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 55 namespace 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