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

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BpoEqual.h

Go to the documentation of this file.

#ifndef Impala_Core_Array_Trait_BpoEqual_h
#define Impala_Core_Array_Trait_BpoEqual_h

#include "Core/Array/Pattern/Categories.h"
#include "Core/Array/Element/E1Cast.h"
#include "Core/Array/Element/E1Abs.h"
#include "Core/Array/Element/E1Sum.h"

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


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

    typedef Pattern::TagCallValue CallCategory;

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

    BpoEqual(Real64 epsilon = 0.0)
    { 
        mEpsilon = epsilon;
    }

    DstArithT
    DoIt(const Src1ArithT& x, const Src2ArithT& y)
    {
        Real64 d = Element::E1Sum(Element::E1Abs(x - y));
        return (d > mEpsilon) ? Element::E1Cast(0, DstArithT())
                              : Element::E1Cast(1, DstArithT());
    }

    //private:
    Real64 mEpsilon;
};

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

#endif

---