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CanberraMetric.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) 2006-2009 Christian Gehl
8  * Copyright (C) 2006-2009 Fraunhofer Institute FIRST
9  */
10 
11 #ifndef _CANBERRAMETRIC_H__
12 #define _CANBERRAMETRIC_H__
13 
14 #include <shogun/lib/config.h>
15 
16 #include <shogun/lib/common.h>
19 
20 namespace shogun
21 {
22  template <class T> class CDenseFeatures;
23 
37 class CCanberraMetric: public CDenseDistance<float64_t>
38 {
39  public:
42 
49  virtual ~CCanberraMetric();
50 
57  virtual bool init(CFeatures* l, CFeatures* r);
58 
60  virtual void cleanup();
61 
67 
72  virtual const char* get_name() const { return "CanberraMetric"; }
73 
74  protected:
78  virtual float64_t compute(int32_t idx_a, int32_t idx_b);
79 };
80 
81 } // namespace shogun
82 #endif /* _CANBERRAMETRIC_H__ */

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