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

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M9poFSphericalRx.h

Go to the documentation of this file.

#ifndef Impala_Core_Array_Trait_M9poFSphericalRx_h
#define Impala_Core_Array_Trait_M9poFSphericalRx_h

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

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


template<class DstArrayT, class SrcArrayT>
class M9poFSphericalRx
{
public:
    typedef Pattern::TagTransInVar TransVarianceCategory;

    typedef Pattern::TagCallValue CallCategory;

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

    M9poFSphericalRx()
    {
    }

    DstArithT
    DoIt(const SrcArithT& R, const SrcArithT& G, const SrcArithT& B,
         const SrcArithT& Rx, const SrcArithT& Gx, const SrcArithT& Bx,
         const SrcArithT& Ry, const SrcArithT& Gy, const SrcArithT& By)
    {
        SrcArithT intensity = Element::E1Sqrt(R*R + G*G + B*B);
        return (intensity > 0) ? (R*Rx + G*Gx + B*Bx) / intensity : 0;
    }

};

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

#endif

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