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-rw-r--r--decoder/ff.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/decoder/ff.cc b/decoder/ff.cc
index 95bd9665..7186d776 100644
--- a/decoder/ff.cc
+++ b/decoder/ff.cc
@@ -59,7 +59,7 @@ void SourceWordPenalty::TraversalFeaturesImpl(const SentenceMetadata& smeta,
features->set_value(fid_, edge.rule_->FWords() * value_);
}
-ArityPenalty::ArityPenalty(const std::string& param) :
+ArityPenalty::ArityPenalty(const std::string& /* param */) :
value_(-1.0 / log(10)) {
string fname = "Arity_X";
for (int i = 0; i < 10; ++i) {