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authorChris Dyer <redpony@gmail.com>2014-04-01 21:24:11 -0400
committerChris Dyer <redpony@gmail.com>2014-04-01 21:24:11 -0400
commit22075d6875e913e3f076fa609bf018256a612bb5 (patch)
tree752e8830ead8649fdcb2f00cb234c78f91b3aa70
parentd75c78040cb49e69e4702a2c35e997315a57150b (diff)
check for empty hg
-rw-r--r--decoder/tree2string_translator.cc2
1 files changed, 1 insertions, 1 deletions
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;