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 _SIMPLEDISTANCE_H___ 00012 #define _SIMPLEDISTANCE_H___ 00013 00014 #include <shogun/distance/Distance.h> 00015 #include <shogun/features/SimpleFeatures.h> 00016 #include <shogun/io/SGIO.h> 00017 00018 namespace shogun 00019 { 00021 template <class ST> class CSimpleDistance : public CDistance 00022 { 00023 public: 00025 CSimpleDistance() : CDistance() {} 00026 00033 virtual bool init(CFeatures* l, CFeatures* r) 00034 { 00035 CDistance::init(l,r); 00036 00037 ASSERT(l->get_feature_class()==C_SIMPLE); 00038 ASSERT(r->get_feature_class()==C_SIMPLE); 00039 ASSERT(l->get_feature_type()==this->get_feature_type()); 00040 ASSERT(r->get_feature_type()==this->get_feature_type()); 00041 00042 00043 if ( ((CSimpleFeatures<ST>*) l)->get_num_features() != ((CSimpleFeatures<ST>*) r)->get_num_features() ) 00044 { 00045 SG_ERROR( "train or test features #dimension mismatch (l:%d vs. r:%d)\n", 00046 ((CSimpleFeatures<ST>*) l)->get_num_features(),((CSimpleFeatures<ST>*) r)->get_num_features()); 00047 } 00048 00049 return true; 00050 } 00051 00056 inline virtual EFeatureClass get_feature_class() { return C_SIMPLE; } 00057 00062 inline virtual EFeatureType get_feature_type(); 00063 00069 virtual const char* get_name(void) const { 00070 return "SimpleDistance"; } 00071 00076 virtual void cleanup()=0; 00077 00084 virtual EDistanceType get_distance_type()=0; 00085 }; 00086 00091 template<> inline EFeatureType CSimpleDistance<float64_t>::get_feature_type() { return F_DREAL; } 00092 00097 template<> inline EFeatureType CSimpleDistance<uint64_t>::get_feature_type() { return F_ULONG; } 00098 00103 template<> inline EFeatureType CSimpleDistance<int32_t>::get_feature_type() { return F_INT; } 00104 00109 template<> inline EFeatureType CSimpleDistance<uint16_t>::get_feature_type() { return F_WORD; } 00110 00115 template<> inline EFeatureType CSimpleDistance<int16_t>::get_feature_type() { return F_SHORT; } 00116 00121 template<> inline EFeatureType CSimpleDistance<uint8_t>::get_feature_type() { return F_BYTE; } 00122 00127 template<> inline EFeatureType CSimpleDistance<char>::get_feature_type() { return F_CHAR; } 00128 00129 } // namespace shogun 00130 #endif