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 _POLYKERNEL_H___ 00012 #define _POLYKERNEL_H___ 00013 00014 #include "lib/common.h" 00015 #include "kernel/SimpleKernel.h" 00016 #include "features/RealFeatures.h" 00017 00028 class CPolyKernel: public CSimpleKernel<float64_t> 00029 { 00030 public: 00039 CPolyKernel(CRealFeatures* l, CRealFeatures* r, 00040 int32_t d, bool inhom, int32_t size=10); 00041 00048 CPolyKernel(int32_t size, int32_t degree, bool inhomogene=true); 00049 00050 virtual ~CPolyKernel(); 00051 00058 virtual bool init(CFeatures* l, CFeatures* r); 00059 00061 virtual void cleanup(); 00062 00068 virtual bool load_init(FILE* src); 00069 00075 virtual bool save_init(FILE* dest); 00076 00081 virtual EKernelType get_kernel_type() { return K_POLY; } 00082 00087 virtual const char* get_name() { return "Poly"; }; 00088 00089 protected: 00098 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00099 00100 protected: 00102 int32_t degree; 00104 bool inhomogene; 00105 }; 00106 00107 #endif /* _POLYKERNEL_H__ */