TensorProductPairKernel.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) 2009 Soeren Sonnenburg
00008  * Copyright (C) 2009 Fraunhofer Institute FIRST and Max-Planck-Society
00009  */
00010 
00011 #ifndef _TPPKKERNEL_H___
00012 #define _TPPKKERNEL_H___
00013 
00014 #include "lib/common.h"
00015 #include "kernel/SimpleKernel.h"
00016 #include "features/SimpleFeatures.h"
00017 
00018 namespace shogun
00019 {
00037 class CTensorProductPairKernel: public CSimpleKernel<int32_t>
00038 {
00039     public:
00045         CTensorProductPairKernel(int32_t size, CKernel* subkernel);
00046 
00053         CTensorProductPairKernel(CSimpleFeatures<int32_t> *l, CSimpleFeatures<int32_t> *r, CKernel* subkernel);
00054 
00055         virtual ~CTensorProductPairKernel();
00056 
00063         virtual bool init(CFeatures* l, CFeatures* r);
00064 
00069         virtual EKernelType get_kernel_type() { return K_TPPK; }
00070 
00075         virtual const char* get_name() const { return "TPPK"; }
00076 
00077     protected:
00086         virtual float64_t compute(int32_t idx_a, int32_t idx_b);
00087 
00088     protected:
00090         CKernel* subkernel;
00091 };
00092 }
00093 #endif /* _TPPKKERNEL_H__ */

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