Thyra_SingleScalarLinearOpBaseDecl.hpp

Go to the documentation of this file.

// @HEADER
// ***********************************************************************
// 
//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//  
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
// 
// ***********************************************************************
// @HEADER

#ifndef THYRA_SINGLE_SCALAR_LINEAR_OP_BASE_DECL_HPP
#define THYRA_SINGLE_SCALAR_LINEAR_OP_BASE_DECL_HPP

#include "Thyra_LinearOpDefaultBaseDecl.hpp"

namespace Thyra {

template<class Scalar>
class SingleScalarLinearOpBase : virtual public LinearOpDefaultBase<Scalar> {
public:

  using LinearOpDefaultBase<Scalar>::apply;


  bool applySupports( const EConj conj ) const;
  bool applyTransposeSupports( const EConj conj ) const;
  void apply(
    const EConj                       conj
    ,const MultiVectorBase<Scalar>    &X
    ,MultiVectorBase<Scalar>          *Y
    ,const Scalar                     alpha
    ,const Scalar                     beta
    ) const;
  void applyTranspose(
    const EConj                       conj
    ,const MultiVectorBase<Scalar>    &X
    ,MultiVectorBase<Scalar>          *Y
    ,const Scalar                     alpha
    ,const Scalar                     beta
    ) const;


protected:


  virtual bool opSupported(ETransp M_trans) const = 0;

  virtual void apply(
    const ETransp                     M_trans
    ,const MultiVectorBase<Scalar>    &X
    ,MultiVectorBase<Scalar>          *Y
    ,const Scalar                     alpha
    ,const Scalar                     beta
    ) const = 0;


};  // end class SingleScalarLinearOpBase

} // end namespace Thyra

#endif  // THYRA_SINGLE_SCALAR_LINEAR_OP_BASE_DECL_HPP

---