GraphChi 0.1

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graphchi_types.hpp
1
2 /*
3 Copyright [2012] [Aapo Kyrola, Guy Blelloch, Carlos Guestrin / Carnegie Mellon University]
4
5 Licensed under the Apache License, Version 2.0 (the "License");
6 you may not use this file except in compliance with the License.
7 You may obtain a copy of the License at
8
9 http://www.apache.org/licenses/LICENSE-2.0
10
11 Unless required by applicable law or agreed to in writing, software
12 distributed under the License is distributed on an "AS IS" BASIS,
13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 See the License for the specific language governing permissions and
15 limitations under the License.
16 */
17
18 #ifndef DEF_GRAPHCHI_TYPES
19 #define DEF_GRAPHCHI_TYPES
20
21
22 #include <stdint.h>
23
24 namespace graphchi {
25
26 typedef uint32_t vid_t;
27
28
33 template <typename ET>
34 struct PairContainer {
35 ET left;
36 ET right;
37
38 PairContainer() {
39 left = ET();
40 right = ET();
41 }
42
43 ET & oldval(int iter) {
44 return (iter % 2 == 0 ? left : right);
45 }
46
47 void set_newval(int iter, ET x) {
48 if (iter % 2 == 0) {
49 right = x;
50 } else {
51 left = x;
52 }
53 }
54 };
55
56 }
57
58
59 #endif
60
61
62