From 16d0e2a34df3e32e8992aeda3ad2de7a6e525f14 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Sat, 28 Jul 2012 18:35:11 -0400
Subject: slight improvement to the way NTs are handled in the FST-CFG
 composition algorithm, new rescoring mode

---
 decoder/hg.h | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

(limited to 'decoder/hg.h')

diff --git a/decoder/hg.h b/decoder/hg.h
index 91d25f01..591e98ce 100644
--- a/decoder/hg.h
+++ b/decoder/hg.h
@@ -148,7 +148,7 @@ public:
     void show(std::ostream &o,unsigned mask=SPAN|RULE) const {
       o<<'{';
       if (mask&CATEGORY)
-        o<<TD::Convert(rule_->GetLHS());
+        o<< '[' << TD::Convert(-rule_->GetLHS()) << ']';
       if (mask&PREV_SPAN)
         o<<'<'<<prev_i_<<','<<prev_j_<<'>';
       if (mask&SPAN)
@@ -156,9 +156,9 @@ public:
       if (mask&PROB)
         o<<" p="<<edge_prob_;
       if (mask&FEATURES)
-        o<<" "<<feature_values_;
+        o<<' '<<feature_values_;
       if (mask&RULE)
-        o<<rule_->AsString(mask&RULE_LHS);
+        o<<' '<<rule_->AsString(mask&RULE_LHS);
       if (USE_INFO_EDGE) {
         std::string const& i=info();
         if (mask&&!i.empty()) o << " |||"<<i; // remember, the initial space is expected as part of i
@@ -384,14 +384,6 @@ public:
   // compute the total number of paths in the forest
   double NumberOfPaths() const;
 
-  // BEWARE. this assumes that the source and target language
-  // strings are identical and that there are no loops.
-  // It assumes a bunch of other things about where the
-  // epsilons will be.  It tries to assert failure if you
-  // break these assumptions, but it may not.
-  // TODO - make this work
-  void EpsilonRemove(WordID eps);
-
   // multiple the weights vector by the edge feature vector
   // (inner product) to set the edge probabilities
   template <class V>
@@ -535,9 +527,6 @@ public:
 
 private:
   Hypergraph(int num_nodes, int num_edges, bool is_lc) : is_linear_chain_(is_lc), nodes_(num_nodes), edges_(num_edges),edges_topo_(true) {}
-
-  static TRulePtr kEPSRule;
-  static TRulePtr kUnaryRule;
 };
 
 
-- 
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