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1 | // -*- C++ -*- | |
2 | ||
3 | // Copyright (C) 2005-2021 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 | |
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 | |
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 |