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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/config.h>
15 
16 #include <shogun/lib/common.h>
18 
19 namespace shogun
20 {
32 class CBrayCurtisDistance: public CDenseDistance<float64_t>
33 {
34  public:
37 
44  virtual ~CBrayCurtisDistance();
45 
52  virtual bool init(CFeatures* l, CFeatures* r);
53 
55  virtual void cleanup();
56 
62 
67  virtual const char* get_name() const { return "BrayCurtisDistance"; }
68 
69  protected:
73  virtual float64_t compute(int32_t idx_a, int32_t idx_b);
74 };
75 } // namespace shogun
76 #endif /* _BRAYCURTISDISTANCE_H___ */

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