00001 /* 00002 * This program is free software; you can redistribute it and/or modify 00003 * it under the terms of the GNU General Public License as published by 00004 * the Free Software Foundation; either version 3 of the License, or 00005 * (at your option) any later version. 00006 * 00007 * Written (W) 1999-2009 Soeren Sonnenburg 00008 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society 00009 */ 00010 00011 #ifndef _MATCHWORDSTRINGKERNEL_H___ 00012 #define _MATCHWORDSTRINGKERNEL_H___ 00013 00014 #include "lib/common.h" 00015 #include "kernel/StringKernel.h" 00016 #include "features/StringFeatures.h" 00017 00018 namespace shogun 00019 { 00037 class CMatchWordStringKernel: public CStringKernel<uint16_t> 00038 { 00039 public: 00045 CMatchWordStringKernel(int32_t size, int32_t d); 00046 00053 CMatchWordStringKernel(CStringFeatures<uint16_t>* l, CStringFeatures<uint16_t>* r, int32_t degree); 00054 00055 virtual ~CMatchWordStringKernel(); 00056 00063 virtual bool init(CFeatures* l, CFeatures* r); 00064 00069 virtual EKernelType get_kernel_type() { return K_MATCHWORD; } 00070 00075 virtual const char* get_name() const { return "MatchWordString"; } 00076 00077 protected: 00086 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00087 00088 protected: 00090 int32_t degree; 00091 }; 00092 } 00093 #endif /* _MATCHWORDSTRINGKERNEL_H__ */