RTOpPack_TOpEleWiseConjProd.hpp

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00003 // 
00004 // RTOp: Interfaces and Support Software for Vector Reduction Transformation
00005 //       Operations
00006 //                Copyright (2006) Sandia Corporation
00007 // 
00008 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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00010 // 
00011 // This library is free software; you can redistribute it and/or modify
00012 // it under the terms of the GNU Lesser General Public License as
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00029 
00030 #ifndef RTOPPACK_TOP_ELE_WISE_CONJ_PROD_HPP
00031 #define RTOPPACK_TOP_ELE_WISE_CONJ_PROD_HPP
00032 
00033 
00034 #include "RTOpPack_RTOpTHelpers.hpp"
00035 
00036 
00037 namespace RTOpPack {
00038 
00039 
00041 template<class Scalar>
00042 class TOpEleWiseConjProdEleWiseTransformation
00043 {
00044 public:
00045   TOpEleWiseConjProdEleWiseTransformation( const Scalar &alpha )
00046     : alpha_(alpha)
00047     {}
00048   void operator()( const Scalar &v0, const Scalar &v1, Scalar &z0 ) const
00049     {
00050       z0 += alpha_ * ScalarTraits<Scalar>::conjugate(v0) * v1;
00051     }
00052 private:
00053   Scalar alpha_;
00054 };
00055 
00056 
00060 template<class Scalar>
00061 class TOpEleWiseConjProd
00062   : public TOp_2_1_Base<Scalar, TOpEleWiseConjProdEleWiseTransformation<Scalar> >
00063 {
00064 public:
00065   typedef TOp_2_1_Base<Scalar, TOpEleWiseConjProdEleWiseTransformation<Scalar> > base_t;
00067   TOpEleWiseConjProd( const Scalar &alpha )
00068     : base_t(TOpEleWiseConjProdEleWiseTransformation<Scalar>(alpha))
00069     {
00070       this->setOpNameBase("TOpEleWiseConjProd");
00071     }
00072 };
00073 
00074 
00075 } // namespace RTOpPack
00076 
00077 
00078 #endif // RTOPPACK_TOP_ELE_WISE_CONJ_PROD_HPP
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