From 88c224217307f40f5361150f5bd2e8b68f51b17b Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Tue, 1 Mar 2011 22:34:04 -0500
Subject: handle start-of-sentence correctly

---
 decoder/ff_klm.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/decoder/ff_klm.cc b/decoder/ff_klm.cc
index f262229b..9ba2cbaa 100644
--- a/decoder/ff_klm.cc
+++ b/decoder/ff_klm.cc
@@ -84,6 +84,7 @@ class KLanguageModelImpl {
           if (cur_word == kSOS_) {
             if (state.ValidLength() > 0) { p = -100; }
             state = ngram_->BeginSentenceState();
+            context_complete = true;
           } else {
             const lm::ngram::State scopy(state);
             p = ngram_->Score(scopy, cur_word, state);
@@ -111,6 +112,7 @@ class KLanguageModelImpl {
         if (cur_word == kSOS_) {
           if (state.ValidLength() > 0) p = -100;
           state = ngram_->BeginSentenceState();
+          context_complete = true;
         } else {
           const lm::ngram::State scopy(state);
           p = ngram_->Score(scopy, cur_word, state);
-- 
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