RTOpPack_TOpAddScalar.hpp

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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_ADD_SCALAR_HPP
#define RTOPPACK_TOP_ADD_SCALAR_HPP

#include "RTOpPack_RTOpTHelpers.hpp"

namespace RTOpPack {

template<class Scalar>
class TOpAddScalar : public ROpScalarTransformationBase<Scalar> {
public:
  void alpha( const Scalar& alpha ) { this->scalarData(alpha); }
  Scalar alpha() const { return this->scalarData(); }
  TOpAddScalar( const Scalar &alpha = Teuchos::ScalarTraits<Scalar>::zero() )
    : ROpScalarTransformationBase<Scalar>(alpha), RTOpT<Scalar>("TOpAddScalar")
    {}
  void apply_op(
    const int   num_vecs,       const ConstSubVectorView<Scalar>         sub_vecs[]
    ,const int  num_targ_vecs,  const SubVectorView<Scalar>  targ_sub_vecs[]
    ,ReductTarget *reduct_obj
    ) const
    {
      RTOP_APPLY_OP_0_1(num_vecs,sub_vecs,num_targ_vecs,targ_sub_vecs);
      for( Teuchos_Index i = 0; i < subDim; ++i, z0_val += z0_s ) {
        *z0_val += alpha();
      }
}
}; // class TOpAddScalar

} // namespace RTOpPack

#endif // RTOPPACK_TOP_ADD_SCALAR_HPP

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