3 // Copyright (C) 2005-2019 Free Software Foundation, Inc.
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
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.
16 // Under Section 7 of GPL version 3, you are granted additional
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18 // 3.1, as published by the Free Software Foundation.
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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
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25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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37 * @file hash_exponential_size_policy_imp.hpp
38 * Contains a resize size policy implementation.
41 #ifdef PB_DS_CLASS_C_DEC
45 hash_exponential_size_policy(size_type start_size
, size_type grow_factor
) :
46 m_start_size(start_size
),
47 m_grow_factor(grow_factor
)
53 swap(PB_DS_CLASS_C_DEC
& other
)
55 std::swap(m_start_size
, other
.m_start_size
);
56 std::swap(m_grow_factor
, other
.m_grow_factor
);
60 typename
PB_DS_CLASS_C_DEC::size_type
62 get_nearest_larger_size(size_type size
) const
64 size_type ret
= m_start_size
;
67 const size_type next_ret
= ret
* m_grow_factor
;
69 __throw_insert_error();
76 typename
PB_DS_CLASS_C_DEC::size_type
78 get_nearest_smaller_size(size_type size
) const
80 size_type ret
= m_start_size
;
83 const size_type next_ret
= ret
* m_grow_factor
;
85 __throw_resize_error();