Thyra_PreconditionerBase.hpp

00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
00005 //                 Copyright (2004) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef THYRA_PRECONDITIONER_BASE_HPP
00030 #define THYRA_PRECONDITIONER_BASE_HPP
00031 
00032 #include "Thyra_OperatorSolveTypes.hpp"
00033 #include "Teuchos_Describable.hpp"
00034 
00035 
00036 namespace Thyra {
00037 
00038 
00075 template<class Scalar>
00076 class PreconditionerBase : virtual public Teuchos::Describable
00077 {
00078 public:
00079 
00082 
00086   virtual bool isLeftPrecOpConst() const = 0;
00087 
00095   virtual Teuchos::RCP<LinearOpBase<Scalar> > getNonconstLeftPrecOp() = 0;
00096 
00100   virtual Teuchos::RCP<const LinearOpBase<Scalar> > getLeftPrecOp()const = 0;
00101 
00105   virtual bool isRightPrecOpConst() const = 0;
00106 
00114   virtual Teuchos::RCP<LinearOpBase<Scalar> > getNonconstRightPrecOp() = 0;
00115 
00119   virtual Teuchos::RCP<const LinearOpBase<Scalar> > getRightPrecOp() const = 0;
00120 
00124   virtual bool isUnspecifiedPrecOpConst() const = 0;
00125 
00129   virtual Teuchos::RCP<LinearOpBase<Scalar> > getNonconstUnspecifiedPrecOp() = 0;
00130 
00138   virtual Teuchos::RCP<const LinearOpBase<Scalar> > getUnspecifiedPrecOp() const = 0;
00139   
00141 
00142 private:
00143   
00144   // Not defined and not to be called
00145   PreconditionerBase<Scalar>&
00146   operator=(const PreconditionerBase<Scalar>&);
00147 
00148 };
00149 
00150 
00151 } // namespace Thyra
00152 
00153 
00154 #endif // THYRA_PRECONDITIONER_BASE_HPP
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines
Generated on Wed Apr 13 10:00:20 2011 for Thyra by  doxygen 1.6.3