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) 2006-2009 Christian Gehl 00008 * Copyright (C) 2006-2009 Fraunhofer Institute FIRST and Max-Planck-Society 00009 */ 00010 00011 #ifndef _MANHATTANMETRIC_H___ 00012 #define _MANHATTANMETRIC_H___ 00013 00014 #include <shogun/lib/common.h> 00015 #include <shogun/distance/SimpleDistance.h> 00016 #include <shogun/features/SimpleFeatures.h> 00017 00018 namespace shogun 00019 { 00036 class CManhattanMetric: public CSimpleDistance<float64_t> 00037 { 00038 public: 00040 CManhattanMetric(); 00041 00047 CManhattanMetric(CSimpleFeatures<float64_t>* l, CSimpleFeatures<float64_t>* r); 00048 virtual ~CManhattanMetric(); 00049 00056 virtual bool init(CFeatures* l, CFeatures* r); 00057 00059 virtual void cleanup(); 00060 00065 virtual EDistanceType get_distance_type() { return D_MANHATTAN; } 00066 00071 virtual const char* get_name() const { return "ManhattanMetric"; } 00072 00073 protected: 00077 virtual float64_t compute(int32_t idx_a, int32_t idx_b); 00078 }; 00079 00080 } // namespace shogun 00081 #endif /* _MANHATTANMETRIC_H___ */ 00082
