From 252fb164c208ec8f3005f8a652eb3b48c0644e3d Mon Sep 17 00:00:00 2001
From: Paul Baltescu <pauldb89@gmail.com>
Date: Fri, 1 Feb 2013 16:11:10 +0000
Subject: Second working commit.

---
 extractor/features/is_source_target_singleton.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 extractor/features/is_source_target_singleton.cc

(limited to 'extractor/features/is_source_target_singleton.cc')

diff --git a/extractor/features/is_source_target_singleton.cc b/extractor/features/is_source_target_singleton.cc
new file mode 100644
index 00000000..ec816509
--- /dev/null
+++ b/extractor/features/is_source_target_singleton.cc
@@ -0,0 +1,11 @@
+#include "is_source_target_singleton.h"
+
+#include <cmath>
+
+double IsSourceTargetSingleton::Score(const FeatureContext& context) const {
+  return context.pair_count == 1;
+}
+
+string IsSourceTargetSingleton::GetName() const {
+  return "IsSingletonEF";
+}
-- 
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