Thyra_DefaultMultiVectorProductVectorSpace_decl.hpp

// @HEADER
// *****************************************************************************
//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//
// Copyright 2004 NTESS and the Thyra contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef THYRA_DEFAULT_MULTI_VECTOR_PRODUCT_VECTOR_SPACE_DECL_HPP
#define THYRA_DEFAULT_MULTI_VECTOR_PRODUCT_VECTOR_SPACE_DECL_HPP

#include "Thyra_ProductVectorSpaceBase.hpp" // Interface
#include "Thyra_DefaultProductVectorSpace.hpp" // Implementation
#include "Thyra_VectorSpaceDefaultBase.hpp"


namespace Thyra {


template<class Scalar>
class DefaultMultiVectorProductVectorSpace
  : virtual public ProductVectorSpaceBase<Scalar>
  , virtual protected VectorSpaceDefaultBase<Scalar>
{
public:


  DefaultMultiVectorProductVectorSpace();
  
  void initialize(
    const RCP<const VectorSpaceBase<Scalar> > &space,
    const int numColumns
    );

  RCP<const DefaultProductVectorSpace<Scalar> >
  getDefaultProductVectorSpace() const;

  void uninitialize(
    RCP<const VectorSpaceBase<Scalar> > *space = 0,
    int *numColumns = 0
    );
    
    
    
  int numBlocks() const;
  RCP<const VectorSpaceBase<Scalar> > getBlock(const int k) const; 



  Ordinal dim() const;
  bool isCompatible( const VectorSpaceBase<Scalar>& vecSpc ) const;
  RCP< VectorBase<Scalar> > createMember() 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 ) const;
  bool hasInCoreView( const Range1D& rng, const EViewType viewType,
    const EStrideType strideType ) const;
  RCP< const VectorSpaceFactoryBase<Scalar> > smallVecSpcFcty() const;
  RCP< MultiVectorBase<Scalar> > createMembers(int numMembers) const;
  RCP< const VectorSpaceBase<Scalar> > clone() const;


                                                
  std::string description() const;

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


private:
 
  // ///////////////////////////////////
  // Private data members

  RCP<const VectorSpaceBase<Scalar> > space_;
  int numColumns_;
  RCP<const DefaultProductVectorSpace<Scalar> > defaultProdVecSpc_;

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

  void assertInitialized() const;

};


template<class Scalar>
inline
RCP<DefaultMultiVectorProductVectorSpace<Scalar> >
multiVectorProductVectorSpace()
{
  return Teuchos::rcp(new DefaultMultiVectorProductVectorSpace<Scalar>());
}


template<class Scalar>
inline
RCP<DefaultMultiVectorProductVectorSpace<Scalar> >
multiVectorProductVectorSpace(
  const RCP<const VectorSpaceBase<Scalar> > &space,
  const int numColumns
  )
{
  RCP<DefaultMultiVectorProductVectorSpace<Scalar> > multiVecProdVecSpace =
    multiVectorProductVectorSpace<Scalar>();
  multiVecProdVecSpace->initialize(space,numColumns);
  return multiVecProdVecSpace;
}


// /////////////////////////////////
// Inline members


template<class Scalar>
inline
RCP<const DefaultProductVectorSpace<Scalar> >
DefaultMultiVectorProductVectorSpace<Scalar>::getDefaultProductVectorSpace() const
{
  return defaultProdVecSpc_;
}


template<class Scalar>
inline
void DefaultMultiVectorProductVectorSpace<Scalar>::assertInitialized() const
{
#ifdef TEUCHOS_DEBUG
  TEUCHOS_TEST_FOR_EXCEPT( is_null(space_) );
#endif
}


} // namespace Thyra


#endif // THYRA_DEFAULT_MULTI_VECTOR_PRODUCT_VECTOR_SPACE_DECL_HPP