RTOpPack_TOpAXPY.hpp

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// 
// RTOp: Interfaces and Support Software for Vector Reduction Transformation
//       Operations
//                Copyright (2006) Sandia Corporation
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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#ifndef RTOPPACK_TOP_AXPY_HPP
#define RTOPPACK_TOP_AXPY_HPP

#include "RTOpPack_RTOpTHelpers.hpp"


namespace RTOpPack {


template<class Scalar>
class TOpAXPYEleWiseTransformation
{
public:
  TOpAXPYEleWiseTransformation( const Scalar &alpha )
    : alpha_(alpha)
    {}
  void operator()( const Scalar &v0, Scalar &z0 ) const
    {
      z0 += alpha_ * v0;
    }
private:
  Scalar alpha_;
};


template<class Scalar>
class TOpAXPY
  : public TOp_1_1_Base<Scalar, TOpAXPYEleWiseTransformation<Scalar> >
{
public:
  typedef TOp_1_1_Base<Scalar, TOpAXPYEleWiseTransformation<Scalar> > base_t;
  TOpAXPY( const Scalar &alpha )
    : base_t(TOpAXPYEleWiseTransformation<Scalar>(alpha))
    {
      this->setOpNameBase("TOpAXPY");
    }
};


} // namespace RTOpPack


#endif // RTOPPACK_TOP_AXPY_HPP