make compatible with FastSparseVector

1 files changed, 2 insertions, 0 deletions

diff --git a/decoder/cdec_ff.cc b/decoder/cdec_ff.cc
index 7ec54a5a..cbcb0fcd 100644
--- a/decoder/cdec_ff.cc
+++ b/decoder/cdec_ff.cc
@@ -1,6 +1,7 @@
 #include <boost/shared_ptr.hpp>
 
 #include "ff.h"
+#include "ff_identity.h"
 #include "ff_spans.h"
 #include "ff_lm.h"
 #include "ff_klm.h"
@@ -70,6 +71,7 @@ void register_feature_functions() {
   ff_registry.Register("LexicalPairIndicator", new FFFactory<LexicalPairIndicator>);
   ff_registry.Register("OutputIndicator", new FFFactory<OutputIndicator>);
   ff_registry.Register("IdentityCycleDetector", new FFFactory<IdentityCycleDetector>);
+  ff_registry.Register("FEIdentity", new FFFactory<FEIdentity>);
   ff_registry.Register("InputIndicator", new FFFactory<InputIndicator>);
   ff_registry.Register("LexicalTranslationTrigger", new FFFactory<LexicalTranslationTrigger>);
   ff_registry.Register("WordPairFeatures", new FFFactory<WordPairFeatures>);