SimpleDistance.h

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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 Christian Gehl
00008  * Copyright (C) 2006-2008 Fraunhofer Institute FIRST and Max-Planck-Society
00009  */
00010 
00011 #ifndef _SIMPLEDISTANCE_H___
00012 #define _SIMPLEDISTANCE_H___
00013 
00014 #include "distance/Distance.h"
00015 #include "features/SimpleFeatures.h"
00016 #include "lib/io.h"
00017 
00019 template <class ST> class CSimpleDistance : public CDistance
00020 {
00021     public:
00023         CSimpleDistance() : CDistance() {}
00024 
00031         virtual bool init(CFeatures* l, CFeatures* r)
00032         {
00033             CDistance::init(l,r);
00034 
00035             ASSERT(l->get_feature_class()==C_SIMPLE);
00036             ASSERT(r->get_feature_class()==C_SIMPLE);
00037             ASSERT(l->get_feature_type()==this->get_feature_type());
00038             ASSERT(r->get_feature_type()==this->get_feature_type());
00039             
00040             
00041             if ( ((CSimpleFeatures<ST>*) l)->get_num_features() != ((CSimpleFeatures<ST>*) r)->get_num_features() )
00042             {  
00043                 SG_ERROR( "train or test features #dimension mismatch (l:%d vs. r:%d)\n",
00044                         ((CSimpleFeatures<ST>*) l)->get_num_features(),((CSimpleFeatures<ST>*) r)->get_num_features());
00045             }
00046         
00047             return true;
00048         }
00049 
00054         inline virtual EFeatureClass get_feature_class() { return C_SIMPLE; }
00055 
00060         inline virtual EFeatureType get_feature_type();
00061 };
00062 
00067 template<> inline EFeatureType CSimpleDistance<float64_t>::get_feature_type() { return F_DREAL; }
00068 
00073 template<> inline EFeatureType CSimpleDistance<uint64_t>::get_feature_type() { return F_ULONG; }
00074 
00079 template<> inline EFeatureType CSimpleDistance<int32_t>::get_feature_type() { return F_INT; }
00080 
00085 template<> inline EFeatureType CSimpleDistance<uint16_t>::get_feature_type() { return F_WORD; }
00086 
00091 template<> inline EFeatureType CSimpleDistance<int16_t>::get_feature_type() { return F_SHORT; }
00092 
00097 template<> inline EFeatureType CSimpleDistance<uint8_t>::get_feature_type() { return F_BYTE; }
00098 
00103 template<> inline EFeatureType CSimpleDistance<char>::get_feature_type() { return F_CHAR; }
00104 
00105 #endif

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