FixedDegreeStringKernel.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 _FIXEDDEGREESTRINGKERNEL_H___
00012 #define _FIXEDDEGREESTRINGKERNEL_H___
00013 
00014 #include "lib/common.h"
00015 #include "kernel/StringKernel.h"
00016 
00029 class CFixedDegreeStringKernel: public CStringKernel<char>
00030 {
00031     public:
00037         CFixedDegreeStringKernel(int32_t size, int32_t degree);
00038 
00045         CFixedDegreeStringKernel(
00046             CStringFeatures<char>* l, CStringFeatures<char>* r,
00047             int32_t degree);
00048 
00049         virtual ~CFixedDegreeStringKernel();
00050 
00057         virtual bool init(CFeatures* l, CFeatures* r);
00058 
00060         virtual void cleanup();
00061 
00067         bool load_init(FILE* src);
00068 
00074         bool save_init(FILE* dest);
00075 
00080         virtual EKernelType get_kernel_type()
00081         {
00082             return K_FIXEDDEGREE;
00083         }
00084 
00089         virtual const char* get_name() { return "FixedDegree"; }
00090 
00091     protected:
00100         float64_t compute(int32_t idx_a, int32_t idx_b);
00102         int32_t degree;
00103 };
00104 
00105 #endif /* _FIXEDDEGREESTRINGKERNEL_H___ */

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