annotate Meerwald/cmp_frid2_sig.c @ 22:d8551fb39a5e default tip

Added tag v0.6 for changeset 1c4ccd635a68
author Peter Meerwald-Stadler <pmeerw@pmeerw.net>
date Sat, 28 Jan 2023 23:57:51 +0100
parents 4987db85cfae
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
1 #include "wm.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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2 #include "signature.h"
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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3
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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4 char *progname;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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5
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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6 void usage(void) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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7 fprintf(stderr, "usage: %s [-h] [-C] [-o file] [-v n] -s file file\n\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
8 fprintf(stderr, "\t-C\t\toutput correlation only\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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9 fprintf(stderr, "\t-h\t\tprint usage\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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10 fprintf(stderr, "\t-o file\t\toutput file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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11 fprintf(stderr, "\t-s file\t\toriginal signature file\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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12 fprintf(stderr, "\t-v n\t\tverbosity level\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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13 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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14 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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15
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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16 int main(int argc, char *argv[]) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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17
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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18 FILE *in = stdin;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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19 FILE *out = stdout;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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20 FILE *sig = NULL;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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21
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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22 char signature_name[MAXPATHLEN];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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23 char output_name[MAXPATHLEN] = "(stdout)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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24 char input_name[MAXPATHLEN] = "(stdin)";
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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25
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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26 int correlation_only = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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27
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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28 int c, i;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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29 int corr1 = 0, match1 = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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30 int corr2 = 0, match2 = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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31 int verbose = 0;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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32
8
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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33 char line[1024];
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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34
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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35 progname = argv[0];
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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36
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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37 while ((c = getopt(argc, argv, "h?Co:s:v:")) != EOF) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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38 switch (c) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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39 case 'h':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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40 case '?':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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41 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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42 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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43 case 'C':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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44 correlation_only = 1;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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45 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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46 case 'o':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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47 if ((out = fopen(optarg, "w")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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48 fprintf(stderr, "%s: unable to open output file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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49 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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50 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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51 strcpy(output_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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52 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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53 case 's':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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54 if ((sig = fopen(optarg, "r")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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55 fprintf(stderr, "%s: unable to open signature file %s\n", progname, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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56 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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57 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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58 strcpy(signature_name, optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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59 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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60 case 'v':
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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61 verbose = atoi(optarg);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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62 if (verbose < 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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63 fprintf(stderr, "%s: verbosity level %d out of range\n", progname, verbose);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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64 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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65 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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66 break;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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67 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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68 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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69
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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70 argc -= optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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71 argv += optind;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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72
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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73 if (argc > 1) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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74 usage();
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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75 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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76 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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77
8
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
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78 if (argc == 1 && *argv[0] != '-') {
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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79 if ((in = fopen(argv[0], "r")) == NULL) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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80 fprintf(stderr, "%s: unable to open input file %s\n", progname, argv[0]);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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81 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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82 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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83 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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84 strcpy(input_name, argv[0]);
8
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
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85 }
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
86
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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87 if (sig) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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88 fgets(line, sizeof(line), sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
89 if (strspn(line, "FR2SG") >= 5) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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90 fscanf(sig, "%d\n", &nbit_signature);
16
4987db85cfae fix another scanf() warning
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 8
diff changeset
91 fscanf(sig, "%*f\n");
4987db85cfae fix another scanf() warning
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 8
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92 fscanf(sig, "%*f\n");
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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93 fscanf(sig, "%*d\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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94 n_signature = NBITSTOBYTES(nbit_signature);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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95 fread(signature, sizeof(char), n_signature, sig);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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96 fscanf(sig, "\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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97 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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98 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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99 fprintf(stderr, "%s: invalid signature file %s\n", progname, signature_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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100 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
101 }
8
f83ef905a63d fixing many warnings
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents: 0
diff changeset
102 fclose(sig);
0
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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103 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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104 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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105 fprintf(stderr, "%s: original signature file not specified, use -s file option\n", progname);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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106 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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107 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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108
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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109 fgets(line, sizeof(line), in);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
110 if (strspn(line, "FR2WM") >= 5) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
111 fscanf(in, "%d\n", &nbit_signature1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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112 n_signature1 = NBITSTOBYTES(nbit_signature1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
113 fread(signature1, sizeof(char), n_signature1, in);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
114 // fscanf(in, "\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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115 fscanf(in, "%d\n", &nbit_signature2);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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116 n_signature2 = NBITSTOBYTES(nbit_signature2);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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117 fread(signature2, sizeof(char), n_signature2, in);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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118 fscanf(in, "\n");
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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119 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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120 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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121 fprintf(stderr, "%s: invalid watermark file %s\n", progname, input_name);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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122 exit(1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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123 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
124
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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125 if (verbose > 0) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
126 fprintf(stderr, "signature length: %d\n", nbit_signature);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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127 fprintf(stderr, "watermark length (low. freq.): %d\n", nbit_signature1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
128 fprintf(stderr, "watermark length (med. freq.): %d\n", nbit_signature2);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
129 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
130
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
131 for (i = 0; i < nbit_signature; i++) {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
132 if (get_signature_bit(i) == get_signature1_bit(i))
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
133 corr1++, match1++;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
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134 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
135 corr1--;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
136 if (get_signature_bit(i) == get_signature2_bit(i))
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
137 corr2++, match2++;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
138 else
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
139 corr2--;
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
140 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
141
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
142 if (correlation_only)
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
143 fprintf(out, "%lf\n", (double) (corr1 + corr2) / (nbit_signature1 + nbit_signature2));
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
144 else {
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
145 fprintf(out, "bit matches (low freq.): %d/%d\n", match1, nbit_signature1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
146 fprintf(out, "correlation (low. freq.): %lf\n", (double) corr1 / nbit_signature1);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
147 fprintf(out, "bit matches (med. freq.): %d/%d\n", match2, nbit_signature2);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
148 fprintf(out, "correlation (med. freq.): %lf\n", (double) corr2 / nbit_signature2);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
149 fprintf(out, "total correlation: %lf\n", (double) (corr1 + corr2) / (nbit_signature1 + nbit_signature2));
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
150 }
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
151
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
152 exit(0);
Peter Meerwald <pmeerw@cosy.sbg.ac.at>
parents:
diff changeset
153 }

Repositories maintained by Peter Meerwald, pmeerw@pmeerw.net.