From b6925f42fb7518fa1a201fe20596f8d4036a3b80 Mon Sep 17 00:00:00 2001
From: Chris Dyer <redpony@gmail.com>
Date: Tue, 1 Apr 2014 21:24:11 -0400
Subject: check for empty hg
---
decoder/tree2string_translator.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'decoder')
diff --git a/decoder/tree2string_translator.cc b/decoder/tree2string_translator.cc
index 6966ccf8..6f65658e 100644
--- a/decoder/tree2string_translator.cc
+++ b/decoder/tree2string_translator.cc
@@ -214,7 +214,7 @@ struct Tree2StringTranslatorImpl {
// the following takes care of them
vector<bool> prune(hg.edges_.size(), false);
hg.PruneEdges(prune, true);
-
+ if (hg.edges_.size() == 0) return false;
//hg.PrintGraphviz();
minus_lm_forest->swap(hg);
return true;
--
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