SHOGUN v0.9.0
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00001 #ifndef _WEIGHTEDDEGREERBFKERNEL_H___ 00002 #define _WEIGHTEDDEGREERBFKERNEL_H___ 00003 00004 #include "lib/common.h" 00005 #include "kernel/DotKernel.h" 00006 #include "features/SimpleFeatures.h" 00007 00008 namespace shogun 00009 { 00010 00011 class CWeightedDegreeRBFKernel: public CDotKernel 00012 { 00013 public: 00017 CWeightedDegreeRBFKernel(); 00018 00026 CWeightedDegreeRBFKernel(int32_t size, float64_t width, int32_t degree, int32_t nof_properties); 00027 00037 CWeightedDegreeRBFKernel(CSimpleFeatures<float64_t>* l, CSimpleFeatures<float64_t>* r, 00038 float64_t width, int32_t degree, int32_t nof_properties, int32_t size=10); 00039 00040 virtual ~CWeightedDegreeRBFKernel(); 00041 00048 virtual bool init(CFeatures* l, CFeatures* r); 00049 00054 //virtual EKernelType get_kernel_type() { return K_UNKNOWN; } 00055 virtual EKernelType get_kernel_type() { return K_WEIGHTEDDEGREERBF; } 00056 00061 inline virtual const char* get_name() const { return "WeightedDegreeRBFKernel"; } 00062 00063 00068 inline virtual EFeatureClass get_feature_class() { return C_SIMPLE; } 00069 00074 virtual EFeatureType get_feature_type() { return F_DREAL; } 00075 00076 00082 inline bool set_degree(int32_t deg) { degree=deg; return true; } 00083 00088 inline int32_t get_degree() { return degree; } 00089 00090 protected: 00099 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00100 00105 bool init_wd_weights(); 00106 00107 protected: 00109 float64_t width; 00110 00112 int32_t degree; 00113 00115 int32_t nof_properties; 00116 00119 float64_t* weights; 00120 00121 }; 00122 } 00123 #endif /* _WEIGHTEDDEGREERBFKERNEL_H__ */