libstdc++-v3/testsuite/util/common_type/assoc/template_policy.hpp

   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 template_policy.hpp
  44  * Contains template versions of policies.
  45  */
  46
  47 #ifndef PB_DS_TEMPLATE_POLICY_HPP
  48 #define PB_DS_TEMPLATE_POLICY_HPP
  49
  50 #include <ext/typelist.h>
  51 #include <ext/pb_ds/hash_policy.hpp>
  52 #include <ext/pb_ds/tree_policy.hpp>
  53 #include <ext/pb_ds/list_update_policy.hpp>
  54
  55 namespace pb_ds
  56 {
  57   namespace test
  58   {
  59     template<typename Allocator>
  60     struct direct_mask_range_hashing_t_
  61     : public pb_ds::direct_mask_range_hashing<typename Allocator::size_type>
  62     {
  63       typedef typename Allocator::size_type size_type;
  64       typedef pb_ds::direct_mask_range_hashing<size_type> base_type;
  65     };
  66
  67     template<typename Allocator>
  68     struct direct_mod_range_hashing_t_
  69     : public pb_ds::direct_mod_range_hashing<typename Allocator::size_type>
  70     {
  71       typedef typename Allocator::size_type size_type;
  72       typedef pb_ds::direct_mod_range_hashing<size_type> base_type;
  73     };
  74
  75     template<typename Allocator,
  76              typename Allocator::size_type Min_Load_Nom,
  77              typename Allocator::size_type Min_Load_Denom,
  78              typename Allocator::size_type Max_Load_Nom,
  79              typename Allocator::size_type Max_Load_Denom,
  80              bool External_Access>
  81     struct hash_load_check_resize_trigger_t_
  82     : public pb_ds::hash_load_check_resize_trigger<External_Access,
  83                                                    typename Allocator::size_type>
  84     {
  85       typedef typename Allocator::size_type size_type;
  86       typedef pb_ds::hash_load_check_resize_trigger<External_Access, size_type>  base_type;
  87
  88       inline
  89       hash_load_check_resize_trigger_t_()
  90       : base_type(static_cast<float>(Min_Load_Nom) / static_cast<float>(Min_Load_Denom), static_cast<float>(Max_Load_Nom) / static_cast<float>(Max_Load_Denom))
  91       { }
  92
  93       enum
  94         {
  95           get_set_loads = External_Access,
  96           get_set_load = false
  97         };
  98     };
  99
 100     template<typename Allocator,
 101              typename Allocator::size_type Load_Nom,
 102              typename Allocator::size_type Load_Denom,
 103              bool External_Access>
 104     struct cc_hash_max_collision_check_resize_trigger_t_
 105     : public pb_ds::cc_hash_max_collision_check_resize_trigger<External_Access,
 106       typename Allocator::size_type>
 107     {
 108       typedef typename Allocator::size_type size_type;
 109       typedef pb_ds::cc_hash_max_collision_check_resize_trigger<External_Access, size_type> base_type;
 110
 111       inline
 112       cc_hash_max_collision_check_resize_trigger_t_()
 113       : base_type(static_cast<float>(Load_Nom) / static_cast<float>(Load_Denom))
 114       { }
 115
 116       enum
 117         {
 118           get_set_load = External_Access,
 119           get_set_loads = false
 120         };
 121     };
 122
 123     struct hash_prime_size_policy_t_ : public pb_ds::hash_prime_size_policy
 124     { };
 125
 126     template<typename Allocator>
 127     struct hash_exponential_size_policy_t_
 128     : public pb_ds::hash_exponential_size_policy<typename Allocator::size_type>
 129     { };
 130
 131     template<typename Key, class Allocator>
 132     struct linear_probe_fn_t_
 133     : public pb_ds::linear_probe_fn<typename Allocator::size_type>
 134     { };
 135
 136     template<typename Key, class Allocator>
 137     struct quadratic_probe_fn_t_
 138     : public pb_ds::quadratic_probe_fn<typename Allocator::size_type>
 139     { };
 140
 141     template<typename Allocator, typename Allocator::size_type Max_Count>
 142     struct counter_lu_policy_t_
 143     : public pb_ds::counter_lu_policy<Max_Count, Allocator>
 144     {
 145       typedef pb_ds::counter_lu_policy<Max_Count, Allocator> base_type;
 146     };
 147
 148     struct move_to_front_lu_policy_t_
 149     : public pb_ds::move_to_front_lu_policy<>
 150     { };
 151   } // namespace test
 152 } // namespace pb_ds
 153
 154 #endif
 155