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 _GAUSSIANMATCHSTRINGKERNEL_H___ 00012 #define _GAUSSIANMATCHSTRINGKERNEL_H___ 00013 00014 #include "lib/common.h" 00015 #include "kernel/StringKernel.h" 00016 00017 namespace shogun 00018 { 00034 class CGaussianMatchStringKernel: public CStringKernel<char> 00035 { 00036 public: 00042 CGaussianMatchStringKernel(int32_t size, float64_t width); 00043 00050 CGaussianMatchStringKernel( 00051 CStringFeatures<char>* l, CStringFeatures<char>* r, 00052 float64_t width); 00053 00054 virtual ~CGaussianMatchStringKernel(); 00055 00062 virtual bool init(CFeatures* l, CFeatures* r); 00063 00065 virtual void cleanup(); 00066 00071 virtual EKernelType get_kernel_type() 00072 { 00073 return K_GAUSSIANMATCH; 00074 } 00075 00080 virtual const char* get_name() const { return "GaussianMatchString"; } 00081 00082 protected: 00091 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00092 00093 protected: 00095 float64_t width; 00096 }; 00097 } 00098 #endif /* _GAUSSIANMATCHSTRINGKERNEL_H___ */