Thyra_ProductVectorSpaceBase.hpp

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// ***********************************************************************
// 
//    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.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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// This library is distributed in the hope that it will be useful, but
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// 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
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
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#ifndef THYRA_PRODUCT_VECTOR_SPACE_BASE_HPP
#define THYRA_PRODUCT_VECTOR_SPACE_BASE_HPP


#include "Thyra_VectorSpaceBase.hpp"
#include "Teuchos_ExpandScalarTypeMacros.hpp"


namespace Thyra {


template<class Scalar>
class ProductVectorSpaceBase : virtual public VectorSpaceBase<Scalar> {
public:

  virtual int numBlocks() const = 0;

  virtual Teuchos::RCP<const VectorSpaceBase<Scalar> > getBlock(const int k) const = 0; 

#ifdef DOXYGEN_COMPILE
private:
  const VectorSpaceBase<Scalar> *spaces;
#endif

};


template<class Scalar>
inline
RCP<ProductVectorSpaceBase<Scalar> >
nonconstProductVectorSpaceBase(
  const RCP<VectorSpaceBase<Scalar> > &v,
  const bool forceSuccess = true
  )
{
  return Teuchos::rcp_dynamic_cast<ProductVectorSpaceBase<Scalar> >(
    v, forceSuccess);
}


template<class Scalar>
inline
RCP<const ProductVectorSpaceBase<Scalar> >
productVectorSpaceBase(
  const RCP<const VectorSpaceBase<Scalar> > &v,
  const bool forceSuccess = true
  )
{
  return Teuchos::rcp_dynamic_cast<const ProductVectorSpaceBase<Scalar> >(
    v, forceSuccess);
}


inline
RCP<ProductVectorSpaceBase<double> >
nonconstProductVectorSpaceBase(
  const RCP<VectorSpaceBase<double> > &vs,
  const bool forceSuccess = true
  )
{
  return nonconstProductVectorSpaceBase<double>(vs, forceSuccess);
}


inline
RCP<const ProductVectorSpaceBase<double> >
productVectorSpaceBase(
  const RCP<const VectorSpaceBase<double> > &vs,
  const bool forceSuccess = true
  )
{
  return productVectorSpaceBase<double>(vs, forceSuccess);
}


} // namespace Thyra

#endif // THYRA_PRODUCT_VECTOR_SPACE_BASE_HPP

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