allow specification of default weights

Author: phikoehn

scripts/training/train-model.perl

@@ -36,7 +36,7 @@
    $_ALT_DIRECT_RULE_SCORE_1, $_ALT_DIRECT_RULE_SCORE_2, $_UNKNOWN_WORD_SOFT_MATCHES_FILE,
    $_OMIT_WORD_ALIGNMENT,$_FORCE_FACTORED_FILENAMES,
    $_MEMSCORE, $_FINAL_ALIGNMENT_MODEL,
-   $_CONTINUE,$_MAX_LEXICAL_REORDERING,$_DO_STEPS,
+   $_CONTINUE,$_MAX_LEXICAL_REORDERING,$_LEXICAL_REORDERING_DEFAULT_SCORES,$_DO_STEPS,
    @_ADDITIONAL_INI,$_ADDITIONAL_INI_FILE,$_MMSAPT,
    @_BASELINE_ALIGNMENT_MODEL, $_BASELINE_EXTRACT, $_BASELINE_ALIGNMENT,
    $_DICTIONARY, $_SPARSE_PHRASE_FEATURES, $_EPPEX, $_INSTANCE_WEIGHTS_FILE, $_LMODEL_OOV_FEATURE, $_NUM_LATTICE_FEATURES, $IGNORE, $_FLEXIBILITY_SCORE, $_EXTRACT_COMMAND);
@@ -131,6 +131,7 @@
 		       'transliteration-phrase-table=s' => \$_TRANSLITERATION_PHRASE_TABLE,		
 		       'mmsapt=s' => \$_MMSAPT,
 		       'max-lexical-reordering' => \$_MAX_LEXICAL_REORDERING,
+		       'lexical-reordering-default-scores=s' => \$_LEXICAL_REORDERING_DEFAULT_SCORES,
 		       'do-steps=s' => \$_DO_STEPS,
 		       'memscore:s' => \$_MEMSCORE,
 		       'force-factored-filenames' => \$_FORCE_FACTORED_FILENAMES,
@@ -2050,7 +2051,7 @@ sub create_ini {
 	    $table_file .= ".";
 	    $table_file .= $model->{"filename"};
 	    $table_file .= ".gz";
-            $feature_spec .= "LexicalReordering name=LexicalReordering$i num-features=".$model->{"numfeatures"}." type=".$model->{"config"}." input-factor=$input_factor output-factor=$output_factor path=$table_file\n"; 
+            $feature_spec .= "LexicalReordering name=LexicalReordering$i num-features=".$model->{"numfeatures"}." type=".$model->{"config"}." input-factor=$input_factor output-factor=$output_factor path=$table_file".(defined($_LEXICAL_REORDERING_DEFAULT_SCORES)?" default-scores=$_LEXICAL_REORDERING_DEFAULT_SCORES":"")."\n"; 
             $weight_spec .= "LexicalReordering$i=";
             for(my $j=0;$j<$model->{"numfeatures"};$j++) { $weight_spec .= " 0.3"; }
             $weight_spec .= "\n";