IdentityKernelNormalizer.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) 2008-2009 Soeren Sonnenburg
00008  * Copyright (C) 2008-2009 Fraunhofer Institute FIRST and Max-Planck-Society
00009  */
00010 
00011 #ifndef _IDENTITYKERNELNORMALIZER_H___
00012 #define _IDENTITYKERNELNORMALIZER_H___
00013 
00014 #include <shogun/kernel/KernelNormalizer.h>
00015 
00016 namespace shogun
00017 {
00019 class CIdentityKernelNormalizer : public CKernelNormalizer
00020 {
00021     public:
00023         CIdentityKernelNormalizer() : CKernelNormalizer()
00024         {
00025         }
00026 
00028         virtual ~CIdentityKernelNormalizer()
00029         {
00030         }
00031 
00034         virtual bool init(CKernel* k)
00035         {
00036             return true;
00037         }
00038 
00044         inline virtual float64_t normalize(
00045                 float64_t value, int32_t idx_lhs, int32_t idx_rhs)
00046         {
00047             return value;
00048         }
00049 
00054         inline virtual float64_t normalize_lhs(float64_t value, int32_t idx_lhs)
00055         {
00056             return value;
00057         }
00058 
00063         inline virtual float64_t normalize_rhs(float64_t value, int32_t idx_rhs)
00064         {
00065             return value;
00066         }
00067 
00069         inline virtual const char* get_name() const { return "IdentityKernelNormalizer"; }
00070 };
00071 }
00072 #endif
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