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ConstKernel.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) 1999-2009 Soeren Sonnenburg
8  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
9  */
10 
11 #ifndef _CONSTKERNEL_H___
12 #define _CONSTKERNEL_H___
13 
15 #include <shogun/lib/common.h>
16 #include <shogun/kernel/Kernel.h>
18 
19 namespace shogun
20 {
27 class CConstKernel: public CKernel
28 {
29  public:
31  CConstKernel();
32 
38 
46 
47  virtual ~CConstKernel();
48 
55  virtual bool init(CFeatures* l, CFeatures* r);
56 
61  inline virtual EKernelType get_kernel_type() { return K_CONST; }
62 
67  inline virtual EFeatureType get_feature_type()
68  {
69  return F_ANY;
70  }
71 
77  {
78  return C_ANY;
79  }
80 
85  virtual const char* get_name() const { return "ConstKernel"; }
86 
87  protected:
94  inline virtual float64_t compute(int32_t row, int32_t col)
95  {
96  return const_value;
97  }
98 
99  private:
100  void init();
101 
102  protected:
105 };
106 }
107 #endif /* _CONSTKERNEL_H__ */

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