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GaussianShiftKernel.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) 2008 Gunnar Raetsch
8  * Copyright (C) 2008-2009 Fraunhofer Institute FIRST and Max-Planck-Society
9  */
10 
11 #ifndef _GAUSSIANSHIFTKERNEL_H___
12 #define _GAUSSIANSHIFTKERNEL_H___
13 
14 #include <shogun/lib/config.h>
15 
16 #include <shogun/lib/common.h>
19 
20 namespace shogun
21 {
41 {
42  public:
45 
54  int32_t size, float64_t width, int32_t max_shift,
55  int32_t shift_step);
56 
68  float64_t width, int32_t max_shift, int32_t shift_step,
69  int32_t size=10);
70 
77  virtual bool init(CFeatures* l, CFeatures* r)
78  {
79  return CGaussianKernel::init(l,r);
80  }
81 
82  virtual ~CGaussianShiftKernel();
83 
89 
94  virtual const char* get_name() const { return "GaussianShiftKernel"; }
95 
96  protected:
105  virtual float64_t compute(int32_t idx_a, int32_t idx_b);
106 
107  private:
108  void init();
109 
110  protected:
112  int32_t max_shift;
114  int32_t shift_step;
115 };
116 }
117 #endif /* _GAUSSIANSHIFTKERNEL_H__ */

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