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BrayCurtisDistance.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) 2008-2009 Christian Gehl
8  * Copyright (C) 2008-2009 Fraunhofer Institute FIRST
9  */
10 
11 #ifndef _BRAYCURTISDISTANCE_H___
12 #define _BRAYCURTISDISTANCE_H___
13 
14 #include <shogun/lib/common.h>
17 
18 namespace shogun
19 {
31 class CBrayCurtisDistance: public CSimpleDistance<float64_t>
32 {
33  public:
36 
43  virtual ~CBrayCurtisDistance();
44 
51  virtual bool init(CFeatures* l, CFeatures* r);
52 
54  virtual void cleanup();
55 
61 
66  virtual const char* get_name() const { return "BrayCurtisDistance"; }
67 
68  protected:
72  virtual float64_t compute(int32_t idx_a, int32_t idx_b);
73 };
74 } // namespace shogun
75 #endif /* _BRAYCURTISDISTANCE_H___ */

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