MinkowskiMetric.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 _MINKOWSKIMETRIC_H___
00012 #define _MINKOWSKIMETRIC_H___
00013 
00014 #include "lib/common.h"
00015 #include "distance/SimpleDistance.h"
00016 #include "features/RealFeatures.h"
00017 
00038 class CMinkowskiMetric: public CSimpleDistance<float64_t>
00039 {
00040     public:
00045         CMinkowskiMetric(float64_t k);
00046 
00053         CMinkowskiMetric(CRealFeatures* l, CRealFeatures* r, float64_t k);
00054         virtual ~CMinkowskiMetric();
00055 
00061         virtual bool init(CFeatures* l, CFeatures* r);
00062 
00064         virtual void cleanup();
00065 
00071         virtual bool load_init(FILE* src);
00072 
00078         virtual bool save_init(FILE* dest);
00079 
00084         virtual EDistanceType get_distance_type() { return D_MINKOWSKI;}
00085 
00090         virtual const char* get_name() { return "Minkowski-Metric"; }
00091 
00092     protected:
00096         virtual float64_t compute(int32_t idx_a, int32_t idx_b);
00097 
00098     protected:
00100         float64_t k;
00101 };
00102 
00103 #endif /* _MINKOWSKIMETRIC_H___ */

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