CanberraWordDistance.h

Go to the documentation of this file.
00001 /*
00002  * This program is free software; you can redistribute it and/or modify
00003  * it under the terms of the GNU General Public License as published by
00004  * the Free Software Foundation; either version 3 of the License, or
00005  * (at your option) any later version.
00006  *
00007  * Written (W) 2007-2009 Christian Gehl
00008  * Written (W) 1999-2009 Soeren Sonnenburg
00009  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
00010  */
00011 
00012 #ifndef _CANBERRAWORDDISTANCE_H___
00013 #define _CANBERRAWORDDISTANCE_H___
00014 
00015 #include <shogun/lib/common.h>
00016 #include <shogun/features/Features.h>
00017 #include <shogun/features/StringFeatures.h>
00018 #include <shogun/distance/StringDistance.h>
00019 
00020 namespace shogun
00021 {
00023 class CCanberraWordDistance: public CStringDistance<uint16_t>
00024 {
00025     public:
00027         CCanberraWordDistance();
00028 
00034         CCanberraWordDistance(CStringFeatures<uint16_t>* l, CStringFeatures<uint16_t>* r);
00035         virtual ~CCanberraWordDistance();
00036 
00043         virtual bool init(CFeatures* l, CFeatures* r);
00044 
00046         virtual void cleanup();
00047 
00052         virtual EDistanceType get_distance_type() { return D_CANBERRAWORD; }
00053 
00058         virtual const char* get_name() const { return "CanberraWordDistance"; }
00059 
00060     protected:
00064         float64_t compute(int32_t idx_a, int32_t idx_b);
00065 };
00066 } // namespace shogun
00067 #endif /* _CANBERRAWORDDISTANCE_H___ */
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines

SHOGUN Machine Learning Toolbox - Documentation