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authorChris Dyer <redpony@gmail.com>2009-12-14 20:35:11 -0500
committerChris Dyer <redpony@gmail.com>2009-12-14 20:35:11 -0500
commit851e389dffdd6996ea32d70defb8906de80b9edc (patch)
tree8c68ee77205badc056b8ab5b332e67e3e98017df /decoder/ff_lm.h
parentdc6930c00b4b276883280cff1ed6dcd9ddef03c7 (diff)
few small fixes of alignment tools, add new orthographic similarity feature for word aligner, final naming of directories, libraries in cdec
Diffstat (limited to 'decoder/ff_lm.h')
-rw-r--r--decoder/ff_lm.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/decoder/ff_lm.h b/decoder/ff_lm.h
new file mode 100644
index 00000000..cd717360
--- /dev/null
+++ b/decoder/ff_lm.h
@@ -0,0 +1,32 @@
+#ifndef _LM_FF_H_
+#define _LM_FF_H_
+
+#include <vector>
+#include <string>
+
+#include "hg.h"
+#include "ff.h"
+
+class LanguageModelImpl;
+
+class LanguageModel : public FeatureFunction {
+ public:
+ // param = "filename.lm [-o n]"
+ LanguageModel(const std::string& param);
+ ~LanguageModel();
+ virtual void FinalTraversalFeatures(const void* context,
+ SparseVector<double>* features) const;
+ std::string DebugStateToString(const void* state) const;
+ protected:
+ virtual void TraversalFeaturesImpl(const SentenceMetadata& smeta,
+ const Hypergraph::Edge& edge,
+ const std::vector<const void*>& ant_contexts,
+ SparseVector<double>* features,
+ SparseVector<double>* estimated_features,
+ void* out_context) const;
+ private:
+ const int fid_;
+ mutable LanguageModelImpl* pimpl_;
+};
+
+#endif