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) 2006-2009 Christian Gehl 00008 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society 00009 */ 00010 00011 #ifndef _JENSENMETRIC_H___ 00012 #define _JENSENMETRIC_H___ 00013 00014 #include <shogun/lib/common.h> 00015 #include <shogun/distance/DenseDistance.h> 00016 00017 namespace shogun 00018 { 00034 class CJensenMetric: public CDenseDistance<float64_t> 00035 { 00036 public: 00038 CJensenMetric(); 00039 00045 CJensenMetric(CDenseFeatures<float64_t>* l, CDenseFeatures<float64_t>* r); 00046 virtual ~CJensenMetric(); 00047 00054 virtual bool init(CFeatures* l, CFeatures* r); 00055 00057 virtual void cleanup(); 00058 00063 virtual EDistanceType get_distance_type() { return D_JENSEN; } 00064 00069 virtual const char* get_name() const { return "JensenMetric"; } 00070 00071 protected: 00075 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00076 }; 00077 } // namespace shogun 00078 00079 #endif /* _JENSENMETRIC_H___ */