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Collection of Concrete Vector Reduction/Transformation Operator Implementations Version of the Day
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00001 // @HEADER 00002 // *********************************************************************** 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 00009 // license for use of this work by or on behalf of the U.S. Government. 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 00013 // published by the Free Software Foundation; either version 2.1 of the 00014 // License, or (at your option) any later version. 00015 // 00016 // This library is distributed in the hope that it will be useful, but 00017 // WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00019 // Lesser General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU Lesser General Public 00022 // License along with this library; if not, write to the Free Software 00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00024 // USA 00025 // Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 00026 // 00027 // *********************************************************************** 00028 // @HEADER 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
1.7.4