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) 1999-2008 Gunnar Raetsch 00008 * Written (W) 1999-2008 Soeren Sonnenburg 00009 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society 00010 */ 00011 00012 #ifndef _LOCALITYIMPROVEDSTRINGKERNEL_H___ 00013 #define _LOCALITYIMPROVEDSTRINGKERNEL_H___ 00014 00015 #include "lib/common.h" 00016 #include "kernel/StringKernel.h" 00017 00028 class CLocalityImprovedStringKernel: public CStringKernel<char> 00029 { 00030 public: 00038 CLocalityImprovedStringKernel(int32_t size, int32_t length, 00039 int32_t inner_degree, int32_t outer_degree); 00040 00049 CLocalityImprovedStringKernel( 00050 CStringFeatures<char>* l, CStringFeatures<char>* r, 00051 int32_t length, int32_t inner_degree, int32_t outer_degree); 00052 00053 virtual ~CLocalityImprovedStringKernel(); 00054 00061 virtual bool init(CFeatures* l, CFeatures* r); 00062 00068 bool load_init(FILE* src); 00069 00075 bool save_init(FILE* dest); 00076 00081 virtual EKernelType get_kernel_type() { return K_LOCALITYIMPROVED; } 00082 00087 virtual const char* get_name() const { return "LocalityImproved"; } 00088 00089 protected: 00098 float64_t compute(int32_t idx_a, int32_t idx_b); 00099 00100 protected: 00102 int32_t length; 00104 int32_t inner_degree; 00106 int32_t outer_degree; 00107 }; 00108 00109 #endif /* _LOCALITYIMPROVEDSTRINGKERNEL_H__ */ 00110