/usr/include/trilinos/RTOpPack_TOpAXPY.hpp is in libtrilinos-rtop-dev 12.10.1-3.
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// ***********************************************************************
//
// RTOp: Interfaces and Support Software for Vector Reduction Transformation
// Operations
// Copyright (2006) Sandia Corporation
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#ifndef RTOPPACK_TOP_AXPY_HPP
#define RTOPPACK_TOP_AXPY_HPP
#include "RTOpPack_RTOpTHelpers.hpp"
namespace RTOpPack {
/** \brief Element-wise transformation operator for TOpAXPY. */
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_;
};
/** \brief AXPY transformation operator: <tt>z0[i] += alpha*v0[i],
* i=0...n-1</tt>.
*/
template<class Scalar>
class TOpAXPY
: public TOp_1_1_Base<Scalar, TOpAXPYEleWiseTransformation<Scalar> >
{
public:
typedef TOp_1_1_Base<Scalar, TOpAXPYEleWiseTransformation<Scalar> > base_t;
/** \brief . */
TOpAXPY( const Scalar &alpha )
: base_t(TOpAXPYEleWiseTransformation<Scalar>(alpha))
{
this->setOpNameBase("TOpAXPY");
}
};
} // namespace RTOpPack
#endif // RTOPPACK_TOP_AXPY_HPP
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