libstdc++
binomial_heap_.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2019 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
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8 // Foundation; either version 3, or (at your option) any later
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16 // Under Section 7 of GPL version 3, you are granted additional
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18 // 3.1, as published by the Free Software Foundation.
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24 
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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35 
36 /**
37  * @file binomial_heap_.hpp
38  * Contains an implementation class for a binomial heap.
39  */
40 
41 /*
42  * Binomial heap.
43  * Vuillemin J is the mastah.
44  * Modified from CLRS.
45  */
46 
47 #include <debug/debug.h>
51 
52 namespace __gnu_pbds
53 {
54  namespace detail
55  {
56 #define PB_DS_CLASS_T_DEC \
57  template<typename Value_Type, typename Cmp_Fn, typename _Alloc>
58 
59 #define PB_DS_CLASS_C_DEC \
60  binomial_heap<Value_Type, Cmp_Fn, _Alloc>
61 
62  /**
63  * Binomial heap.
64  *
65  * @ingroup heap-detail
66  */
67  template<typename Value_Type, typename Cmp_Fn, typename _Alloc>
69  : public binomial_heap_base<Value_Type, Cmp_Fn, _Alloc>
70  {
71  private:
73  typedef typename base_type::node_pointer node_pointer;
74  typedef typename base_type::node_const_pointer node_const_pointer;
75 
76  public:
77  typedef Value_Type value_type;
78  typedef typename _Alloc::size_type size_type;
79  typedef typename _Alloc::difference_type difference_type;
80  typedef typename base_type::pointer pointer;
81  typedef typename base_type::const_pointer const_pointer;
82  typedef typename base_type::reference reference;
83  typedef typename base_type::const_reference const_reference;
87  typedef typename base_type::iterator iterator;
88  typedef typename base_type::cmp_fn cmp_fn;
89  typedef typename base_type::allocator_type allocator_type;
90 
91  binomial_heap();
92 
93  binomial_heap(const Cmp_Fn&);
94 
96 
97  ~binomial_heap();
98 
99  protected:
100 #ifdef _GLIBCXX_DEBUG
101  void
102  assert_valid(const char*, int) const;
103 #endif
104  };
105 
108 
109 #undef PB_DS_CLASS_C_DEC
110 #undef PB_DS_CLASS_T_DEC
111  } // namespace detail
112 } // namespace __gnu_pbds
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