ChebyshewMetric.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) 2006 Christian Gehl
00008  * Copyright (C) 1999-2008 Fraunhofer Institute FIRST and Max-Planck-Society
00009  */
00010 
00011 #ifndef _CHEBYSHEWMETRIC_H___
00012 #define _CHEBYSHEWMETRIC_H___
00013 
00014 #include "lib/common.h"
00015 #include "distance/SimpleDistance.h"
00016 #include "features/RealFeatures.h"
00017 
00019 class CChebyshewMetric: public CSimpleDistance<DREAL>
00020 {
00021     public:
00023         CChebyshewMetric();
00024 
00030         CChebyshewMetric(CRealFeatures* l, CRealFeatures* r);
00031         virtual ~CChebyshewMetric();
00032 
00039         virtual bool init(CFeatures* l, CFeatures* r);
00040 
00042         virtual void cleanup();
00043 
00049         virtual bool load_init(FILE* src);
00050 
00056         virtual bool save_init(FILE* dest);
00057 
00062         virtual EDistanceType get_distance_type() { return D_CHEBYSHEW; }
00063 
00068         virtual const CHAR* get_name() { return "Chebyshew-Metric"; };
00069 
00070     protected:
00074         virtual DREAL compute(INT idx_a, INT idx_b);
00075 };
00076 
00077 #endif  /* _CHEBYSHEWMETRIC_H___ */

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