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AttenuatedEuclideanDistance.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 Miguel Angel Bautista
8  * Copyright (C) 2011 Berlin Institute of Technology and Max Planck Society
9  */
10 
11 #ifndef _ATTENUATEDEuclideanDISTANCE_H__
12 #define _ATTENUATEDEuclideanDISTANCE_H__
13 
14 #include <shogun/lib/common.h>
17 
18 namespace shogun
19 {
39 {
40  public:
43 
51 
58  virtual bool init(CFeatures* l, CFeatures* r);
59 
61  virtual void cleanup();
62 
68 
73  virtual EFeatureType get_feature_type() { return F_DREAL; }
74 
79  virtual const char* get_name() const { return "AttenuatedEuclideanDistance"; }
80 
86  virtual bool get_disable_sqrt() { return disable_sqrt; };
87 
93  virtual void set_disable_sqrt(bool state) { disable_sqrt=state; };
94 
95  protected:
99  virtual float64_t compute(int32_t idx_a, int32_t idx_b);
100 
101  private:
102  void init();
103 
104  protected:
107 };
108 
109 } // namespace shogun
110 #endif /* _ATTENUATEDEuclideanDISTANCE_H__ */

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