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) 1999-2008 Soeren Sonnenburg
00008  * Copyright (C) 1999-2008 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 
00021 template <class ST> class CSimpleKernel : public CKernel
00022 {
00023     public:
00028         CSimpleKernel(int32_t cachesize) : CKernel(cachesize) {}
00029 
00035         CSimpleKernel(CFeatures* l, CFeatures* r) : CKernel(10)
00036         {
00037             init(l, r);
00038         }
00039 
00050         virtual bool init(CFeatures* l, CFeatures* r)
00051         {
00052             CKernel::init(l,r);
00053 
00054             ASSERT(l->get_feature_class()==C_SIMPLE);
00055             ASSERT(r->get_feature_class()==C_SIMPLE);
00056             ASSERT(l->get_feature_type()==this->get_feature_type());
00057             ASSERT(r->get_feature_type()==this->get_feature_type());
00058 
00059             if ( ((CSimpleFeatures<ST>*) l)->get_num_features() != ((CSimpleFeatures<ST>*) r)->get_num_features() )
00060             {  
00061                 SG_ERROR( "train or test features #dimension mismatch (l:%d vs. r:%d)\n",
00062                         ((CSimpleFeatures<ST>*) l)->get_num_features(),((CSimpleFeatures<ST>*) r)->get_num_features());
00063             }
00064             return true;
00065         }
00066 
00071         inline virtual EFeatureClass get_feature_class() { return C_SIMPLE; }
00072 
00077         inline virtual EFeatureType get_feature_type();
00078 };
00079 
00080 
00081 template<> inline EFeatureType CSimpleKernel<float64_t>::get_feature_type() { return F_DREAL; }
00082 
00083 template<> inline EFeatureType CSimpleKernel<float32_t>::get_feature_type() { return F_SHORTREAL; }
00084 
00085 template<> inline EFeatureType CSimpleKernel<uint64_t>::get_feature_type() { return F_ULONG; }
00086 
00087 template<> inline EFeatureType CSimpleKernel<int32_t>::get_feature_type() { return F_INT; }
00088 
00089 template<> inline EFeatureType CSimpleKernel<uint16_t>::get_feature_type() { return F_WORD; }
00090 
00091 template<> inline EFeatureType CSimpleKernel<int16_t>::get_feature_type() { return F_SHORT; }
00092 
00093 template<> inline EFeatureType CSimpleKernel<uint8_t>::get_feature_type() { return F_BYTE; }
00094 
00095 template<> inline EFeatureType CSimpleKernel<char>::get_feature_type() { return F_CHAR; }
00096 
00097 
00098 #endif /* _SIMPLEKERNEL_H__ */

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