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

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BpoNegDiv.h

Go to the documentation of this file.

#ifndef Impala_Core_Array_Trait_BpoNegDiv_h
#define Impala_Core_Array_Trait_BpoNegDiv_h

#include "Core/Array/Pattern/Categories.h"
#include "Core/Array/Element/E1Cast.h"

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


template<class DstArrayT, class Src1ArrayT, class Src2ArrayT>
class BpoNegDiv
{
public:
    typedef Pattern::TagTransInVar TransVarianceCategory;

    typedef Pattern::TagCallValue CallCategory;

    typedef typename DstArrayT::ArithType DstArithT;
    typedef typename Src1ArrayT::ArithType Src1ArithT;
    typedef typename Src2ArrayT::ArithType Src2ArithT;

    BpoNegDiv()
    {
    }

    DstArithT
    DoIt(const Src1ArithT& x, const Src2ArithT& y)
    {
        return Element::E1Cast(x<0 ? -x/y : 0.0, DstArithT());
    }

    static DstArithT
    NeutralElement()
    {
        return Element::E1Cast(1, DstArithT());
    }

};

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

#endif

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