libstdc++
gp_hash_table_map_/standard_policies.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005, 2006, 2009, 2010 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 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24 
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
26 
27 // Permission to use, copy, modify, sell, and distribute this software
28 // is hereby granted without fee, provided that the above copyright
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35 
36 /**
37  * @file gp_hash_table_map_/standard_policies.hpp
38  * Contains standard policies for gp_ht_map types.
39  */
40 
41 #ifndef PB_DS_GP_HT_MAP_STANDARD_POLICIES_HPP
42 #define PB_DS_GP_HT_MAP_STANDARD_POLICIES_HPP
43 
45 #include <ext/pb_ds/ht_load_check_resize_trigger.hpp>
46 #include <ext/pb_ds/linear_probe_fn.hpp>
47 #include <ext/pb_ds/quadratic_probe_fn.hpp>
48 
49 namespace __gnu_pbds
50 {
51  namespace detail
52  {
53  template<typename Comb_Probe_Fn>
54  struct default_probe_fn
55  {
56  private:
57  typedef typename Comb_Probe_Fn::size_type size_type;
58 
59  public:
60  typedef
61  typename __conditional_type<
62  is_same<
64  Comb_Probe_Fn>::value,
67  type;
68  };
69 
70  } // namespace detail
71 } // namespace __gnu_pbds
72 
73 #endif
74