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) 2012 Viktor Gal 00008 * Copyright (C) 2012 Viktor Gal 00009 */ 00010 00011 #ifndef _JENSENSHANNONKERNEL_H___ 00012 #define _JENSENSHANNONKERNEL_H___ 00013 00014 #include <shogun/lib/common.h> 00015 #include <shogun/kernel/DotKernel.h> 00016 #include <shogun/features/DenseFeatures.h> 00017 00018 namespace shogun 00019 { 00028 class CJensenShannonKernel: public CDotKernel 00029 { 00030 public: 00032 CJensenShannonKernel(); 00033 00038 CJensenShannonKernel(int32_t size); 00039 00046 CJensenShannonKernel( 00047 CDenseFeatures<float64_t>* l, CDenseFeatures<float64_t>* r, 00048 int32_t size=10); 00049 00050 virtual ~CJensenShannonKernel(); 00051 00058 virtual bool init(CFeatures* l, CFeatures* r); 00059 00064 virtual EKernelType get_kernel_type() { return K_JENSENSHANNON; } 00065 00070 virtual const char* get_name() const { return "JensenShannonKernel"; } 00071 00072 protected: 00073 00082 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00083 00084 }; 00085 } 00086 #endif /* _JENSENSHANNONKERNEL_H___ */
