Hi,
Have you added the “HybKen.cpp” after “alias LM” in the Jamfile? I hope this helps. Regards, Christian Hadiwinoto From: [email protected] [mailto:[email protected]] On Behalf Of HOANG Cong Duy Vu Sent: Friday, August 15, 2014 10:44 AM To: [email protected] Subject: [Moses-support] Add a new LM feature in Moses Hi, I would like to add a new simple LM named HybLanguageModelKen (HybKen.h and HybKen.cpp) which will inherit from LanguageModelKen. In Factory.cpp, I added as follows: ... //#include "moses/LM/Ken.h" #include "moses/LM/HybKen.h" ... class KenFactory : public FeatureFactory { public: void Create(const std::string &line) { DefaultSetup(ConstructKenLM(line)); } }; class HybKenFactory : public FeatureFactory { public: void Create(const std::string &line) { DefaultSetup(ConstructHybKenLM(line)); } }; ... Add("KENLM", new KenFactory()); Add("HKENLM", new HybKenFactory()); ... I've created HybKen.h as follows: #ifndef moses_LanguageModelHybKen_h #define moses_LanguageModelHybKen_h //#include <string> //#include <boost/shared_ptr.hpp> //#include "lm/word_index.hh" //#include "moses/LM/Base.h" //#include "moses/Hypothesis.h" //#include "moses/TypeDef.h" //#include "moses/Word.h" #include "moses/LM/Ken.h" namespace Moses { LanguageModel *ConstructHybKenLM(const std::string &line); //! This will also load. Returns a templated KenLM class LanguageModel *ConstructHybKenLM(const std::string &line, const std::string &file, const std::string &fileM, FactorType factorType, bool lazy); void LoadMapping(const std::string &f, std::map<std::string, std::string>& m); /* * An implementation of single factor LM using Kenneth's code. */ template <class Model> class LanguageModelHybKen : public LanguageModelKen<Model> { ... Factory.cpp, HybKen.h and HybKen.cpp are attached for your reference. But I always got the compilation error message: "moses/FF/Factory.cpp:166: error: undefined reference to 'Moses::ConstructHybKenLM(std::string const&)'". I understand that Moses::ConstructHybKenLM(std::string const&) is already defined in Moses namespace. May I ask for your help? Thank you! -- Cheers, Vu
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