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// -*- C++ -*-
 
// Copyright (C) 2005, 2006, 2009, 2011 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 ranged_hash_fn.hpp
 * Contains a unified ranged hash functor, allowing the hash tables
 * to deal with a single class for ranged hashing.
 */
 
#ifndef PB_DS_RANGED_HASH_FN_HPP
#define PB_DS_RANGED_HASH_FN_HPP
 
#include <utility>
#include <debug/debug.h>
 
namespace __gnu_pbds
{
  namespace detail
  {
    /// Primary template.
    template<typename Key, typename Hash_Fn, typename _Alloc,
             typename Comb_Hash_Fn, bool Store_Hash>
    class ranged_hash_fn;
 
#define PB_DS_CLASS_T_DEC \
    template<typename Key, typename Hash_Fn, typename _Alloc, \
             typename Comb_Hash_Fn>
 
#define PB_DS_CLASS_C_DEC \
    ranged_hash_fn<Key, Hash_Fn, _Alloc, Comb_Hash_Fn, false>
 
    /**
     * Specialization 1
     * The client supplies a hash function and a ranged hash function,
     * and requests that hash values not be stored.
     **/
    template<typename Key, typename Hash_Fn, typename _Alloc,
             typename Comb_Hash_Fn>
    class ranged_hash_fn< Key, Hash_Fn, _Alloc, Comb_Hash_Fn, false>
    : public Hash_Fn, public Comb_Hash_Fn
    {
    protected:
      typedef typename _Alloc::size_type size_type;
      typedef Hash_Fn hash_fn_base;
      typedef Comb_Hash_Fn comb_hash_fn_base;
      typedef typename _Alloc::template rebind< Key>::other key_allocator;
      typedef typename key_allocator::const_reference key_const_reference;
 
      ranged_hash_fn(size_type);
 
      ranged_hash_fn(size_type, const Hash_Fn&);
 
      ranged_hash_fn(size_type, const Hash_Fn&, const Comb_Hash_Fn&);
 
      void
      swap(PB_DS_CLASS_C_DEC&);
 
      void
      notify_resized(size_type);
 
      inline size_type
      operator()(key_const_reference) const;
    };
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size)
    { Comb_Hash_Fn::notify_resized(size); }
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size, const Hash_Fn& r_hash_fn)
    : Hash_Fn(r_hash_fn)
    { Comb_Hash_Fn::notify_resized(size); }
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size, const Hash_Fn& r_hash_fn,
                   const Comb_Hash_Fn& r_comb_hash_fn)
    : Hash_Fn(r_hash_fn), Comb_Hash_Fn(r_comb_hash_fn)
    { comb_hash_fn_base::notify_resized(size); }
 
    PB_DS_CLASS_T_DEC
    void
    PB_DS_CLASS_C_DEC::
    swap(PB_DS_CLASS_C_DEC& other)
    {
      comb_hash_fn_base::swap(other);
      std::swap((Hash_Fn& )(*this), (Hash_Fn& )other);
    }
 
    PB_DS_CLASS_T_DEC
    void
    PB_DS_CLASS_C_DEC::
    notify_resized(size_type size)
    { comb_hash_fn_base::notify_resized(size); }
 
    PB_DS_CLASS_T_DEC
    inline typename PB_DS_CLASS_C_DEC::size_type
    PB_DS_CLASS_C_DEC::
    operator()(key_const_reference r_key) const
    { return (comb_hash_fn_base::operator()(hash_fn_base::operator()(r_key)));}
 
#undef PB_DS_CLASS_T_DEC
#undef PB_DS_CLASS_C_DEC
 
#define PB_DS_CLASS_T_DEC \
    template<typename Key, typename Hash_Fn, typename _Alloc, \
             typename Comb_Hash_Fn>
 
#define PB_DS_CLASS_C_DEC \
    ranged_hash_fn<Key,Hash_Fn, _Alloc, Comb_Hash_Fn, true>
 
    /**
     * Specialization 2
     * The client supplies a hash function and a ranged hash function,
     * and requests that hash values be stored.
     **/
    template<typename Key, typename Hash_Fn, typename _Alloc,
             typename Comb_Hash_Fn>
    class ranged_hash_fn<Key, Hash_Fn, _Alloc, Comb_Hash_Fn, true>
    : public Hash_Fn, public Comb_Hash_Fn
    {
    protected:
      typedef typename _Alloc::size_type size_type;
      typedef std::pair<size_type, size_type> comp_hash;
      typedef Hash_Fn hash_fn_base;
      typedef Comb_Hash_Fn comb_hash_fn_base;
      typedef typename _Alloc::template rebind<Key>::other key_allocator;
      typedef typename key_allocator::const_reference key_const_reference;
 
      ranged_hash_fn(size_type);
 
      ranged_hash_fn(size_type, const Hash_Fn&);
 
      ranged_hash_fn(size_type, const Hash_Fn&, const Comb_Hash_Fn&);
 
      void
      swap(PB_DS_CLASS_C_DEC&);
 
      void
      notify_resized(size_type);
 
      inline comp_hash
      operator()(key_const_reference) const;
 
      inline comp_hash
      operator()(key_const_reference, size_type) const;
    };
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size)
    { Comb_Hash_Fn::notify_resized(size); }
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size, const Hash_Fn& r_hash_fn) :
      Hash_Fn(r_hash_fn)
    { Comb_Hash_Fn::notify_resized(size); }
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size, const Hash_Fn& r_hash_fn,
                   const Comb_Hash_Fn& r_comb_hash_fn)
    : Hash_Fn(r_hash_fn), Comb_Hash_Fn(r_comb_hash_fn)
    { comb_hash_fn_base::notify_resized(size); }
 
    PB_DS_CLASS_T_DEC
    void
    PB_DS_CLASS_C_DEC::
    swap(PB_DS_CLASS_C_DEC& other)
    {
      comb_hash_fn_base::swap(other);
      std::swap((Hash_Fn& )(*this), (Hash_Fn& )other);
    }
 
    PB_DS_CLASS_T_DEC
    void
    PB_DS_CLASS_C_DEC::
    notify_resized(size_type size)
    { comb_hash_fn_base::notify_resized(size); }
 
    PB_DS_CLASS_T_DEC
    inline typename PB_DS_CLASS_C_DEC::comp_hash
    PB_DS_CLASS_C_DEC::
    operator()(key_const_reference r_key) const
    {
      const size_type hash = hash_fn_base::operator()(r_key);
      return std::make_pair(comb_hash_fn_base::operator()(hash), hash);
    }
 
    PB_DS_CLASS_T_DEC
    inline typename PB_DS_CLASS_C_DEC::comp_hash
    PB_DS_CLASS_C_DEC::
    operator()
#ifdef _GLIBCXX_DEBUG
      (key_const_reference r_key, size_type hash) const
#else 
      (key_const_reference /*r_key*/, size_type hash) const
#endif
    {
      _GLIBCXX_DEBUG_ASSERT(hash == hash_fn_base::operator()(r_key));
      return std::make_pair(comb_hash_fn_base::operator()(hash), hash);
    }
 
#undef PB_DS_CLASS_T_DEC
#undef PB_DS_CLASS_C_DEC
 
#define PB_DS_CLASS_T_DEC \
    template<typename Key, typename _Alloc, typename Comb_Hash_Fn>
 
#define PB_DS_CLASS_C_DEC \
    ranged_hash_fn<Key, null_type, _Alloc, Comb_Hash_Fn, false>
 
    /**
     * Specialization 3
     * The client does not supply a hash function (by specifying
     * null_type as the Hash_Fn parameter), and requests that hash
     * values not be stored.
     **/
    template<typename Key, typename _Alloc, typename Comb_Hash_Fn>
    class ranged_hash_fn<Key, null_type, _Alloc, Comb_Hash_Fn, false>
    : public Comb_Hash_Fn
    {
    protected:
      typedef typename _Alloc::size_type size_type;
      typedef Comb_Hash_Fn comb_hash_fn_base;
 
      ranged_hash_fn(size_type);
 
      ranged_hash_fn(size_type, const Comb_Hash_Fn&);
 
      ranged_hash_fn(size_type, const null_type&, const Comb_Hash_Fn&);
 
      void
      swap(PB_DS_CLASS_C_DEC&);
    };
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size)
    { Comb_Hash_Fn::notify_resized(size); }
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size, const Comb_Hash_Fn& r_comb_hash_fn) :
      Comb_Hash_Fn(r_comb_hash_fn)
    { }
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size, const null_type& r_null_type,
                   const Comb_Hash_Fn& r_comb_hash_fn)
    : Comb_Hash_Fn(r_comb_hash_fn)
    { }
 
    PB_DS_CLASS_T_DEC
    void
    PB_DS_CLASS_C_DEC::
    swap(PB_DS_CLASS_C_DEC& other)
    { comb_hash_fn_base::swap(other); }
 
#undef PB_DS_CLASS_T_DEC
#undef PB_DS_CLASS_C_DEC
 
#define PB_DS_CLASS_T_DEC \
    template<typename Key, typename _Alloc, typename Comb_Hash_Fn>
 
#define PB_DS_CLASS_C_DEC \
    ranged_hash_fn<Key, null_type, _Alloc, Comb_Hash_Fn, true>
 
    /**
     * Specialization 4
     * The client does not supply a hash function (by specifying
     * null_type as the Hash_Fn parameter), and requests that hash
     * values be stored.
     **/
    template<typename Key, typename _Alloc, typename Comb_Hash_Fn>
    class ranged_hash_fn<Key, null_type, _Alloc, Comb_Hash_Fn, true>
    : public Comb_Hash_Fn
    {
    protected:
      typedef typename _Alloc::size_type size_type;
      typedef Comb_Hash_Fn comb_hash_fn_base;
 
      ranged_hash_fn(size_type);
 
      ranged_hash_fn(size_type, const Comb_Hash_Fn&);
 
      ranged_hash_fn(size_type, const null_type&, const Comb_Hash_Fn&);
 
      void
      swap(PB_DS_CLASS_C_DEC&);
    };
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size)
    { Comb_Hash_Fn::notify_resized(size); }
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size, const Comb_Hash_Fn& r_comb_hash_fn)
    : Comb_Hash_Fn(r_comb_hash_fn)
    { }
 
    PB_DS_CLASS_T_DEC
    PB_DS_CLASS_C_DEC::
    ranged_hash_fn(size_type size, const null_type& r_null_type,
                   const Comb_Hash_Fn& r_comb_hash_fn)
    : Comb_Hash_Fn(r_comb_hash_fn)
    { }
 
    PB_DS_CLASS_T_DEC
    void
    PB_DS_CLASS_C_DEC::
    swap(PB_DS_CLASS_C_DEC& other)
    { comb_hash_fn_base::swap(other); }
 
#undef PB_DS_CLASS_T_DEC
#undef PB_DS_CLASS_C_DEC
 
  } // namespace detail
} // namespace __gnu_pbds
 
#endif 

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[/] [altor32/] [trunk/] [gcc-x64/] [or1knd-elf/] [or1knd-elf/] [include/] [c++/] [4.8.0/] [ext/] [pb_ds/] [detail/] [hash_fn/] [ranged_hash_fn.hpp] - Blame information for rev 35

Line No.	Rev	Author	Line
1	35	ultra_embe	`// -- C++ --`
2
3			`// Copyright (C) 2005, 2006, 2009, 2011 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 ranged_hash_fn.hpp`
38			`* Contains a unified ranged hash functor, allowing the hash tables`
39			`* to deal with a single class for ranged hashing.`
40			`*/`
41
42			`#ifndef PB_DS_RANGED_HASH_FN_HPP`
43			`#define PB_DS_RANGED_HASH_FN_HPP`
44
45			`#include <utility>`
46			`#include <debug/debug.h>`
47
48			`namespace __gnu_pbds`
49			`{`
50			`namespace detail`
51			`{`
52			`/// Primary template.`
53			`template<typename Key, typename Hash_Fn, typename _Alloc,`
54			`typename Comb_Hash_Fn, bool Store_Hash>`
55			`class ranged_hash_fn;`
56
57			`#define PB_DS_CLASS_T_DEC \`
58			`template<typename Key, typename Hash_Fn, typename _Alloc, \`
59			`typename Comb_Hash_Fn>`
60
61			`#define PB_DS_CLASS_C_DEC \`
62			`ranged_hash_fn<Key, Hash_Fn, _Alloc, Comb_Hash_Fn, false>`
63
64			`/**`
65			`* Specialization 1`
66			`* The client supplies a hash function and a ranged hash function,`
67			`* and requests that hash values not be stored.`
68			`**/`
69			`template<typename Key, typename Hash_Fn, typename _Alloc,`
70			`typename Comb_Hash_Fn>`
71			`class ranged_hash_fn< Key, Hash_Fn, _Alloc, Comb_Hash_Fn, false>`
72			`: public Hash_Fn, public Comb_Hash_Fn`
73			`{`
74			`protected:`
75			`typedef typename _Alloc::size_type size_type;`
76			`typedef Hash_Fn hash_fn_base;`
77			`typedef Comb_Hash_Fn comb_hash_fn_base;`
78			`typedef typename _Alloc::template rebind< Key>::other key_allocator;`
79			`typedef typename key_allocator::const_reference key_const_reference;`
80
81			`ranged_hash_fn(size_type);`
82
83			`ranged_hash_fn(size_type, const Hash_Fn&);`
84
85			`ranged_hash_fn(size_type, const Hash_Fn&, const Comb_Hash_Fn&);`
86
87			`void`
88			`swap(PB_DS_CLASS_C_DEC&);`
89
90			`void`
91			`notify_resized(size_type);`
92
93			`inline size_type`
94			`operator()(key_const_reference) const;`
95			`};`
96
97			`PB_DS_CLASS_T_DEC`
98			`PB_DS_CLASS_C_DEC::`
99			`ranged_hash_fn(size_type size)`
100			`{ Comb_Hash_Fn::notify_resized(size); }`
101
102			`PB_DS_CLASS_T_DEC`
103			`PB_DS_CLASS_C_DEC::`
104			`ranged_hash_fn(size_type size, const Hash_Fn& r_hash_fn)`
105			`: Hash_Fn(r_hash_fn)`
106			`{ Comb_Hash_Fn::notify_resized(size); }`
107
108			`PB_DS_CLASS_T_DEC`
109			`PB_DS_CLASS_C_DEC::`
110			`ranged_hash_fn(size_type size, const Hash_Fn& r_hash_fn,`
111			`const Comb_Hash_Fn& r_comb_hash_fn)`
112			`: Hash_Fn(r_hash_fn), Comb_Hash_Fn(r_comb_hash_fn)`
113			`{ comb_hash_fn_base::notify_resized(size); }`
114
115			`PB_DS_CLASS_T_DEC`
116			`void`
117			`PB_DS_CLASS_C_DEC::`
118			`swap(PB_DS_CLASS_C_DEC& other)`
119			`{`
120			`comb_hash_fn_base::swap(other);`
121			`std::swap((Hash_Fn& )(*this), (Hash_Fn& )other);`
122			`}`
123
124			`PB_DS_CLASS_T_DEC`
125			`void`
126			`PB_DS_CLASS_C_DEC::`
127			`notify_resized(size_type size)`
128			`{ comb_hash_fn_base::notify_resized(size); }`
129
130			`PB_DS_CLASS_T_DEC`
131			`inline typename PB_DS_CLASS_C_DEC::size_type`
132			`PB_DS_CLASS_C_DEC::`
133			`operator()(key_const_reference r_key) const`
134			`{ return (comb_hash_fn_base::operator()(hash_fn_base::operator()(r_key)));}`
135
136			`#undef PB_DS_CLASS_T_DEC`
137			`#undef PB_DS_CLASS_C_DEC`
138
139			`#define PB_DS_CLASS_T_DEC \`
140			`template<typename Key, typename Hash_Fn, typename _Alloc, \`
141			`typename Comb_Hash_Fn>`
142
143			`#define PB_DS_CLASS_C_DEC \`
144			`ranged_hash_fn<Key,Hash_Fn, _Alloc, Comb_Hash_Fn, true>`
145
146			`/**`
147			`* Specialization 2`
148			`* The client supplies a hash function and a ranged hash function,`
149			`* and requests that hash values be stored.`
150			`**/`
151			`template<typename Key, typename Hash_Fn, typename _Alloc,`
152			`typename Comb_Hash_Fn>`
153			`class ranged_hash_fn<Key, Hash_Fn, _Alloc, Comb_Hash_Fn, true>`
154			`: public Hash_Fn, public Comb_Hash_Fn`
155			`{`
156			`protected:`
157			`typedef typename _Alloc::size_type size_type;`
158			`typedef std::pair<size_type, size_type> comp_hash;`
159			`typedef Hash_Fn hash_fn_base;`
160			`typedef Comb_Hash_Fn comb_hash_fn_base;`
161			`typedef typename _Alloc::template rebind<Key>::other key_allocator;`
162			`typedef typename key_allocator::const_reference key_const_reference;`
163
164			`ranged_hash_fn(size_type);`
165
166			`ranged_hash_fn(size_type, const Hash_Fn&);`
167
168			`ranged_hash_fn(size_type, const Hash_Fn&, const Comb_Hash_Fn&);`
169
170			`void`
171			`swap(PB_DS_CLASS_C_DEC&);`
172
173			`void`
174			`notify_resized(size_type);`
175
176			`inline comp_hash`
177			`operator()(key_const_reference) const;`
178
179			`inline comp_hash`
180			`operator()(key_const_reference, size_type) const;`
181			`};`
182
183			`PB_DS_CLASS_T_DEC`
184			`PB_DS_CLASS_C_DEC::`
185			`ranged_hash_fn(size_type size)`
186			`{ Comb_Hash_Fn::notify_resized(size); }`
187
188			`PB_DS_CLASS_T_DEC`
189			`PB_DS_CLASS_C_DEC::`
190			`ranged_hash_fn(size_type size, const Hash_Fn& r_hash_fn) :`
191			`Hash_Fn(r_hash_fn)`
192			`{ Comb_Hash_Fn::notify_resized(size); }`
193
194			`PB_DS_CLASS_T_DEC`
195			`PB_DS_CLASS_C_DEC::`
196			`ranged_hash_fn(size_type size, const Hash_Fn& r_hash_fn,`
197			`const Comb_Hash_Fn& r_comb_hash_fn)`
198			`: Hash_Fn(r_hash_fn), Comb_Hash_Fn(r_comb_hash_fn)`
199			`{ comb_hash_fn_base::notify_resized(size); }`
200
201			`PB_DS_CLASS_T_DEC`
202			`void`
203			`PB_DS_CLASS_C_DEC::`
204			`swap(PB_DS_CLASS_C_DEC& other)`
205			`{`
206			`comb_hash_fn_base::swap(other);`
207			`std::swap((Hash_Fn& )(*this), (Hash_Fn& )other);`
208			`}`
209
210			`PB_DS_CLASS_T_DEC`
211			`void`
212			`PB_DS_CLASS_C_DEC::`
213			`notify_resized(size_type size)`
214			`{ comb_hash_fn_base::notify_resized(size); }`
215
216			`PB_DS_CLASS_T_DEC`
217			`inline typename PB_DS_CLASS_C_DEC::comp_hash`
218			`PB_DS_CLASS_C_DEC::`
219			`operator()(key_const_reference r_key) const`
220			`{`
221			`const size_type hash = hash_fn_base::operator()(r_key);`
222			`return std::make_pair(comb_hash_fn_base::operator()(hash), hash);`
223			`}`
224
225			`PB_DS_CLASS_T_DEC`
226			`inline typename PB_DS_CLASS_C_DEC::comp_hash`
227			`PB_DS_CLASS_C_DEC::`
228			`operator()`
229			`#ifdef _GLIBCXX_DEBUG`
230			`(key_const_reference r_key, size_type hash) const`
231			`#else`
232			`(key_const_reference /r_key/, size_type hash) const`
233			`#endif`
234			`{`
235			`_GLIBCXX_DEBUG_ASSERT(hash == hash_fn_base::operator()(r_key));`
236			`return std::make_pair(comb_hash_fn_base::operator()(hash), hash);`
237			`}`
238
239			`#undef PB_DS_CLASS_T_DEC`
240			`#undef PB_DS_CLASS_C_DEC`
241
242			`#define PB_DS_CLASS_T_DEC \`
243			`template<typename Key, typename _Alloc, typename Comb_Hash_Fn>`
244
245			`#define PB_DS_CLASS_C_DEC \`
246			`ranged_hash_fn<Key, null_type, _Alloc, Comb_Hash_Fn, false>`
247
248			`/**`
249			`* Specialization 3`
250			`* The client does not supply a hash function (by specifying`
251			`* null_type as the Hash_Fn parameter), and requests that hash`
252			`* values not be stored.`
253			`**/`
254			`template<typename Key, typename _Alloc, typename Comb_Hash_Fn>`
255			`class ranged_hash_fn<Key, null_type, _Alloc, Comb_Hash_Fn, false>`
256			`: public Comb_Hash_Fn`
257			`{`
258			`protected:`
259			`typedef typename _Alloc::size_type size_type;`
260			`typedef Comb_Hash_Fn comb_hash_fn_base;`
261
262			`ranged_hash_fn(size_type);`
263
264			`ranged_hash_fn(size_type, const Comb_Hash_Fn&);`
265
266			`ranged_hash_fn(size_type, const null_type&, const Comb_Hash_Fn&);`
267
268			`void`
269			`swap(PB_DS_CLASS_C_DEC&);`
270			`};`
271
272			`PB_DS_CLASS_T_DEC`
273			`PB_DS_CLASS_C_DEC::`
274			`ranged_hash_fn(size_type size)`
275			`{ Comb_Hash_Fn::notify_resized(size); }`
276
277			`PB_DS_CLASS_T_DEC`
278			`PB_DS_CLASS_C_DEC::`
279			`ranged_hash_fn(size_type size, const Comb_Hash_Fn& r_comb_hash_fn) :`
280			`Comb_Hash_Fn(r_comb_hash_fn)`
281			`{ }`
282
283			`PB_DS_CLASS_T_DEC`
284			`PB_DS_CLASS_C_DEC::`
285			`ranged_hash_fn(size_type size, const null_type& r_null_type,`
286			`const Comb_Hash_Fn& r_comb_hash_fn)`
287			`: Comb_Hash_Fn(r_comb_hash_fn)`
288			`{ }`
289
290			`PB_DS_CLASS_T_DEC`
291			`void`
292			`PB_DS_CLASS_C_DEC::`
293			`swap(PB_DS_CLASS_C_DEC& other)`
294			`{ comb_hash_fn_base::swap(other); }`
295
296			`#undef PB_DS_CLASS_T_DEC`
297			`#undef PB_DS_CLASS_C_DEC`
298
299			`#define PB_DS_CLASS_T_DEC \`
300			`template<typename Key, typename _Alloc, typename Comb_Hash_Fn>`
301
302			`#define PB_DS_CLASS_C_DEC \`
303			`ranged_hash_fn<Key, null_type, _Alloc, Comb_Hash_Fn, true>`
304
305			`/**`
306			`* Specialization 4`
307			`* The client does not supply a hash function (by specifying`
308			`* null_type as the Hash_Fn parameter), and requests that hash`
309			`* values be stored.`
310			`**/`
311			`template<typename Key, typename _Alloc, typename Comb_Hash_Fn>`
312			`class ranged_hash_fn<Key, null_type, _Alloc, Comb_Hash_Fn, true>`
313			`: public Comb_Hash_Fn`
314			`{`
315			`protected:`
316			`typedef typename _Alloc::size_type size_type;`
317			`typedef Comb_Hash_Fn comb_hash_fn_base;`
318
319			`ranged_hash_fn(size_type);`
320
321			`ranged_hash_fn(size_type, const Comb_Hash_Fn&);`
322
323			`ranged_hash_fn(size_type, const null_type&, const Comb_Hash_Fn&);`
324
325			`void`
326			`swap(PB_DS_CLASS_C_DEC&);`
327			`};`
328
329			`PB_DS_CLASS_T_DEC`
330			`PB_DS_CLASS_C_DEC::`
331			`ranged_hash_fn(size_type size)`
332			`{ Comb_Hash_Fn::notify_resized(size); }`
333
334			`PB_DS_CLASS_T_DEC`
335			`PB_DS_CLASS_C_DEC::`
336			`ranged_hash_fn(size_type size, const Comb_Hash_Fn& r_comb_hash_fn)`
337			`: Comb_Hash_Fn(r_comb_hash_fn)`
338			`{ }`
339
340			`PB_DS_CLASS_T_DEC`
341			`PB_DS_CLASS_C_DEC::`
342			`ranged_hash_fn(size_type size, const null_type& r_null_type,`
343			`const Comb_Hash_Fn& r_comb_hash_fn)`
344			`: Comb_Hash_Fn(r_comb_hash_fn)`
345			`{ }`
346
347			`PB_DS_CLASS_T_DEC`
348			`void`
349			`PB_DS_CLASS_C_DEC::`
350			`swap(PB_DS_CLASS_C_DEC& other)`
351			`{ comb_hash_fn_base::swap(other); }`
352
353			`#undef PB_DS_CLASS_T_DEC`
354			`#undef PB_DS_CLASS_C_DEC`
355
356			`} // namespace detail`
357			`} // namespace __gnu_pbds`
358
359			`#endif`