OpenFPM_pdata  4.1.0
Project that contain the implementation of distributed structures
ids.hpp
1 /*
2  * ids.hpp
3  *
4  * Created on: Mar 1, 2016
5  * Author: i-bird
6  */
7 
8 #ifndef SRC_GRAPH_IDS_HPP_
9 #define SRC_GRAPH_IDS_HPP_
10 
18 struct rid
19 {
21  idx_t id;
22 
28  rid(size_t id)
29  :id(id)
30  {}
31 
33  rid()
34  :id(0)
35  {}
36 
44  inline bool operator<=(const rid & r) const
45  {
46  return id <= r.id;
47  }
48 
56  inline bool operator<(const rid & r) const
57  {
58  return id < r.id;
59  }
60 
68  inline rid operator-(int i) const
69  {
70  struct rid tmp;
71  tmp.id = id - i;
72  return tmp;
73  }
74 
82  inline rid operator-(struct rid i) const
83  {
84  struct rid tmp;
85  tmp.id = id - i.id;
86  return tmp;
87  }
88 
96  inline rid operator+(int i) const
97  {
98  struct rid tmp;
99  tmp.id = id + i;
100  return tmp;
101  }
102 
110  inline rid & operator+=(const rid & i)
111  {
112  id += i.id;
113  return *this;
114  }
115 
121  inline rid & operator++()
122  {
123  id++;
124 
125  return *this;
126  }
127 
135  inline bool operator==(const rid & r) const
136  {
137  return id == r.id;
138  }
139 };
140 
148 struct gid
149 {
150  size_t id;
151 
153  gid(){};
154 
156  gid(size_t id)
157  :id(id)
158  {}
159 };
160 
168 struct lid
169 {
170  size_t id;
171 };
172 
173 // define hash map for gid rid and lid
174 
175 namespace std
176 {
177  template <>
178  struct hash<rid>
179  {
180  inline std::size_t operator()(const rid& k) const
181  {
182  return k.id;
183  }
184  };
185 
186  template <>
187  struct hash<gid>
188  {
189  inline std::size_t operator()(const gid& k) const
190  {
191  return k.id;
192  }
193  };
194 
195  template <>
196  struct hash<lid>
197  {
198  inline std::size_t operator()(const lid& k) const
199  {
200  return k.id;
201  }
202  };
203 
204 }
205 
206 
207 #endif /* SRC_GRAPH_IDS_HPP_ */
rid operator-(int i) const
Subtract two gid.
Definition: ids.hpp:68
rid(size_t id)
Cosntructor from id.
Definition: ids.hpp:28
rid & operator+=(const rid &i)
Sum two gid.
Definition: ids.hpp:110
bool operator==(const rid &r) const
compare two ids
Definition: ids.hpp:135
rid operator-(struct rid i) const
Subtract two gid.
Definition: ids.hpp:82
bool operator<=(const rid &r) const
Compare two gid.
Definition: ids.hpp:44
gid(size_t id)
Constructor.
Definition: ids.hpp:156
rid & operator++()
Increment the id.
Definition: ids.hpp:121
rid()
Constructor.
Definition: ids.hpp:33
Definition: ids.hpp:168
idx_t id
id
Definition: ids.hpp:21
Definition: ids.hpp:18
rid operator+(int i) const
Sum two gid.
Definition: ids.hpp:96
gid()
Constructor.
Definition: ids.hpp:153
Definition: ids.hpp:148
bool operator<(const rid &r) const
Compare two gid.
Definition: ids.hpp:56