EpetraExt_PolynomialVectorTraits.h

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// 
//     EpetraExt: Epetra Extended - Linear Algebra Services Package
//                 Copyright (2001) Sandia Corporation
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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#ifndef EPETRA_EXT_POLYNOMIAL_VECTOR_TRAITS_H
#define EPETRA_EXT_POLYNOMIAL_VECTOR_TRAITS_H

#include "Epetra_Vector.h"

namespace Teuchos {
  

  template <>
  class PolynomialTraits<Epetra_Vector> {
  public:

    typedef Epetra_Vector coeff_type;

    typedef double scalar_type;

    static inline Teuchos::RefCountPtr<coeff_type> clone(const coeff_type& c) {
      return Teuchos::rcp(new Epetra_Vector(c));
    }

    static inline void copy(const coeff_type& x, coeff_type* y) {
      y->Scale(1.0, x);
    }

    static inline void assign(coeff_type* y, const scalar_type& alpha) {
      y->PutScalar(alpha);
    }

    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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