SimpleKernel.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) 1999-2009 Soeren Sonnenburg
00008  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
00009  */
00010 
00011 #ifndef _SIMPLEKERNEL_H___
00012 #define _SIMPLEKERNEL_H___
00013 
00014 #include "kernel/Kernel.h"
00015 #include "features/SimpleFeatures.h"
00016 #include "lib/io.h"
00017 
00018 namespace shogun
00019 {
00026 template <class ST> class CSimpleKernel : public CKernel
00027 {
00028     public:
00032         CSimpleKernel() : CKernel() {}
00033 
00038         CSimpleKernel(int32_t cachesize) : CKernel(cachesize) {}
00039 
00045         CSimpleKernel(CFeatures* l, CFeatures* r) : CKernel(10)
00046         {
00047             init(l, r);
00048         }
00049 
00060         virtual bool init(CFeatures* l, CFeatures* r)
00061         {
00062             CKernel::init(l,r);
00063 
00064             ASSERT(l->get_feature_class()==C_SIMPLE);
00065             ASSERT(r->get_feature_class()==C_SIMPLE);
00066             ASSERT(l->get_feature_type()==this->get_feature_type());
00067             ASSERT(r->get_feature_type()==this->get_feature_type());
00068 
00069             if ( ((CSimpleFeatures<ST>*) l)->get_num_features() != ((CSimpleFeatures<ST>*) r)->get_num_features() )
00070             {
00071                 SG_ERROR( "train or test features #dimension mismatch (l:%d vs. r:%d)\n",
00072                         ((CSimpleFeatures<ST>*) l)->get_num_features(),((CSimpleFeatures<ST>*) r)->get_num_features());
00073             }
00074             return true;
00075         }
00076 
00081         inline virtual EFeatureClass get_feature_class() { return C_SIMPLE; }
00082 
00087         inline virtual EFeatureType get_feature_type();
00088 
00089 
00090 #ifdef HAVE_BOOST_SERIALIZATION
00091     private:
00092 
00093         friend class ::boost::serialization::access;
00094         template<class Archive>
00095             void serialize(Archive & ar, const unsigned int archive_version)
00096             {
00097 
00098                 SG_DEBUG("archiving CSimpleKernel\n");
00099 
00100                 ar & ::boost::serialization::base_object<CKernel>(*this);
00101 
00102                 SG_DEBUG("done with CSimpleKernel\n");
00103 
00104             }
00105 
00106 #endif //HAVE_BOOST_SERIALIZATION
00107 };
00108 
00109 
00110 template<> inline EFeatureType CSimpleKernel<float64_t>::get_feature_type() { return F_DREAL; }
00111 
00112 template<> inline EFeatureType CSimpleKernel<float32_t>::get_feature_type() { return F_SHORTREAL; }
00113 
00114 template<> inline EFeatureType CSimpleKernel<uint64_t>::get_feature_type() { return F_ULONG; }
00115 
00116 template<> inline EFeatureType CSimpleKernel<int32_t>::get_feature_type() { return F_INT; }
00117 
00118 template<> inline EFeatureType CSimpleKernel<uint16_t>::get_feature_type() { return F_WORD; }
00119 
00120 template<> inline EFeatureType CSimpleKernel<int16_t>::get_feature_type() { return F_SHORT; }
00121 
00122 template<> inline EFeatureType CSimpleKernel<uint8_t>::get_feature_type() { return F_BYTE; }
00123 
00124 template<> inline EFeatureType CSimpleKernel<char>::get_feature_type() { return F_CHAR; }
00125 
00126 }
00127 #endif /* _SIMPLEKERNEL_H__ */

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