Thyra_DefaultMultiVectorProductVectorDecl.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.
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// 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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// 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_MULTI_VECTOR_PRODUCT_VECTOR_DECL_HPP
#define THYRA_MULTI_VECTOR_PRODUCT_VECTOR_DECL_HPP


#include "Thyra_ProductVectorBase.hpp" // Interface
#include "Thyra_VectorDefaultBase.hpp" // Implementation
#include "Thyra_DefaultProductVector.hpp"
#include "Teuchos_ConstNonconstObjectContainer.hpp"


namespace Thyra {


template<class Scalar> class DefaultMultiVectorProductVectorSpace;


template<class Scalar>
class DefaultMultiVectorProductVector
  : virtual public ProductVectorBase<Scalar>,
    virtual protected VectorDefaultBase<Scalar>
{
public:


  DefaultMultiVectorProductVector();

  void initialize(
    const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &productSpace,
    const RCP<MultiVectorBase<Scalar> > &multiVec
    );

  void initialize(
    const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &productSpace,
    const RCP<const MultiVectorBase<Scalar> > &multiVec
    );

  // ToDo: Add const version of above function also when needed!

  RCP<MultiVectorBase<Scalar> >
  getNonconstMultiVector();

  RCP<const MultiVectorBase<Scalar> >
  getMultiVector() const;

  void uninitialize();


                                                
  std::string description() const;

  void describe(
    Teuchos::FancyOStream &out,
    const Teuchos::EVerbosityLevel verbLevel
    ) const;



  RCP<VectorBase<Scalar> >
  getNonconstVectorBlock(const int k); 
  RCP<const VectorBase<Scalar> >
  getVectorBlock(const int k) const;



  RCP<const ProductVectorSpaceBase<Scalar> >
  productSpace() const;
  bool blockIsConst(const int k) const; 
  RCP<MultiVectorBase<Scalar> >
  getNonconstMultiVectorBlock(const int k);
  RCP<const MultiVectorBase<Scalar> >
  getMultiVectorBlock(const int k) const;



  RCP< const VectorSpaceBase<Scalar> > space() const;


protected:


  void applyOpImpl(
    const RTOpPack::RTOpT<Scalar> &op,
    const ArrayView<const Ptr<const VectorBase<Scalar> > > &vecs,
    const ArrayView<const Ptr<VectorBase<Scalar> > > &targ_vecs,
    const Ptr<RTOpPack::ReductTarget> &reduct_obj,
    const Index first_ele_offset,
    const Index sub_dim,
    const Index global_offset
    ) const;
  void acquireDetachedVectorViewImpl(
    const Range1D& rng, RTOpPack::ConstSubVectorView<Scalar>* sub_vec
    ) const;
  void releaseDetachedVectorViewImpl(
    RTOpPack::ConstSubVectorView<Scalar>* sub_vec
    ) const;
  void acquireNonconstDetachedVectorViewImpl(
    const Range1D& rng, RTOpPack::SubVectorView<Scalar>* sub_vec
    );
  void commitNonconstDetachedVectorViewImpl(
    RTOpPack::SubVectorView<Scalar>* sub_vec
    );
  void setSubVectorImpl(
    const RTOpPack::SparseSubVectorT<Scalar>& sub_vec
    );


private:

  // //////////////////////////////
  // Private types

  typedef Teuchos::ConstNonconstObjectContainer<MultiVectorBase<Scalar> > CNMVC;

  // //////////////////////////////
  // Private data members

  int numBlocks_;
  RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > productSpace_;
  CNMVC multiVec_;

  // //////////////////////////////
  // Private member functions

  RCP<const DefaultProductVector<Scalar> >
  getDefaultProductVector() const;

};


template<class Scalar>
inline
RCP<DefaultMultiVectorProductVector<Scalar> >
multiVectorProductVector(
  const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &productSpace,
  const RCP<MultiVectorBase<Scalar> > &multiVec
  )
{
  RCP<DefaultMultiVectorProductVector<Scalar> > multiVecProdVec
    = Teuchos::rcp(new DefaultMultiVectorProductVector<Scalar>());
  multiVecProdVec->initialize(productSpace,multiVec);
  return multiVecProdVec;
}


template<class Scalar>
inline
RCP<const DefaultMultiVectorProductVector<Scalar> >
multiVectorProductVector(
  const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &productSpace,
  const RCP<const MultiVectorBase<Scalar> > &multiVec
  )
{
  RCP<DefaultMultiVectorProductVector<Scalar> > multiVecProdVec
    = Teuchos::rcp(new DefaultMultiVectorProductVector<Scalar>());
  multiVecProdVec->initialize(productSpace,multiVec);
  return multiVecProdVec;
}


// ToDo: Add non-const and const versions of the nonmember constructor
// functions to wrap already created multi-vectors once needed!


template<class Scalar>
inline
RCP<DefaultMultiVectorProductVector<Scalar> >
multiVectorProductVector(
  const RCP<const DefaultMultiVectorProductVectorSpace<Scalar> > &productSpace
  )
{
#ifdef TEUCHOS_DEBUG
  TEST_FOR_EXCEPT(is_null(productSpace));
#endif
  return multiVectorProductVector(
    productSpace,
    createMembers(productSpace->getBlock(0),productSpace->numBlocks())
    );
}


} // namespace Thyra


#endif // THYRA_MULTI_VECTOR_PRODUCT_VECTOR_DECL_HPP

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