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

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M9poHw.h

Go to the documentation of this file.

#ifndef Impala_Core_Array_Trait_M9poHw_h
#define Impala_Core_Array_Trait_M9poHw_h

#include "Core/Array/Pattern/Categories.h"
#include "Core/Array/Element/E1Sqrt.h"
#include "Core/Array/Element/E1Log.h"

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


template<class DstArrayT, class SrcArrayT>
class M9poHw
{
public:
    typedef Pattern::TagTransInVar TransVarianceCategory;

    typedef Pattern::TagCallValue CallCategory;

    typedef typename DstArrayT::ArithType DstArithT;
    typedef typename SrcArrayT::ArithType SrcArithT;

    M9poHw(SrcArithT scale)
    {
        mScale = scale;
    }

    DstArithT
    DoIt(const SrcArithT& E, const SrcArithT& El, const SrcArithT& Ell,
         const SrcArithT& Ex, const SrcArithT& Elx, const SrcArithT& Ellx,
         const SrcArithT& Ey, const SrcArithT& Ely, const SrcArithT& Elly)
    {
        SrcArithT norm = (El*El + Ell*Ell) / mScale;
        SrcArithT Cx = Ell*Elx - El*Ellx;
        SrcArithT Hy = Ell*Ely - El*Elly;
        return Element::E1Sqrt(Cx*Cx + Hy*Hy) / norm;
        //return Element::E1Log(Element::E1Sqrt(Cx*Cx + Hy*Hy) / norm + 1);
    }

private:
    SrcArithT mScale;
};

template<class DstArrayT, class SrcArrayT>
class M9poHw_log
{
public:
    typedef Pattern::TagTransInVar TransVarianceCategory;

    typedef Pattern::TagCallValue CallCategory;

    typedef typename DstArrayT::ArithType DstArithT;
    typedef typename SrcArrayT::ArithType SrcArithT;

    M9poHw_log(SrcArithT scale)
    {
        mScale = scale;
    }

    DstArithT
    DoIt(const SrcArithT& E, const SrcArithT& El, const SrcArithT& Ell,
         const SrcArithT& Ex, const SrcArithT& Elx, const SrcArithT& Ellx,
         const SrcArithT& Ey, const SrcArithT& Ely, const SrcArithT& Elly)
    {
        SrcArithT norm = (El*El + Ell*Ell) / mScale;
        SrcArithT Cx = Ell*Elx - El*Ellx;
        SrcArithT Hy = Ell*Ely - El*Elly;
        //return Element::E1Sqrt(Cx*Cx + Hy*Hy) / norm;
        return Element::E1Log(Element::E1Sqrt(Cx*Cx + Hy*Hy) / norm + 1);
    }

private:
    SrcArithT mScale;
};

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

#endif

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