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HxIndxHisto.h

/*
 *  Copyright (c) 2000, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *  Author(s):
 *  Jan-Mark Geusebroek (mark@wins.uva.nl)
 *
 */

#ifndef HxIndxHisto_H
#define HxIndxHisto_H

#include "HxIndxArray.h"
#include "HxHistoList.h"


template<class HeaderT>
class IndxHistHeaderT {
    public:
        friend STD_OSTREAM& operator<<(STD_OSTREAM& os,
            const IndxHistHeaderT& l)
                {return os << l.bins << " bins, " << l.chans <<
                    ((l.chans == 1) ?  HxString(" channel") :
                        HxString(" channels"));}
    int     bins;
    int     chans;
    HeaderT header;
};

template<class HeaderT>
class indexedHisto : public indexedArray<float, IndxHistHeaderT<HeaderT> >  {
public:
    void create(HxString indexFile, HeaderT header);
    void        add(HxString& key, HxHistoList& l); 
    void        search(HxHistoList& target, int n = 10, int refine = 0);

    int         bins() const;
    int         chans() const;
    HeaderT     header() const;

    friend STD_OSTREAM& operator<<(STD_OSTREAM& os,
        const indexedHisto& l)
            {return l.put(os);}

    int         arraySize(const IndxHistHeaderT<HeaderT>& header) const
                    {return header.bins*header.chans;}

    virtual double      compare(float *e1, float *e2,
                    const IndxHistHeaderT<HeaderT>& header) const;

private:
    int         _create;
    HeaderT     _header;
};


#ifdef INC_TEMPLATE_SRC
#include "HxIndxHisto.c"
#endif

#endif

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