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 
00029 class CChebyshewMetric: public CSimpleDistance<float64_t>
00030 {
00031     public:
00033         CChebyshewMetric();
00034 
00040         CChebyshewMetric(CRealFeatures* l, CRealFeatures* r);
00041         virtual ~CChebyshewMetric();
00042 
00049         virtual bool init(CFeatures* l, CFeatures* r);
00050 
00052         virtual void cleanup();
00053 
00059         virtual bool load_init(FILE* src);
00060 
00066         virtual bool save_init(FILE* dest);
00067 
00072         virtual EDistanceType get_distance_type() { return D_CHEBYSHEW; }
00073 
00078         virtual const char* get_name() { return "Chebyshew-Metric"; }
00079 
00080     protected:
00084         virtual float64_t compute(int32_t idx_a, int32_t idx_b);
00085 };
00086 
00087 #endif  /* _CHEBYSHEWMETRIC_H___ */

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