SHOGUN  4.2.0
RationalQuadraticKernel.h
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1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Written (W) 2011 RafaĆ Surowiecki
8  * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
9  */
10
11 #include <shogun/lib/config.h>
12
13 #ifndef RATIONAL_QUADRATIC_KERNEL_H_
14 #define RATIONAL_QUADRATIC_KERNEL_H_
15
16 #include <shogun/lib/common.h>
17 #include <shogun/kernel/Kernel.h>
19
20 namespace shogun
21 {
22
23 class CDistance;
24
36 {
37 public:
40
46  CRationalQuadraticKernel(int32_t cache, float64_t coef, CDistance* dist);
47
55
61  virtual bool init(CFeatures* l, CFeatures* r);
62
67
72
77
81  virtual const char* get_name() const { return "RationalQuadraticKernel"; }
82
86  virtual const float64_t get_coef() const { return m_coef; }
87
91  inline void set_coef(float64_t coef) { m_coef=coef; }
92
93  virtual ~CRationalQuadraticKernel();
94 protected:
102  virtual float64_t compute(int32_t idx_a, int32_t idx_b);
103
104 private:
106  void init();
107
108 protected:
111
114 };
115 }
116
117 #endif /* RATIONAL_QUADRATIC_KERNEL_H_ */
virtual EFeatureClass get_feature_class()=0
EKernelType
Definition: Kernel.h:57
Class Distance, a base class for all the distances used in the Shogun toolbox.
Definition: Distance.h:87
EFeatureClass
shogun feature class
Definition: FeatureTypes.h:38
virtual bool init(CFeatures *l, CFeatures *r)
CDistance * m_distance
distance to be used
float64_t m_coef
coefficient parameter of kernel
double float64_t
Definition: common.h:50
EFeatureType
shogun feature type
Definition: FeatureTypes.h:19
virtual const char * get_name() const
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:18
The class Features is the base class of all feature objects.
Definition: Features.h:68
virtual EFeatureType get_feature_type()=0
virtual float64_t compute(int32_t idx_a, int32_t idx_b)
virtual const float64_t get_coef() const
The Kernel base class.
Definition: Kernel.h:159
virtual EFeatureClass get_feature_class()

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