PlayaVectorSpaceBaseDecl.hpp

/* @HEADER@ */
//   
/* @HEADER@ */

#ifndef PLAYA_VECTORSPACEBASEDECL_HPP
#define PLAYA_VECTORSPACEBASEDECL_HPP

#include "PlayaDefs.hpp"
#include "Teuchos_RCP.hpp"
#include "Teuchos_Describable.hpp"



namespace Playa
{
using Teuchos::RCP;

using Teuchos::Describable;

template <class Scalar> class VectorSpace;
template <class Scalar> class VectorBase;
template <class Scalar> class BlockIterator;

class MPIComm;

template <class Scalar>
class VectorSpaceBase : public Describable
{
public:
  virtual ~VectorSpaceBase() {;}

  virtual RCP<VectorBase<Scalar> > createMember(const VectorSpace<Scalar>& self) const = 0 ;

  virtual int dim() const = 0 ;

  virtual int numLocalElements() const = 0 ;

  virtual int baseGlobalNaturalIndex() const = 0 ;

  virtual bool isCompatible(const VectorSpaceBase<Scalar>* other) const = 0 ;

  virtual const MPIComm& comm() const = 0 ;

  virtual int numBlocks() const = 0 ;

protected:
  int accumulateBaseGNI() const ;
};

       
  
}

#endif