Thyra_ScalarProdVectorSpaceBase_decl.hpp

// @HEADER
// ***********************************************************************
// 
//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//                 Copyright (2004) 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.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Roscoe A. Bartlett (bartlettra@ornl.gov) 
// 
// ***********************************************************************
// @HEADER

#ifndef THYRA_SCALAR_PROD_VECTOR_SPACE_BASE_DECL_HPP
#define THYRA_SCALAR_PROD_VECTOR_SPACE_BASE_DECL_HPP

#include "Thyra_OperatorVectorAdapterSupportTypes.hpp"
#include "Thyra_VectorSpaceDefaultBase.hpp"


namespace Thyra {


template<class Scalar>
class ScalarProdVectorSpaceBase : virtual public VectorSpaceDefaultBase<Scalar> {
public:


  ScalarProdVectorSpaceBase();

  ScalarProdVectorSpaceBase(
    const RCP<const ScalarProdBase<Scalar> > &scalarProd );

  virtual void setScalarProd(
    const RCP<const ScalarProdBase<Scalar> > &scalarProd );

  RCP<const ScalarProdBase<Scalar> > getScalarProd() const;


  
  bool isEuclidean() const;
  Scalar scalarProd(
    const VectorBase<Scalar>& x, const VectorBase<Scalar>& y ) const;
  void scalarProdsImpl(
    const MultiVectorBase<Scalar>& X, const MultiVectorBase<Scalar>& Y,
    const ArrayView<Scalar> &scalarProds_out ) const;
  

private:

  RCP<const ScalarProdBase<Scalar> > scalarProd_;

};


template<class Scalar>
RCP<const ScalarProdVectorSpaceBase<Scalar> >
createSmallScalarProdVectorSpaceBase(
  const RCP<const VectorSpaceBase<Scalar> > &vs,
  const Ordinal dim
  )
{
  return Teuchos::rcp_dynamic_cast<const ScalarProdVectorSpaceBase<Scalar> >(
    vs->smallVecSpcFcty()->createVecSpc(dim), true);
}


} // end namespace Thyra


#endif  // THYRA_SCALAR_PROD_VECTOR_SPACE_BASE_DECL_HPP