Thyra_MultiVectorFileIOBase.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_MULTI_VECTOR_FILE_IO_BASE_HPP
#define THYRA_MULTI_VECTOR_FILE_IO_BASE_HPP

#include "Thyra_OperatorVectorTypes.hpp"
#include "Teuchos_ParameterListAcceptor.hpp"
#include "Teuchos_VerboseObject.hpp"


namespace Thyra {


template<class Scalar>
class MultiVectorFileIOBase
  : virtual public Teuchos::VerboseObject<MultiVectorFileIOBase<Scalar> >
{
public:

  virtual bool isCompatible( const MultiVectorBase<Scalar> &mv ) const = 0;

  virtual void readMultiVectorFromFile(
    const std::string &fileNameBase,
    Thyra::MultiVectorBase<Scalar> *mv
    ) const = 0;
  
  virtual void writeMultiVectorToFile(
    const Thyra::MultiVectorBase<Scalar> &mv,
    const std::string &fileNameBase
    ) const = 0;
  
  
};


template<class Scalar>
Teuchos::RCP<VectorBase<Scalar> >
readVectorFromFile(
  const MultiVectorFileIOBase<Scalar> &fileIO,
  const std::string &fileNameBase,
  const VectorSpaceBase<Scalar> &vecSpc
  )
{
  Teuchos::RCP<VectorBase<Scalar> > v = createMember(vecSpc);
  fileIO.readMultiVectorFromFile(fileNameBase,&*v);
  return v;
}


} // namespace Thyra


#endif // THYRA_MULTI_VECTOR_FILE_IO_BASE_HPP