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 _GAUSSIANSHORTREALKERNEL_H___ 00012 #define _GAUSSIANSHORTREALKERNEL_H___ 00013 00014 #include "lib/common.h" 00015 #include "kernel/DotKernel.h" 00016 #include "features/SimpleFeatures.h" 00017 00018 namespace shogun 00019 { 00031 class CGaussianShortRealKernel: public CDotKernel 00032 { 00033 public: 00035 CGaussianShortRealKernel(void); 00036 00042 CGaussianShortRealKernel(int32_t size, float64_t width); 00043 00051 CGaussianShortRealKernel(CSimpleFeatures<float32_t>* l, CSimpleFeatures<float32_t>* r, 00052 float64_t width, int32_t size=10); 00053 00054 virtual ~CGaussianShortRealKernel(); 00055 00062 virtual bool init(CFeatures* l, CFeatures* r); 00063 00068 virtual EKernelType get_kernel_type() { return K_GAUSSIAN; } 00069 00074 virtual const char* get_name() const { return "GaussianShortReal"; } 00075 00076 protected: 00085 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00086 00087 protected: 00089 float64_t width; 00090 }; 00091 } 00092 #endif /* _GAUSSIANSHORTREALKERNEL_H__ */
