1 // -*- C++ -*- 2 3 // Copyright (C) 2005-2019 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the terms 7 // of the GNU General Public License as published by the Free Software 8 // Foundation; either version 3, or (at your option) any later 9 // version. 10 11 // This library is distributed in the hope that it will be useful, but 12 // WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 // General Public License for more details. 15 16 // You should have received a copy of the GNU General Public License 17 // along with this library; see the file COPYING3. If not see 18 // <http://www.gnu.org/licenses/>. 19 20 21 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 22 23 // Permission to use, copy, modify, sell, and distribute this software 24 // is hereby granted without fee, provided that the above copyright 25 // notice appears in all copies, and that both that copyright notice 26 // and this permission notice appear in supporting documentation. None 27 // of the above authors, nor IBM Haifa Research Laboratories, make any 28 // representation about the suitability of this software for any 29 // purpose. It is provided "as is" without express or implied 30 // warranty. 31 32 /** 33 * @file template_policy.hpp 34 * Contains template versions of policies. 35 */ 36 37 #ifndef PB_DS_TEMPLATE_POLICY_HPP 38 #define PB_DS_TEMPLATE_POLICY_HPP 39 40 #include <ext/typelist.h> 41 #include <ext/pb_ds/hash_policy.hpp> 42 #include <ext/pb_ds/tree_policy.hpp> 43 #include <ext/pb_ds/list_update_policy.hpp> 44 45 namespace __gnu_pbds 46 { 47 namespace test 48 { 49 template<typename _Alloc> 50 struct direct_mask_range_hashing_t_ 51 : public __gnu_pbds::direct_mask_range_hashing<typename _Alloc::size_type> 52 { 53 typedef typename _Alloc::size_type size_type; 54 typedef __gnu_pbds::direct_mask_range_hashing<size_type> base_type; 55 }; 56 57 template<typename _Alloc> 58 struct direct_mod_range_hashing_t_ 59 : public __gnu_pbds::direct_mod_range_hashing<typename _Alloc::size_type> 60 { 61 typedef typename _Alloc::size_type size_type; 62 typedef __gnu_pbds::direct_mod_range_hashing<size_type> base_type; 63 }; 64 65 template<typename _Alloc, 66 typename _Alloc::size_type Min_Load_Nom, 67 typename _Alloc::size_type Min_Load_Denom, 68 typename _Alloc::size_type Max_Load_Nom, 69 typename _Alloc::size_type Max_Load_Denom, 70 bool External_Access> 71 struct hash_load_check_resize_trigger_t_ 72 : public __gnu_pbds::hash_load_check_resize_trigger<External_Access, 73 typename _Alloc::size_type> 74 { 75 typedef typename _Alloc::size_type size_type; 76 typedef __gnu_pbds::hash_load_check_resize_trigger<External_Access, size_type> base_type; 77 78 inline hash_load_check_resize_trigger_t___gnu_pbds::test::hash_load_check_resize_trigger_t_79 hash_load_check_resize_trigger_t_() 80 : base_type(static_cast<float>(Min_Load_Nom) / static_cast<float>(Min_Load_Denom), static_cast<float>(Max_Load_Nom) / static_cast<float>(Max_Load_Denom)) 81 { } 82 83 enum 84 { 85 get_set_loads = External_Access, 86 get_set_load = false 87 }; 88 }; 89 90 template<typename _Alloc, 91 typename _Alloc::size_type Load_Nom, 92 typename _Alloc::size_type Load_Denom, 93 bool External_Access> 94 struct cc_hash_max_collision_check_resize_trigger_t_ 95 : public __gnu_pbds::cc_hash_max_collision_check_resize_trigger<External_Access, 96 typename _Alloc::size_type> 97 { 98 typedef typename _Alloc::size_type size_type; 99 typedef __gnu_pbds::cc_hash_max_collision_check_resize_trigger<External_Access, size_type> base_type; 100 101 inline cc_hash_max_collision_check_resize_trigger_t___gnu_pbds::test::cc_hash_max_collision_check_resize_trigger_t_102 cc_hash_max_collision_check_resize_trigger_t_() 103 : base_type(static_cast<float>(Load_Nom) / static_cast<float>(Load_Denom)) 104 { } 105 106 enum 107 { 108 get_set_load = External_Access, 109 get_set_loads = false 110 }; 111 }; 112 113 struct hash_prime_size_policy_t_ : public __gnu_pbds::hash_prime_size_policy 114 { }; 115 116 template<typename _Alloc> 117 struct hash_exponential_size_policy_t_ 118 : public __gnu_pbds::hash_exponential_size_policy<typename _Alloc::size_type> 119 { }; 120 121 template<typename Key, typename _Alloc> 122 struct linear_probe_fn_t_ 123 : public __gnu_pbds::linear_probe_fn<typename _Alloc::size_type> 124 { }; 125 126 template<typename Key, typename _Alloc> 127 struct quadratic_probe_fn_t_ 128 : public __gnu_pbds::quadratic_probe_fn<typename _Alloc::size_type> 129 { }; 130 131 template<typename _Alloc, typename _Alloc::size_type Max_Count> 132 struct lu_counter_policy_t_ 133 : public __gnu_pbds::lu_counter_policy<Max_Count, _Alloc> 134 { 135 typedef __gnu_pbds::lu_counter_policy<Max_Count, _Alloc> base_type; 136 }; 137 138 struct lu_move_to_front_policy_t_ 139 : public __gnu_pbds::lu_move_to_front_policy<> 140 { }; 141 } // namespace test 142 } // namespace __gnu_pbds 143 144 #endif 145 146