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// Thyra: Interfaces and Support for Abstract Numerical Algorithms
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#ifndef THYRA_EUCLIDEAN_SCALAR_PROD_DECL_HPP
#define THYRA_EUCLIDEAN_SCALAR_PROD_DECL_HPP
#include "Thyra_ScalarProdBase_decl.hpp"
namespace Thyra {
/** \brief Concrete implementation of a scalar product for a Euclidean vector
* space (i.e. using the dot product).
*
* Because this subclass is implemented using an RTOp, it will work with any
* <tt>VectorBase</tt> or <tt>MultiVectorBase</tt> implementation no matter
* what.
*
* \ingroup Thyra_Op_Vec_basic_adapter_support_grp
*/
template<class Scalar>
class EuclideanScalarProd : public ScalarProdBase<Scalar> {
protected:
/** @name Overridden from ScalarProdBase */
//@{
/** \brief Returns <tt>true</tt>. */
virtual bool isEuclideanImpl() const;
/** \brief Simply calls <tt>dots(X,Y,scalar_prods)</tt>. */
virtual void scalarProdsImpl(
const MultiVectorBase<Scalar>& X, const MultiVectorBase<Scalar>& Y,
const ArrayView<Scalar> &scalarProds
) const;
//@}
};
} // end namespace Thyra
#endif // THYRA_EUCLIDEAN_SCALAR_PROD_DECL_HPP
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