URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [include/] [ext/] [pb_ds/] [detail/] [hash_fn/] [mod_based_range_hashing.hpp] - Rev 516
Compare with Previous | Blame | View Log
// -*- C++ -*- // Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the terms // of the GNU General Public License as published by the Free Software // Foundation; either version 3, or (at your option) any later // version. // This library is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. // Permission to use, copy, modify, sell, and distribute this software // is hereby granted without fee, provided that the above copyright // notice appears in all copies, and that both that copyright notice // and this permission notice appear in supporting documentation. None // of the above authors, nor IBM Haifa Research Laboratories, make any // representation about the suitability of this software for any // purpose. It is provided "as is" without express or implied // warranty. /** * @file mod_based_range_hashing.hpp * Contains a range hashing policy base. */ #ifndef PB_DS_MOD_BASED_RANGE_HASHING_HPP #define PB_DS_MOD_BASED_RANGE_HASHING_HPP namespace __gnu_pbds { namespace detail { #define PB_DS_CLASS_T_DEC \ template<typename Size_Type> #define PB_DS_CLASS_C_DEC \ mod_based_range_hashing< \ Size_Type> template<typename Size_Type> class mod_based_range_hashing { protected: typedef Size_Type size_type; protected: void swap(PB_DS_CLASS_C_DEC& other); void notify_resized(size_type size); inline size_type range_hash(size_type hash) const; private: size_type m_size; }; PB_DS_CLASS_T_DEC void PB_DS_CLASS_C_DEC:: swap(PB_DS_CLASS_C_DEC& other) { std::swap(m_size, other.m_size); } PB_DS_CLASS_T_DEC void PB_DS_CLASS_C_DEC:: notify_resized(size_type size) { m_size = size; } PB_DS_CLASS_T_DEC inline typename PB_DS_CLASS_C_DEC::size_type PB_DS_CLASS_C_DEC:: range_hash(size_type hash) const { return (hash % m_size); } #undef PB_DS_CLASS_T_DEC #undef PB_DS_CLASS_C_DEC } // namespace detail } // namespace __gnu_pbds #endif // #ifndef PB_DS_MOD_BASED_RANGE_HASHING_HPP