3 // Copyright (C) 2005, 2006 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 2, 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 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING. If not, write to
18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19 // MA 02111-1307, USA.
21 // As a special exception, you may use this file as part of a free
22 // software library without restriction. Specifically, if other files
23 // instantiate templates or use macros or inline functions from this
24 // file, or you compile this file and link it with other files to
25 // produce an executable, this file does not by itself cause the
26 // resulting executable to be covered by the GNU General Public
27 // License. This exception does not however invalidate any other
28 // reasons why the executable file might be covered by the GNU General
31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
33 // Permission to use, copy, modify, sell, and distribute this software
34 // is hereby granted without fee, provided that the above copyright
35 // notice appears in all copies, and that both that copyright notice
36 // and this permission notice appear in supporting documentation. None
37 // of the above authors, nor IBM Haifa Research Laboratories, make any
38 // representation about the suitability of this software for any
39 // purpose. It is provided "as is" without express or implied
43 * @file hash_exponential_size_policy_imp.hpp
44 * Contains a resize size policy implementation.
49 hash_exponential_size_policy(size_type start_size, size_type grow_factor) :
50 m_start_size(start_size),
51 m_grow_factor(grow_factor)
57 swap(PB_DS_CLASS_C_DEC& other)
59 std::swap(m_start_size, other.m_start_size);
60 std::swap(m_grow_factor, other.m_grow_factor);
64 typename PB_DS_CLASS_C_DEC::size_type
66 get_nearest_larger_size(size_type size) const
68 size_type ret = m_start_size;
71 const size_type next_ret = ret* m_grow_factor;
73 __throw_insert_error();
80 typename PB_DS_CLASS_C_DEC::size_type
82 get_nearest_smaller_size(size_type size) const
84 size_type ret = m_start_size;
87 const size_type next_ret = ret* m_grow_factor;
89 __throw_resize_error();