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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 binomial_heap_.hpp
44 * Contains an implementation class for a binomial heap.
45 */
46
47/*
48 * Binomial heap.
49 * Vuillemin J is the mastah.
50 * Modified from CLRS.
51 */
52
53#ifdef PB_DS_BINOMIAL_HEAP_DEBUG_
54#include <cassert>
55#endif // #ifdef PB_DS_BINOMIAL_HEAP_DEBUG_
56#include <ext/pb_ds/detail/cond_dealtor.hpp>
57#include <ext/pb_ds/detail/type_utils.hpp>
58#include <ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp>
59
60namespace pb_ds
61{
62 namespace detail
63 {
64
65#ifdef PB_DS_BINOMIAL_HEAP_DEBUG_
66#define PB_DS_DBG_ASSERT(X) assert(X)
67#define PB_DS_DBG_VERIFY(X) assert(X)
68#define PB_DS_DBG_ONLY(X) X
69#else // #ifdef PB_DS_BINOMIAL_HEAP_DEBUG_
70#define PB_DS_DBG_ASSERT(X)
71#define PB_DS_DBG_VERIFY(X) {if((X)==0);}
72#define PB_DS_DBG_ONLY(X) ;
73#endif // #ifdef PB_DS_BINOMIAL_HEAP_DEBUG_
74
75#define PB_DS_CLASS_T_DEC \
76 template<typename Value_Type, class Cmp_Fn, class Allocator>
77
78#define PB_DS_CLASS_C_DEC \
79 binomial_heap_< \
80 Value_Type, \
81 Cmp_Fn, \
82 Allocator>
83
84#define PB_DS_BASE_C_DEC \
85 binomial_heap_base_< \
86 Value_Type, \
87 Cmp_Fn, \
88 Allocator>
89
90 /**
91 * class description = "8y|\|0|\/|i41 h34p 74813">
92 **/
93 template<typename Value_Type, class Cmp_Fn, class Allocator>
94 class binomial_heap_ : public PB_DS_BASE_C_DEC
95 {
96
97 private:
98 typedef PB_DS_BASE_C_DEC base_type;
99
100 typedef typename base_type::node_pointer node_pointer;
101
102 typedef typename base_type::const_node_pointer const_node_pointer;
103
104 public:
105
106 typedef typename Allocator::size_type size_type;
107
108 typedef typename Allocator::difference_type difference_type;
109
110 typedef Value_Type value_type;
111
112 typedef typename base_type::pointer pointer;
113
114 typedef typename base_type::const_pointer const_pointer;
115
116 typedef typename base_type::reference reference;
117
118 typedef typename base_type::const_reference const_reference;
119
120 typedef typename base_type::const_point_iterator const_point_iterator;
121
122 typedef typename base_type::point_iterator point_iterator;
123
124 typedef typename base_type::const_iterator const_iterator;
125
126 typedef typename base_type::iterator iterator;
127
128 typedef typename base_type::cmp_fn cmp_fn;
129
130 typedef typename base_type::allocator allocator;
131
132 public:
133
134 binomial_heap_();
135
136 binomial_heap_(const Cmp_Fn& r_cmp_fn);
137
138 binomial_heap_(const PB_DS_CLASS_C_DEC& other);
139
140 ~binomial_heap_();
141
142 protected:
143#ifdef PB_DS_BINOMIAL_HEAP_DEBUG_
144
145 void
146 assert_valid() const;
147
148#endif // #ifdef PB_DS_BINOMIAL_HEAP_DEBUG_
149 };
150
151#include <ext/pb_ds/detail/binomial_heap_/constructors_destructor_fn_imps.hpp>
152#include <ext/pb_ds/detail/binomial_heap_/debug_fn_imps.hpp>
153
154#undef PB_DS_CLASS_C_DEC
155
156#undef PB_DS_CLASS_T_DEC
157
158#undef PB_DS_BASE_C_DEC
159
160#undef PB_DS_DBG_ASSERT
161#undef PB_DS_DBG_VERIFY
162#undef PB_DS_DBG_ONLY
163
164 } // namespace detail
165} // namespace pb_ds