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

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M9N4poFO.h

Go to the documentation of this file.

#ifndef Impala_Core_Array_Trait_M9N4poFO_h
#define Impala_Core_Array_Trait_M9N4poFO_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 M9N4poFO
{
public:
    typedef Pattern::TagTransInVar TransVarianceCategory;

    typedef Pattern::TagCallValue CallCategory;

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

    M9N4poFO()
    {
        mC2 = 1 / ::sqrt(2.0);
        mC6 = 1 / ::sqrt(6.0);
    }

    void
    DoIt(DstStorT* FO1x, DstStorT* FO1y, DstStorT* FO2x, DstStorT* FO2y,
         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)
    {
        *FO1x = mC2*(Rx-Gx);
        *FO1y = mC2*(Ry-Gy);
        *FO2x = mC6*(Rx+Gx-2*Bx);
        *FO2y = mC6*(Ry+Gy-2*By);
    }

    SrcArithT mC2;
    SrcArithT mC6;
};

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

#endif

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