diff options
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp | 161 |
1 files changed, 0 insertions, 161 deletions
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 deleted file mode 100644 index a28f5ede5..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp +++ /dev/null @@ -1,161 +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 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; -} |