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) 2006-2009 Fraunhofer Institute FIRST and Max-Planck-Society 00009 */ 00010 00011 #ifndef _DENSEDISTANCE_H___ 00012 #define _DENSEDISTANCE_H___ 00013 00014 #include <shogun/distance/Distance.h> 00015 #include <shogun/features/FeatureTypes.h> 00016 #include <shogun/features/DenseFeatures.h> 00017 #include <shogun/io/SGIO.h> 00018 00019 namespace shogun 00020 { 00022 template <class ST> class CDenseDistance : public CDistance 00023 { 00024 public: 00026 CDenseDistance() : CDistance() {} 00027 00034 virtual bool init(CFeatures* l, CFeatures* r) 00035 { 00036 CDistance::init(l,r); 00037 00038 ASSERT(l->get_feature_class()==C_DENSE); 00039 ASSERT(r->get_feature_class()==C_DENSE); 00040 ASSERT(l->get_feature_type()==this->get_feature_type()); 00041 ASSERT(r->get_feature_type()==this->get_feature_type()); 00042 00043 00044 if ( ((CDenseFeatures<ST>*) l)->get_num_features() != ((CDenseFeatures<ST>*) r)->get_num_features() ) 00045 { 00046 SG_ERROR( "train or test features #dimension mismatch (l:%d vs. r:%d)\n", 00047 ((CDenseFeatures<ST>*) l)->get_num_features(),((CDenseFeatures<ST>*) r)->get_num_features()); 00048 } 00049 00050 return true; 00051 } 00052 00057 virtual EFeatureClass get_feature_class() { return C_DENSE; } 00058 00063 virtual EFeatureType get_feature_type(); 00064 00070 virtual const char* get_name() const { 00071 return "DenseDistance"; } 00072 00079 virtual EDistanceType get_distance_type()=0; 00080 }; 00081 } // namespace shogun 00082 #endif