From 409165b237b571a8b9e4108639667301b7243147 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Tue, 13 Sep 2011 17:57:32 +0100
Subject: fix for crash with no rescoring

---
 decoder/decoder.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'decoder')

diff --git a/decoder/decoder.cc b/decoder/decoder.cc
index 4d4b6245..45404c47 100644
--- a/decoder/decoder.cc
+++ b/decoder/decoder.cc
@@ -181,7 +181,7 @@ struct DecoderImpl {
   ~DecoderImpl();
   bool Decode(const string& input, DecoderObserver*);
   vector<weight_t>& CurrentWeightVector() {
-    return *rescoring_passes.back().weight_vector;
+    return (rescoring_passes.empty() ? *init_weights : *rescoring_passes.back().weight_vector);
   }
   void SetId(int next_sent_id) { sent_id = next_sent_id - 1; }
 
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