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// ***********************************************************************
//
// EpetraExt: Epetra Extended - Linear Algebra Services Package
// Copyright (2001) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
// @HEADER
#ifndef EPETRA_EXT_POLYNOMIAL_VECTOR_TRAITS_H
#define EPETRA_EXT_POLYNOMIAL_VECTOR_TRAITS_H
#include "Teuchos_PolynomialTraits.hpp"
#include "Teuchos_RefCountPtr.hpp"
#include "Epetra_Vector.h"
namespace Teuchos {
//! Specilization of Teuchos::PolynomialTraits for %Epetra vectors.
/*!
* This class provides a specilization of Teuchos::PolynomialTraits for
* Epetra_Vector vectors, allowing these vectors to be coefficients
* in the Teuchos::Polynomial.
*/
template <>
class PolynomialTraits<Epetra_Vector> {
public:
//! Typename of coefficients
typedef Epetra_Vector coeff_type;
//! Typename of scalars
typedef double scalar_type;
//! Clone a coefficient
static inline Teuchos::RefCountPtr<coeff_type> clone(const coeff_type& c) {
return Teuchos::rcp(new Epetra_Vector(c));
}
//! Copy a coefficient
static inline void copy(const coeff_type& x, coeff_type* y) {
y->Scale(1.0, x);
}
//! Assign a scalar to a coefficient
static inline void assign(coeff_type* y, const scalar_type& alpha) {
y->PutScalar(alpha);
}
//! y = x + beta*y
static inline void update(coeff_type* y, const coeff_type& x,
const scalar_type& beta) {
y->Update(1.0, x, beta);
}
}; // class PolynomialTraits<Epetra_Vector>
} // namespace Teuchos
#endif // EPETRA_EXT_POLYNOMIAL_VECTOR_TRAITS_Hx
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