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 _FIXEDDEGREESTRINGKERNEL_H___ 00012 #define _FIXEDDEGREESTRINGKERNEL_H___ 00013 00014 #include <shogun/lib/common.h> 00015 #include <shogun/kernel/string/StringKernel.h> 00016 00017 namespace shogun 00018 { 00031 class CFixedDegreeStringKernel: public CStringKernel<char> 00032 { 00033 void init(); 00034 00035 public: 00037 CFixedDegreeStringKernel(); 00038 00044 CFixedDegreeStringKernel(int32_t size, int32_t degree); 00045 00052 CFixedDegreeStringKernel( 00053 CStringFeatures<char>* l, CStringFeatures<char>* r, 00054 int32_t degree); 00055 00056 virtual ~CFixedDegreeStringKernel(); 00057 00064 virtual bool init(CFeatures* l, CFeatures* r); 00065 00067 virtual void cleanup(); 00068 00073 virtual EKernelType get_kernel_type() 00074 { 00075 return K_FIXEDDEGREE; 00076 } 00077 00082 virtual const char* get_name() const{ return "FixedDegreeStringKernel"; } 00083 00084 protected: 00093 float64_t compute(int32_t idx_a, int32_t idx_b); 00095 int32_t degree; 00096 }; 00097 } 00098 #endif /* _FIXEDDEGREESTRINGKERNEL_H___ */