(); + actual_size = pot; + } + + if (actual_size > 0) + --actual_size; + + const size_type old_size = m_size; + __try + { + do_resize(actual_size - 1); + } + __catch(insert_error& ) + { + m_size = old_size; + __throw_resize_error(); + } + __catch(...) + { + m_size = old_size; + __throw_exception_again; + } +} + +PB_DS_CLASS_T_DEC +void +PB_DS_CLASS_C_DEC:: +do_resize(size_type) +{ + // Do nothing +} + +PB_DS_CLASS_T_DEC +Trigger_Policy& +PB_DS_CLASS_C_DEC:: +get_trigger_policy() +{ return *this; } + +PB_DS_CLASS_T_DEC +const Trigger_Policy& +PB_DS_CLASS_C_DEC:: +get_trigger_policy() const +{ return *this; } + +PB_DS_CLASS_T_DEC +Size_Policy& +PB_DS_CLASS_C_DEC:: +get_size_policy() +{ return *this; } + +PB_DS_CLASS_T_DEC +const Size_Policy& +PB_DS_CLASS_C_DEC:: +get_size_policy() const +{ return *this; } + diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/sample_resize_policy.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/sample_resize_policy.hpp new file mode 100644 index 000000000..ed70b9511 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/sample_resize_policy.hpp @@ -0,0 +1,125 @@ +// -*- 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 sample_resize_policy.hpp + * Contains a sample resize policy for hash tables. + */ + +#ifndef PB_DS_SAMPLE_RESIZE_POLICY_HPP +#define PB_DS_SAMPLE_RESIZE_POLICY_HPP + +// A sample resize policy. +class sample_resize_policy +{ +public: + + // Size type. + typedef size_t size_type; + + // Default constructor. + sample_resize_policy(); + + // Copy constructor. + sample_range_hashing(const sample_resize_policy& other); + + // Swaps content. + inline void + swap(sample_resize_policy& other); + +protected: + + // Notifies a search started. + inline void + notify_insert_search_start(); + + // Notifies a search encountered a collision. + inline void + notify_insert_search_collision(); + + // Notifies a search ended. + inline void + notify_insert_search_end(); + + // Notifies a search started. + inline void + notify_find_search_start(); + + // Notifies a search encountered a collision. + inline void + notify_find_search_collision(); + + // Notifies a search ended. + inline void + notify_find_search_end(); + + // Notifies a search started. + inline void + notify_erase_search_start(); + + // Notifies a search encountered a collision. + inline void + notify_erase_search_collision(); + + // Notifies a search ended. + inline void + notify_erase_search_end(); + + // Notifies an element was inserted. + inline void + notify_inserted(size_type num_e); + + // Notifies an element was erased. + inline void + notify_erased(size_type num_e); + + // Notifies the table was cleared. + void + notify_cleared(); + + // Notifies the table was resized to new_size. + void + notify_resized(size_type new_size); + + // Queries whether a resize is needed. + inline bool + is_resize_needed() const; + + // Queries what the new size should be. + size_type + get_new_size(size_type size, size_type num_used_e) const; +}; + +#endif diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/sample_resize_trigger.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/sample_resize_trigger.hpp new file mode 100644 index 000000000..a27dd9427 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/sample_resize_trigger.hpp @@ -0,0 +1,137 @@ +// -*- 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 sample_resize_trigger.hpp + * Contains a sample resize trigger policy class. + */ + +#ifndef PB_DS_SAMPLE_RESIZE_TRIGGER_HPP +#define PB_DS_SAMPLE_RESIZE_TRIGGER_HPP + +// A sample resize trigger policy. +class sample_resize_trigger +{ +public: + + // Size type. + typedef size_t size_type; + + // Default constructor. + sample_resize_trigger(); + + // Copy constructor. + sample_range_hashing(const sample_resize_trigger& other); + + // Swaps content. + inline void + swap(sample_resize_trigger& other); + +protected: + + // Notifies a search started. + inline void + notify_insert_search_start(); + + // Notifies a search encountered a collision. + inline void + notify_insert_search_collision(); + + // Notifies a search ended. + inline void + notify_insert_search_end(); + + // Notifies a search started. + inline void + notify_find_search_start(); + + // Notifies a search encountered a collision. + inline void + notify_find_search_collision(); + + // Notifies a search ended. + inline void + notify_find_search_end(); + + // Notifies a search started. + inline void + notify_erase_search_start(); + + // Notifies a search encountered a collision. + inline void + notify_erase_search_collision(); + + // Notifies a search ended. + inline void + notify_erase_search_end(); + + // Notifies an element was inserted. the total number of entries in + // the table is num_entries. + inline void + notify_inserted(size_type num_entries); + + // Notifies an element was erased. + inline void + notify_erased(size_type num_entries); + + // Notifies the table was cleared. + void + notify_cleared(); + + // Notifies the table was resized as a result of this object's + // signifying that a resize is needed. + void + notify_resized(size_type new_size); + + // Notifies the table was resized externally. + void + notify_externally_resized(size_type new_size); + + // Queries whether a resize is needed. + inline bool + is_resize_needed() const; + + // Queries whether a grow is needed. + inline bool + is_grow_needed(size_type size, size_type num_entries) const; + +private: + + // Resizes to new_size. + virtual void + do_resize(size_type new_size); +}; + +#endif diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/sample_size_policy.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/sample_size_policy.hpp new file mode 100644 index 000000000..1f2d3a9c1 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/sample_size_policy.hpp @@ -0,0 +1,73 @@ +// -*- 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 sample_size_policy.hpp + * Contains a sample size resize-policy. + */ + +#ifndef PB_DS_SAMPLE_SIZE_POLICY_HPP +#define PB_DS_SAMPLE_SIZE_POLICY_HPP + +// A sample size policy. +class sample_size_policy +{ +public: + + // Size type. + typedef size_t size_type; + + // Default constructor. + sample_size_policy(); + + // Copy constructor. + sample_range_hashing(const sample_size_policy& other); + + // Swaps content. + inline void + swap(sample_size_policy& other); + +protected: + + // Given a __size size, returns a __size that is larger. + inline size_type + get_nearest_larger_size(size_type size) const; + + // Given a __size size, returns a __size that is smaller. + inline size_type + get_nearest_smaller_size(size_type size) const; +}; + +#endif |