ScaleAP/main.cpp at main · LazyShion/ScaleAP · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
/*
 * Scalable Affinity Propagation (ScaleAP)
 * Last update: June 22, 2020
 * Author: Hiroaki Shiokawa
 */
#include <stdlib.h>
#include <math.h>
#include <string>
#include <iostream>
#include <fstream>
#include <sstream>
#include <vector>
#include <algorithm>
#include <ctime>
#include <cstring>
#include <cassert>

#include "data.hpp"
#include "scaleap.hpp"
#include "util.hpp"

using namespace std;

char *simfile = NULL;
float lambda = 0.5;
unsigned int max_itr = 1000;
unsigned int stop_condition = 1000;
bool display = false;
bool result = false;
char *logfile = NULL;
double pref = 0.5;

void
usage(char *prog_name, const string more, bool help){
  if(!help){
    cerr << "[Error] " << more << endl;
  }else{
    cerr << "[Info] " << more << endl;
  }
  cerr << "[Usage] " << prog_name << " -i <sim_file_name> [-l <lambda>] [-t <max_itr>] [-p <preference>] [-L <log_file_name>] [-D] [-R] [-H]" << endl;
  // Display help
  if(help){
    cerr << "\t-i <sim_file_name>: Set the output file name." << endl;
    cerr << "\t-l <lambda>: Set dumping factor." << endl;
    cerr << "\t-t <max_itr>: Set a maximum number of iterations." << endl;
    cerr << "\t-p <preference>: Set a preference value." << endl;
    cerr << "\t-D: Display statistics." << endl;
    cerr << "\t-R: Display clusteering results" << endl;
    cerr << "\t-H: Display help menu." << endl;
    cerr << "" << endl;
  }
  cerr << endl;
  exit(0);
}

void
check_args(int pos, int argc, char *prog_name, string more){
  if(pos >= argc){
    usage(prog_name, more, false);
  }
}

void
parse_args(int argc, char **argv) {
  if(argc <= 1){
    usage(argv[0], "Arguments are missing.", true);
  }

  for(int i = 1; i < argc; i++){
    if(argv[i][0] == '-'){
      switch(argv[i][1]){
      case 'i':
	check_args(i+1, argc, argv[0], "Invalid arguments at "+string(argv[i]));
	simfile = argv[i+1];
	i+=1;
	break;
      case 'l':
	check_args(i+1, argc, argv[0], "Invalid arguments at "+string(argv[i]));
	lambda = atof(argv[i+1]);
	i+=1;
	break;
      case 't':
	check_args(i+1, argc, argv[0], "Invalid arguments at "+string(argv[i]));
	max_itr = atoi(argv[i+1]);
	i+=1;
	break;
      case 's':
	check_args(i+1, argc, argv[0], "Invalid arguments at "+string(argv[i]));
	stop_condition = atoi(argv[i+1]);
	i+=1;
	break;
      case 'p':
	check_args(i+1, argc, argv[0], "Invalid arguments at "+string(argv[i]));
	pref = atof(argv[i+1]);
	i+=1;
	break;
      case 'D':
	display = true;
	break;
      case 'R':
	result = true;
	break;
      case 'H':
	usage(argv[0], "Help menu", true);
	break;
      default:
	usage(argv[0], "Unknown option", false);
      }
    }
  }

  if(simfile == NULL){
    usage(argv[0], "<sim_file_name> is missing.", false);
  }

}


int
main(int argc, char **argv){
  parse_args(argc, argv);
  // -----------------------------------------------------------------------------------
  // Main procedures
  // -----------------------------------------------------------------------------------
  Data data(simfile, pref);
  ScaleAP scaleap(&data, lambda, max_itr, stop_condition);

  Chrono_t start_time = get_time(); // start time
  scaleap.run();
  Chrono_t end_time = get_time(); // end time

  // -----------------------------------------------------------------------------------
  // Execute option commands
  // -----------------------------------------------------------------------------------
  // Display statistics
  if(display){
    cout << "# of data objects: " << data.get_N() << endl;
    cout << "Time duration (sec): " << get_time_sec(&start_time, &end_time) << endl << endl;
  }

  if(result){
    unsigned int N = data.get_N();
    cout << "Object\tCluster" << endl;
    for(unsigned int i=0; i<N; ++i){
      cout << i << "\t" << scaleap.get_examplar(i) << endl;
    }
  }

}