standard_policies.hpp revision 302408
1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006 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 2, 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// 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. 20 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 29// Public License. 30 31// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32 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 40// warranty. 41 42/** 43 * @file standard_policies.hpp 44 * Contains standard policies for gp_ht_map types. 45 */ 46 47#ifndef PB_DS_GP_HT_MAP_STANDARD_POLICIES_HPP 48#define PB_DS_GP_HT_MAP_STANDARD_POLICIES_HPP 49 50#include <ext/pb_ds/detail/standard_policies.hpp> 51#include <ext/pb_ds/ht_load_check_resize_trigger.hpp> 52#include <ext/pb_ds/linear_probe_fn.hpp> 53#include <ext/pb_ds/quadratic_probe_fn.hpp> 54 55namespace pb_ds 56{ 57 namespace detail 58 { 59 template<typename Comb_Probe_Fn> 60 struct default_probe_fn 61 { 62 private: 63 typedef typename Comb_Probe_Fn::size_type size_type; 64 65 public: 66 typedef 67 typename __conditional_type< 68 is_same< 69 pb_ds::direct_mask_range_hashing<size_t>, 70 Comb_Probe_Fn>::value, 71 pb_ds::linear_probe_fn<size_type>, 72 pb_ds::quadratic_probe_fn<size_type> >::__type 73 type; 74 }; 75 76 } // namespace detail 77} // namespace pb_ds 78 79#endif 80 81