TanimotoDistance.h

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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) 2008 Christian Gehl
00008  * Copyright (C) 2008 Fraunhofer Institute FIRST
00009  */
00010 
00011 #ifndef _TANIMOTODISTANCE_H___
00012 #define _TANIMOTODISTANCE_H___
00013 
00014 #include "lib/common.h"
00015 #include "distance/SimpleDistance.h"
00016 #include "features/RealFeatures.h"
00017 
00033 class CTanimotoDistance: public CSimpleDistance<float64_t>
00034 {
00035     public:
00037         CTanimotoDistance();
00038 
00044         CTanimotoDistance(CRealFeatures* l, CRealFeatures* r);
00045         virtual ~CTanimotoDistance();
00046 
00053         virtual bool init(CFeatures* l, CFeatures* r);
00054 
00056         virtual void cleanup();
00057 
00063         virtual bool load_init(FILE* src);
00064 
00070         virtual bool save_init(FILE* dest);
00071 
00076         virtual EDistanceType get_distance_type() { return D_TANIMOTO; }
00077 
00082         virtual const char* get_name() { return "Tanimoto coefficient/distance"; }
00083 
00084     protected:
00088         virtual float64_t compute(int32_t idx_a, int32_t idx_b);
00089 };
00090 
00091 #endif /* _TANIMOTODISTANCE_H___ */

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