• Main Page
  • Namespaces
  • Classes
  • Files
  • File List
  • File Members

Meros_Preconditioner.hpp

Go to the documentation of this file.
00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //              Meros: Segregated Preconditioning Package
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 MEROS_PRECONDITIONER_H
00030 #define MEROS_PRECONDITIONER_H
00031 
00032 #include "Thyra_VectorImpl.hpp" // need for LinOpDecl
00033 #include "Thyra_VectorSpaceImpl.hpp" // need for LinOpDecl
00034 #include "Thyra_LinearOperatorImpl.hpp"
00035 #include "Thyra_PreconditionerBase.hpp"
00036 #include "Teuchos_RCP.hpp"
00037 
00038 
00039 namespace Meros 
00040 {
00041 
00042   using namespace Teuchos;
00043   using namespace Thyra;
00044 
00048   template <class Scalar>
00049   class Preconditioner
00050   {
00051   public:
00053     Preconditioner() : p_() {;}
00054     
00056     Preconditioner(const RCP<PreconditionerBase<Scalar> >& p)
00057       : p_(p) {;}
00058     
00060     Preconditioner(Handleable<PreconditionerBase<Scalar> >* p)
00061       : p_(p->getRcp()) {;}
00062 
00064     LinearOperator<Scalar> getRight() const 
00065     {
00066       return p_->getNonconstRightPrecOp();
00067     }
00068 
00070     bool hasRight() const 
00071     {
00072       return p_->getNonconstRightPrecOp().get() != 0;
00073     }
00074 
00076     LinearOperator<Scalar> getLeft() const {return p_->getNonconstLeftPrecOp();}
00077 
00079     bool hasLeft() const 
00080     {
00081       return p_->getNonconstLeftPrecOp().get() != 0;
00082     }
00083 
00085     LinearOperator<Scalar> getGenericPrec() const {return p_->getNonconstGenericPrecOp();}
00086 
00087 
00089     bool hasGeneric() const 
00090     {
00091       return p_->getNonconstUnspecifiedPrecOp().get() != 0;
00092     }
00093 
00095     const RCP<PreconditionerBase<Scalar> >& ptr() const {return p_;}
00097     RCP<PreconditionerBase<Scalar> > ptr() {return p_;}
00098 
00099   private:
00100     RCP<PreconditionerBase<Scalar> > p_;
00101   };
00102 
00103 
00104 } // namespace Meros
00105 
00106 #endif // MEROS_PCD_OPERATOR_SOURCE_H