Thyra_PolynomialVectorTraits.hpp

00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
00005 //                 Copyright (2004) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef THYRA_POLYNOMIAL_VECTOR_TRAITS_HPP
00030 #define THYRA_POLYNOMIAL_VECTOR_TRAITS_HPP
00031 
00032 #include "Teuchos_PolynomialTraits.hpp"
00033 #include "Thyra_VectorBase.hpp"
00034 
00035 namespace Teuchos {
00036 
00038 
00043   template <typename Scalar>
00044   class PolynomialTraits< Thyra::VectorBase<Scalar> > {
00045   public:
00046 
00048     typedef Thyra::VectorBase<Scalar> coeff_type;
00049 
00051     typedef Scalar scalar_type;
00052 
00054     static inline Teuchos::RefCountPtr<coeff_type> clone(const coeff_type& c) {
00055       return c.clone_v();
00056     }
00057 
00059     static inline void copy(const coeff_type& x, coeff_type* y) {
00060       Thyra::copy(x,y);
00061     }
00062 
00064     static inline void assign(coeff_type* y, const scalar_type& alpha) {
00065       Thyra::assign(y,alpha);
00066     }
00067 
00069     static inline void update(coeff_type* y, const coeff_type& x, 
00070             const scalar_type& beta) {
00071       Thyra::Vp_V(y,x,beta);
00072     }
00073 
00074   }; // class PolynomialTraits< Thyra::VectorBase<Scalar> >
00075 
00076 } // end namespace Teuchos
00077 
00078 #endif  // THYRA_POLYNOMIAL_VECTOR_TRAITS_HPP

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