TSFProductVectorSpaceImpl.hpp

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// 
//           TSFExtended: Trilinos Solver Framework Extended
//                 Copyright (2004) Sandia Corporation
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#ifndef TSFPRODUCTVECTORSPACEIMPL_HPP
#define TSFPRODUCTVECTORSPACEIMPL_HPP

#include "Thyra_DefaultProductVectorSpace.hpp"
#include "TSFVectorSpaceDecl.hpp"
 
using namespace TSFExtended;
using namespace Teuchos;



namespace TSFExtended
{

/** */
template <class Scalar> inline
Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > 
productSpace(const Array<VectorSpace<Scalar> >& spaces)
{
  Array<RCP<const Thyra::VectorSpaceBase<Scalar> > > data(spaces.size());
  for (int i=0; i<spaces.size(); i++)
  {
    data[i] = spaces[i].ptr();
  }
  return rcp(new Thyra::DefaultProductVectorSpace<Scalar>(data.size(), &(data[0])));
}


/** */
template <class Scalar> inline
Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > 
productSpace(VectorSpace<Scalar>& s1)
{
  Array<VectorSpace<Scalar> > s;
  s.append(s1);
  return productSpace(s);
}

/** */
template <class Scalar> inline
Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > 
productSpace(VectorSpace<Scalar>& s1, 
  VectorSpace<Scalar>& s2)
{
  Array<VectorSpace<Scalar> > s;
  s.append(s1);
  s.append(s2);
  return productSpace(s);
}

/** */
template <class Scalar> inline
Teuchos::RCP<const Thyra::VectorSpaceBase<Scalar> > 
productSpace(VectorSpace<Scalar>& s1,VectorSpace<Scalar>& s2,
  VectorSpace<Scalar>& s3)
{
  Array<VectorSpace<Scalar> > s;
  s.append(s1);
  s.append(s2);
  s.append(s3);
  return productSpace(s);
}

  
  
} 






#endif