From b732e625ffcf59da8440db577183110488f5c4b7 Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Fri, 29 Jul 2011 00:48:04 +0200
Subject: first cut for sofia-ml, little change in utils/dict.h, coarse
 refactoring

---
 dtrain/dtest.cc | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 dtrain/dtest.cc

(limited to 'dtrain/dtest.cc')

diff --git a/dtrain/dtest.cc b/dtrain/dtest.cc
new file mode 100644
index 00000000..9975794f
--- /dev/null
+++ b/dtrain/dtest.cc
@@ -0,0 +1,95 @@
+#include "dcommon.h"
+
+
+
+
+/*
+ * init
+ *
+ */
+bool
+init(int argc, char** argv, po::variables_map* conf)
+{
+  int N;
+  po::options_description opts( "Options" );
+  opts.add_options()
+    ( "decoder-config,c", po::value<string>(),                  "configuration file for cdec" )
+    ( "weights,w",        po::value<string>(),                  "weights file")
+    ( "ngrams,n",         po::value<int>(&N)->default_value(4), "N for Ngrams (default 5)" );
+  po::options_description cmdline_options;
+  cmdline_options.add(opts);
+  po::store( parse_command_line(argc, argv, cmdline_options), *conf );
+  po::notify( *conf );
+  if ( ! (conf->count("decoder-config") || conf->count("weights")) ) {
+    cerr << cmdline_options << endl;
+    return false;
+  }
+  return true;
+}
+
+
+/*
+ * main
+ *
+ */
+int
+main(int argc, char** argv)
+{
+  SetSilent(true);
+  po::variables_map conf;
+  if (!init(argc, argv, &conf)) return 1;
+  register_feature_functions();
+  size_t k = 1;
+  ReadFile ini_rf(conf["decoder-config"].as<string>());
+  Decoder decoder(ini_rf.stream());
+  KBestGetter observer(k);
+  size_t N = conf["ngrams"].as<int>();
+
+  Weights weights;
+  weights.InitFromFile(conf["weights"].as<string>());
+  vector<double> w;
+  weights.InitVector(&w);
+  decoder.SetWeights(w);
+ 
+  vector<string> strs, ref_strs;
+  vector<WordID> ref_ids;
+  string in, psg;
+  size_t sid = 0;
+  double overall = 0.0;
+  cerr << "(1 dot equals 100 lines of input)" << endl;
+  while( getline(cin, in) ) {
+    if ( (sid+1) % 100 == 0 ) {
+        cerr << ".";
+        if ( (sid+1)%1000 == 0 ) cerr << endl;
+    }
+    if ( sid > 5000 ) break;
+    strs.clear();
+    boost::split( strs, in, boost::is_any_of("\t") );
+    // grammar
+    psg = boost::replace_all_copy( strs[2], " __NEXT_RULE__ ", "\n" ); psg += "\n";
+    decoder.SetSentenceGrammar( psg );
+    decoder.Decode( strs[0], &observer );
+    KBestList* kb = observer.GetKBest();
+    // reference
+    ref_strs.clear(); ref_ids.clear();
+    boost::split( ref_strs, strs[1], boost::is_any_of(" ") );
+    register_and_convert( ref_strs, ref_ids );
+    // scoring kbest
+    double score = 0;
+    Scores scores;
+    NgramCounts counts = make_ngram_counts( ref_ids, kb->sents[0], 4 );
+    score = smooth_bleu( counts,
+                         ref_ids.size(),
+                         kb->sents[0].size(), N );
+    ScorePair sp( kb->scores[0], score );
+    scores.push_back( sp );
+    //cout << TD::GetString( kb->sents[0] ) << endl;
+    overall += score;
+    sid += 1;
+  }
+  cout << "Average score: " << overall/(sid+1) << endl;
+  cerr << endl;
+
+  return 0;
+}
+
-- 
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