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HxExportExtraIdentMaskMean.h

/*
 *  Copyright (c) 2002, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *  Author(s):
 *  Dennis Koelma (koelma@wins.uva.nl)
 *
 */

#ifndef HxExportExtraIdentMaskMean_h
#define HxExportExtraIdentMaskMean_h

#include "HxClassName.h"
#include "HxSizes.h"
#include "HxCategories.h"
#include "HxTagList.h"


template<class ResultT, class ImValT, class ExtraValT>
class HxExportExtraIdentMaskMean
{
public:
    typedef HxTagTransInVar     TransVarianceCategory;

    typedef HxTag1Phase         PhaseCategory;


                        HxExportExtraIdentMaskMean(HxTagList& tags);

                        ~HxExportExtraIdentMaskMean();

    void                doIt(const ImValT& imV, const ExtraValT& extraV);

    static HxString     className();

private:
    HxTagList&          _tags;
    ExtraValT           _maskVal;
    ResultT             _result;
    HxScalarInt         _num;
};

template<class ResultT, class ImValT, class ExtraValT>

HxExportExtraIdentMaskMean<ResultT,ImValT,ExtraValT>::HxExportExtraIdentMaskMean(HxTagList& tags) : _tags(tags)
{
    _maskVal = HxGetTag<int>(tags, "maskVal");
    _result = HxScalarInt(0);
    _num = 0;
}

template<class ResultT, class ImValT, class ExtraValT>
HxExportExtraIdentMaskMean<ResultT,ImValT,ExtraValT>::~HxExportExtraIdentMaskMean()
{
    _result = _result / (ResultT) _num;
    HxAddTag(_tags, "result", HxValue(_result));
}

template<class ResultT, class ImValT, class ExtraValT>
inline void
HxExportExtraIdentMaskMean<ResultT,ImValT,ExtraValT>::doIt(const ImValT& imV,
                                                  const ExtraValT& extraV)
{
    if (extraV == _maskVal) {
        _result += imV;
        _num += 1;
    }
}

template<class ResultT, class ImValT, class ExtraValT>
inline HxString
HxExportExtraIdentMaskMean<ResultT,ImValT,ExtraValT>::className()
{
    return HxString("identMaskMean");
}


#endif

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