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// EpetraExt: Epetra Extended - Linear Algebra Services Package
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#ifndef EPETRA_EXT_POLYNOMIAL_VECTOR_TRAITS_H
#define EPETRA_EXT_POLYNOMIAL_VECTOR_TRAITS_H
#include "Teuchos_PolynomialTraits.hpp"
#include "Teuchos_RCP.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::RCP<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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