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 _POLYMATCHWORDSTRINGKERNEL_H___ 00012 #define _POLYMATCHWORDSTRINGKERNEL_H___ 00013 00014 #include "lib/common.h" 00015 #include "kernel/StringKernel.h" 00016 #include "features/StringFeatures.h" 00017 00018 namespace shogun 00019 { 00038 class CPolyMatchWordStringKernel: public CStringKernel<uint16_t> 00039 { 00040 public: 00047 CPolyMatchWordStringKernel(int32_t size, int32_t degree, bool inhomogene); 00048 00056 CPolyMatchWordStringKernel(CStringFeatures<uint16_t>* l, CStringFeatures<uint16_t>* r, int32_t degree, bool inhomogene); 00057 00058 virtual ~CPolyMatchWordStringKernel(); 00059 00066 virtual bool init(CFeatures* l, CFeatures* r); 00067 00069 virtual void cleanup(); 00070 00075 virtual EKernelType get_kernel_type() { return K_POLYMATCH; } 00076 00081 virtual const char* get_name() const { return "PolyMatchWordString"; } 00082 00083 protected: 00092 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00093 00094 protected: 00096 int32_t degree; 00098 bool inhomogene; 00099 }; 00100 } 00101 #endif /* _POLYMATCHWORDSTRINGKERNEL_H__ */