1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006, 2009 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 sample_ranged_hash_fn.hpp 38 * Contains a ranged hash policy. 39 */ 40 41#ifndef PB_DS_SAMPLE_RANGED_HASH_FN_HPP 42#define PB_DS_SAMPLE_RANGED_HASH_FN_HPP 43 44// A sample ranged-hash functor. 45class sample_ranged_hash_fn 46{ 47 48public: 49 50 // Size type. 51 typedef size_t size_type; 52 53public: 54 55 // Default constructor. 56 sample_ranged_hash_fn(); 57 58 // Copy constructor. 59 sample_ranged_hash_fn(const sample_ranged_hash_fn& other); 60 61 // Swaps content. 62 inline void 63 swap(sample_ranged_hash_fn& other); 64 65protected: 66 67 // Notifies the policy object that the container's __size has changed to size. 68 void 69 notify_resized(size_type size); 70 71 // Transforms r_key into a position within the table. 72 inline size_type 73 operator()(const_key_reference r_key) const; 74 75}; 76 77#endif // #ifndef PB_DS_SAMPLE_RANGED_HASH_FN_HPP 78