Thyra_DefaultProductVectorSpaceDecl.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
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#ifndef THYRA_PRODUCT_VECTOR_SPACE_DECL_HPP
#define THYRA_PRODUCT_VECTOR_SPACE_DECL_HPP

#include "Thyra_ProductVectorSpaceBase.hpp"
#include "Thyra_VectorSpaceDefaultBase.hpp"

namespace Thyra {

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


  DefaultProductVectorSpace(
    const int                                                       numBlocks
    ,const Teuchos::RefCountPtr<const VectorSpaceBase<Scalar> >     vecSpaces[]
    );
  
  virtual void initialize(
    const int                                                       numBlocks
    ,const Teuchos::RefCountPtr<const VectorSpaceBase<Scalar> >     vecSpaces[]
    );

  bool hasBeenCloned() const;

  virtual void uninitialize(
    int                                                             *numBlocks  = NULL
    ,Teuchos::RefCountPtr<const VectorSpaceBase<Scalar> >           vecSpaces[] = NULL
    );

  virtual const Teuchos::RefCountPtr<const VectorSpaceBase<Scalar> >* vecSpaces() const;

  virtual const Index* vecSpacesOffsets() const;

  void getVecSpcPoss( Index i, int* kth_vector_space, Index* kth_global_offset ) const;
  


  int numBlocks() const;
  Teuchos::RefCountPtr<const VectorSpaceBase<Scalar> > getBlock(const int k) const; 



  Index dim() const;
  bool isCompatible( const VectorSpaceBase<Scalar>& vecSpc ) const;
  Teuchos::RefCountPtr< VectorBase<Scalar> > createMember() const;
  Scalar scalarProd( const VectorBase<Scalar>& x, const VectorBase<Scalar>& y ) const;
  void scalarProds( const MultiVectorBase<Scalar>& X, const MultiVectorBase<Scalar>& Y, Scalar scalar_prods[] ) const;
  bool hasInCoreView(const Range1D& rng, const EViewType viewType, const EStrideType strideType) const;
  Teuchos::RefCountPtr< const VectorSpaceFactoryBase<Scalar> > smallVecSpcFcty() const;
  Teuchos::RefCountPtr< MultiVectorBase<Scalar> > createMembers(int numMembers) const;
  Teuchos::RefCountPtr< const VectorSpaceBase<Scalar> > clone() const;

private:
 
  // ///////////////////////////////////
  // Private types

  typedef std::vector<Teuchos::RefCountPtr<const VectorSpaceBase<Scalar> > >  vecSpaces_t;
  typedef std::vector<Index>                                                  vecSpacesOffsets_t;
 
  // ///////////////////////////////////
  // Private data members

  int                                        numBlocks_;
  Teuchos::RefCountPtr<vecSpaces_t>          vecSpaces_;
  Teuchos::RefCountPtr<vecSpacesOffsets_t>   vecSpacesOffsets_;
  // cached info
  Index                                      dim_;
  bool                                       isInCore_;
  
protected:

  // ///////////////////////////////////
  // Protected member functions

  DefaultProductVectorSpace(){ numBlocks_=0; dim_=0; }

};

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

template<class Scalar>
inline const Teuchos::RefCountPtr<const VectorSpaceBase<Scalar> >*
DefaultProductVectorSpace<Scalar>::vecSpaces() const
{
  return ( dim_ ? &(*vecSpaces_)[0] : NULL );
}

template<class Scalar>
inline const Index* DefaultProductVectorSpace<Scalar>::vecSpacesOffsets() const
{
  return ( dim_ ? &(*vecSpacesOffsets_)[0] : NULL );
}

template<class Scalar>
inline bool DefaultProductVectorSpace<Scalar>::hasBeenCloned() const
{
  return vecSpaces_.count() > 1;
}

} // namespace Thyra

#endif // THYRA_PRODUCT_VECTOR_SPACE_DECL_HPP

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