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comparison louvain/main_convert.cpp @ 8:3bc73f5dc785 draft

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author petrn
date Fri, 20 Dec 2019 14:17:59 +0000
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7:c56807be3b72 8:3bc73f5dc785
1 // File: main_convert.cpp
2 // -- conversion of a graph from ascii to binary, sample main file
3 //-----------------------------------------------------------------------------
4 // Community detection
5 // Based on the article "Fast unfolding of community hierarchies in large networks"
6 // Copyright (C) 2008 V. Blondel, J.-L. Guillaume, R. Lambiotte, E. Lefebvre
7 //
8 // This program must not be distributed without agreement of the above mentionned authors.
9 //-----------------------------------------------------------------------------
10 // Author : E. Lefebvre, adapted by J.-L. Guillaume
11 // Email : jean-loup.guillaume@lip6.fr
12 // Location : Paris, France
13 // Time : February 2008
14 //-----------------------------------------------------------------------------
15 // see readme.txt for more details
16
17 #include "graph.h"
18
19 using namespace std;
20
21 char *infile = NULL;
22 char *outfile = NULL;
23 char *outfile_w = NULL;
24 int type = UNWEIGHTED;
25 bool do_renumber = false;
26
27 void
28 usage(char *prog_name, const char *more) {
29 cerr << more;
30 cerr << "usage: " << prog_name << " -i input_file -o outfile [-r] [-w outfile_weight]" << endl << endl;
31 cerr << "read the graph and convert it to binary format." << endl;
32 cerr << "-r\tnodes are renumbered from 0 to nb_nodes-1 (the order is kept)." << endl;
33 cerr << "-w filename\tread the graph as a weighted one and writes the weights in a separate file." << endl;
34 cerr << "-h\tshow this usage message." << endl;
35 exit(0);
36 }
37
38 void
39 parse_args(int argc, char **argv) {
40 for (int i = 1; i < argc; i++) {
41 if(argv[i][0] == '-') {
42 switch(argv[i][1]) {
43 case 'i':
44 if (i==argc-1)
45 usage(argv[0], "Infile missing\n");
46 infile = argv[i+1];
47 i++;
48 break;
49 case 'o':
50 if (i==argc-1)
51 usage(argv[0], "Outfile missing\n");
52 outfile = argv[i+1];
53 i++;
54 break;
55 case 'w' :
56 type = WEIGHTED;
57 outfile_w = argv[i+1];
58 i++;
59 break;
60 case 'r' :
61 do_renumber=true;
62 break;
63 default:
64 usage(argv[0], "Unknown option\n");
65 }
66 } else {
67 usage(argv[0], "More than one filename\n");
68 }
69 }
70 if (infile==NULL || outfile==NULL)
71 usage(argv[0], "In or outfile missing\n");
72 }
73
74 int
75 main(int argc, char **argv) {
76 parse_args(argc, argv);
77
78 Graph g(infile, type);
79
80 g.clean(type);
81
82 if (do_renumber)
83 g.renumber(type);
84
85 g.display_binary(outfile, outfile_w, type);
86
87 }