RealDistance.h

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/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Written (W) 1999-2009 Soeren Sonnenburg
 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
 */

#ifndef _REALDISTANCE_H__
#define _REALDISTANCE_H__

#include <shogun/distance/DenseDistance.h>
#include <shogun/lib/common.h>

namespace shogun
{
class CRealDistance : public CDenseDistance<float64_t>
{
public:
    CRealDistance() : CDenseDistance<float64_t>() {}

    virtual bool init(CFeatures* l, CFeatures* r)
    {
        CDenseDistance<float64_t>::init(l,r);

        ASSERT(l->get_feature_type()==F_DREAL);
        ASSERT(r->get_feature_type()==F_DREAL);

        return true;
    }

    inline virtual EFeatureType get_feature_type() { return F_DREAL; }

    virtual const char* get_name() const { return "RealDistance"; }

    virtual void cleanup()=0;

    virtual EDistanceType get_distance_type()=0 ;

protected:
    virtual float64_t compute(int32_t x, int32_t y)=0;
};
} // namespace shogun
#endif