libstdc++
cc_hash_table_map_/info_fn_imps.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2014 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 cc_hash_table_map_/info_fn_imps.hpp
38  * Contains implementations of cc_ht_map_'s entire container info related
39  * functions.
40  */
41 
42 PB_DS_CLASS_T_DEC
43 inline typename PB_DS_CLASS_C_DEC::size_type
45 size() const
46 { return m_num_used_e; }
47 
48 PB_DS_CLASS_T_DEC
49 inline typename PB_DS_CLASS_C_DEC::size_type
50 PB_DS_CLASS_C_DEC::
51 max_size() const
52 { return m_entry_allocator.max_size(); }
53 
54 PB_DS_CLASS_T_DEC
55 inline bool
56 PB_DS_CLASS_C_DEC::
57 empty() const
58 { return (size() == 0); }
59 
60 PB_DS_CLASS_T_DEC
61 template<typename Other_HT_Map_Type>
62 bool
63 PB_DS_CLASS_C_DEC::
64 operator==(const Other_HT_Map_Type& other) const
65 { return cmp_with_other(other); }
66 
67 PB_DS_CLASS_T_DEC
68 template<typename Other_Map_Type>
69 bool
70 PB_DS_CLASS_C_DEC::
71 cmp_with_other(const Other_Map_Type& other) const
72 {
73  if (size() != other.size())
74  return false;
75 
76  for (typename Other_Map_Type::const_iterator it = other.begin();
77  it != other.end(); ++it)
78  {
79  key_const_reference r_key =(key_const_reference)PB_DS_V2F(*it);
80  mapped_const_pointer p_mapped_value =
81  const_cast<PB_DS_CLASS_C_DEC& >(*this).
82  find_key_pointer(r_key, traits_base::m_store_extra_indicator);
83 
84  if (p_mapped_value == 0)
85  return false;
86 
87 #ifdef PB_DS_DATA_TRUE_INDICATOR
88  if (p_mapped_value->second != it->second)
89  return false;
90 #endif
91  }
92  return true;
93 }
94 
95 PB_DS_CLASS_T_DEC
96 template<typename Other_HT_Map_Type>
97 bool
98 PB_DS_CLASS_C_DEC::
99 operator!=(const Other_HT_Map_Type& other) const
100 { return !operator==(other); }
constexpr size_t size() const noexcept
Returns the total number of bits.
Definition: bitset:1293