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ManhattanWordDistance.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) 2007-2009 Christian Gehl
8  * Written (W) 1999-2009 Soeren Sonnenburg
9  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
10  */
11 
12 #ifndef _MANHATTANWORDDISTANCE_H___
13 #define _MANHATTANWORDDISTANCE_H___
14 
15 #include <shogun/lib/config.h>
16 
17 #include <shogun/lib/common.h>
21 
22 namespace shogun
23 {
25 class CManhattanWordDistance: public CStringDistance<uint16_t>
26 {
27  public:
30 
37  virtual ~CManhattanWordDistance();
38 
45  virtual bool init(CFeatures* l, CFeatures* r);
46 
48  virtual void cleanup();
49 
55 
60  virtual const char* get_name() const { return "ManhattanWordDistance"; }
61 
62  protected:
66  float64_t compute(int32_t idx_a, int32_t idx_b);
67 };
68 } // namespace shogun
69 #endif /* _MANHATTANWORDDISTANCE_H___ */

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