|| || || || || || || ||

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ExportStat.h

Go to the documentation of this file.

#ifndef Impala_Core_Array_Trait_ExportStat_h
#define Impala_Core_Array_Trait_ExportStat_h

#include "Basis/Std.h"
#include "Core/Array/Pattern/Categories.h"
#include "Core/Array/Element/E0SmallVal.h"
#include "Core/Array/Element/E0LargeVal.h"
#include "Core/Array/Element/E1Cast.h"
#include "Core/Array/Element/E1Abs.h"

namespace Impala
{
namespace Core
{
namespace Array
{
namespace Trait
{


template<class ArithT, class DataT>
class ExportStat
{
public:
    typedef Pattern::TagPixOpOut       DirectionCategory;
    typedef Pattern::TagTransInVar     TransVarianceCategory;
    typedef Pattern::Tag1Phase         PhaseCategory;

    ExportStat()
    {
        mNum = 0;
        mMinVal = Element::E0LargeVal<ArithT>(ArithT());
        mMaxVal = Element::E0SmallVal<ArithT>(ArithT());
        mSum = Element::E1Cast(0, ArithT());
        mSumSqr = Element::E1Cast(0, ArithT());
        mSumAbs = Element::E1Cast(0, ArithT());
    }

    void
    DoIt(const ArithT& x)
    {
        mMinVal = Impala::Min(mMinVal, x);
        mMaxVal = Impala::Max(mMaxVal, x);
        mSum += x;
        mSumSqr += x*x;
        mSumAbs += Element::E1Abs(x);
        mNum += 1;
    }

//private:
    Int32 mNum;
    ArithT mMinVal;
    ArithT mMaxVal;
    ArithT mSum;
    ArithT mSumSqr;
    ArithT mSumAbs;
};

} // namespace Trait
} // namespace Array
} // namespace Core
} // namespace Impala

#endif

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