Teuchos_PolynomialTraits.hpp

```00001 // @HEADER
00002 // ***********************************************************************
00003 //
00004 //                    Teuchos: Common Tools Package
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
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 // ***********************************************************************
00028
00029 #ifndef TEUCHOS_POLYNOMIAL_TRAITS_HPP
00030 #define TEUCHOS_POLYNOMIAL_TRAITS_HPP
00031
00032 #include "Teuchos_RefCountPtr.hpp"
00033
00034 namespace Teuchos {
00035
00037
00044   template <typename Scalar>
00045   class PolynomialTraits {
00046   public:
00047
00049     typedef Scalar coeff_type;
00050
00052     typedef Scalar scalar_type;
00053
00055     static inline Teuchos::RefCountPtr<coeff_type> clone(const coeff_type& c) {
00056       return Teuchos::rcp(new coeff_type(c));
00057     }
00058
00060     static inline void copy(const coeff_type& x, coeff_type* y) {
00061       *y = x;
00062     }
00063
00065     static inline void assign(coeff_type* y, const scalar_type& alpha) {
00066      *y = alpha;
00067     }
00068
00070     static inline void update(coeff_type* y, const coeff_type& x,
00071             const scalar_type& beta) {
00072       *y = x + beta*(*y);
00073     }
00074
00075   }; // class PolynomialTraits
00076
00077 } // end namespace Teuchos
00078
00079 #endif  // TEUCHOS_POLYNOMIAL_TRAITS_HPP
```

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