1// -*- C++ -*-
2
3// Copyright (C) 2005-2022 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
29// notice appears in all copies, and that both that copyright notice
30// and this permission notice appear in supporting documentation. None
31// of the above authors, nor IBM Haifa Research Laboratories, make any
32// representation about the suitability of this software for any
33// purpose. It is provided "as is" without express or implied
34// warranty.
35
36/**
37 * @file hash_load_check_resize_trigger_size_base.hpp
38 * Contains an base holding size for some resize policies.
39 */
40
41#ifndef PB_DS_HASH_LOAD_CHECK_RESIZE_TRIGGER_SIZE_BASE_HPP
42#define PB_DS_HASH_LOAD_CHECK_RESIZE_TRIGGER_SIZE_BASE_HPP
43
44namespace __gnu_pbds
45{
46  namespace detail
47  {
48    /// Primary template.
49    template<typename Size_Type, bool Hold_Size>
50    class hash_load_check_resize_trigger_size_base;
51
52    /// Specializations.
53    template<typename Size_Type>
54    class hash_load_check_resize_trigger_size_base<Size_Type, true>
55    {
56    protected:
57      typedef Size_Type size_type;
58
59      hash_load_check_resize_trigger_size_base(): m_size(0)
60      { }
61
62      inline void
63      swap(hash_load_check_resize_trigger_size_base& other)
64      { std::swap(m_size, other.m_size); }
65
66      inline void
67      set_size(size_type size)
68      { m_size = size; }
69
70      inline size_type
71      get_size() const
72      { return m_size; }
73
74    private:
75      size_type m_size;
76    };
77
78    template<typename Size_Type>
79    class hash_load_check_resize_trigger_size_base<Size_Type, false>
80    {
81    protected:
82      typedef Size_Type size_type;
83
84    protected:
85      inline void
86      swap(hash_load_check_resize_trigger_size_base& other) { }
87
88      inline void
89      set_size(size_type size) { }
90    };
91  } // namespace detail
92} // namespace __gnu_pbds
93
94#endif
95