BelosOrthoManager.hpp

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// @HEADER
// *****************************************************************************
//                 Belos: Block Linear Solvers Package
//
// Copyright 2004-2016 NTESS and the Belos contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef BELOS_ORTHOMANAGER_HPP
#define BELOS_ORTHOMANAGER_HPP

#include "BelosConfigDefs.hpp"
#include "BelosTypes.hpp"
#include "Teuchos_ScalarTraits.hpp"
#include "Teuchos_RCP.hpp"
#include "Teuchos_SerialDenseMatrix.hpp"
#include "Teuchos_Array.hpp"


namespace Belos {




  class OrthoError : public BelosError
  {public: OrthoError(const std::string& what_arg) : BelosError(what_arg) {}};


  template <class ScalarType, class MV>
  class OrthoManager : 
    public Teuchos::ParameterListAcceptorDefaultBase 
  {
  public:

    OrthoManager() {};

    virtual ~OrthoManager() {};



    virtual void innerProd( const MV &X, const MV &Y, Teuchos::SerialDenseMatrix<int,ScalarType>& Z ) const = 0;


    virtual void norm (const MV& X, std::vector<typename Teuchos::ScalarTraits<ScalarType>::magnitudeType>& normvec) const = 0;

    virtual void
    project (MV &X,
             Teuchos::Array<Teuchos::RCP<Teuchos::SerialDenseMatrix<int,ScalarType> > > C,
             Teuchos::ArrayView<Teuchos::RCP<const MV> > Q) const = 0;

    virtual int normalize ( MV &X, Teuchos::RCP<Teuchos::SerialDenseMatrix<int,ScalarType> > B ) const = 0;

  protected:
    virtual int
    projectAndNormalizeImpl (MV &X,
                             Teuchos::Array<Teuchos::RCP<Teuchos::SerialDenseMatrix<int,ScalarType> > > C,
                             Teuchos::RCP<Teuchos::SerialDenseMatrix<int,ScalarType> > B,
                             Teuchos::ArrayView<Teuchos::RCP<const MV> > Q) const = 0;

  public:

    int
    projectAndNormalize (MV &X,
                         Teuchos::Array<Teuchos::RCP<Teuchos::SerialDenseMatrix<int,ScalarType> > > C,
                         Teuchos::RCP<Teuchos::SerialDenseMatrix<int,ScalarType> > B,
                         Teuchos::ArrayView<Teuchos::RCP<const MV> > Q) const
    {
      return this->projectAndNormalizeImpl (X, C, B, Q);
    }




    virtual typename Teuchos::ScalarTraits< ScalarType >::magnitudeType
    orthonormError(const MV &X) const = 0;

    virtual typename Teuchos::ScalarTraits<ScalarType>::magnitudeType
    orthogError(const MV &X1, const MV &X2) const = 0;





    virtual void setLabel(const std::string& label) = 0;

    virtual const std::string& getLabel() const = 0;


  };

} // end of Belos namespace


#endif

// end of file BelosOrthoManager.hpp