LinearByteKernel.h

Go to the documentation of this file.
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 _LINEARBYTEKERNEL_H___
00012 #define _LINEARBYTEKERNEL_H___
00013 
00014 #include "lib/common.h"
00015 #include "kernel/SimpleKernel.h"
00016 #include "features/SimpleFeatures.h"
00017 
00018 namespace shogun
00019 {
00028 class CLinearByteKernel: public CSimpleKernel<uint8_t>
00029 {
00030     public:
00033         CLinearByteKernel();
00034 
00040         CLinearByteKernel(CSimpleFeatures<uint8_t>* l, CSimpleFeatures<uint8_t> *r);
00041 
00042         virtual ~CLinearByteKernel();
00043 
00050         virtual bool init(CFeatures* l, CFeatures* r);
00051 
00053         virtual void cleanup();
00054 
00059         virtual EKernelType get_kernel_type() { return K_LINEAR; }
00060 
00065         virtual const char* get_name() const { return "Linear"; }
00066 
00075         virtual bool init_optimization(
00076             int32_t num_suppvec, int32_t* sv_idx, float64_t* alphas);
00077 
00082         virtual bool delete_optimization();
00083 
00089         virtual float64_t compute_optimized(int32_t idx);
00090 
00092         virtual void clear_normal();
00093 
00099         virtual void add_to_normal(int32_t idx, float64_t weight);
00100 
00101     protected:
00110         virtual float64_t compute(int32_t idx_a, int32_t idx_b);
00111 
00112     protected:
00114         float64_t* normal;
00115 };
00116 }
00117 #endif /* _LINEARBYTEKERNEL_H__ */
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines

SHOGUN Machine Learning Toolbox - Documentation