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TStudentKernel.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 Andrew Tereskin
8  * Copyright (C) 2011 Berlin Institute of Technology and Max-Planck-Society
9  */
10 
11 #include <shogun/lib/config.h>
12 
13 #ifndef TSTUDENTKERNEL_H_
14 #define TSTUDENTKERNEL_H_
15 
16 #include <shogun/lib/common.h>
17 #include <shogun/kernel/Kernel.h>
19 
20 namespace shogun
21 {
22 
23 class CDistance;
24 
35 class CTStudentKernel: public CKernel
36 {
37 public:
40 
46  CTStudentKernel(int32_t cache, float64_t d, CDistance* dist);
47 
55 
56  virtual ~CTStudentKernel();
57 
63  virtual bool init(CFeatures* l, CFeatures* r);
64 
68  virtual EKernelType get_kernel_type() { return K_TSTUDENT; }
69 
74 
79 
83  virtual const char* get_name() const { return "TStudentKernel"; }
84 
88  inline float64_t get_degree() { return this->degree; }
89 
93  inline void set_degree(float64_t value) { this->degree = value; }
94 
95 private:
96  void init();
97 
98 protected:
99 
102 
105 
113  virtual float64_t compute(int32_t idx_a, int32_t idx_b);
114 };
115 }
116 
117 #endif /* TSTUDENTKERNEL_H_ */

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