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Thyra_DefaultDiagonalLinearOpWithSolve_decl.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
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00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef THYRA_DIAGONAL_LINEAR_OP_WITH_SOLVE_DECL_HPP
00030 #define THYRA_DIAGONAL_LINEAR_OP_WITH_SOLVE_DECL_HPP
00031 
00032 #include "Thyra_DefaultDiagonalLinearOp.hpp"
00033 #include "Thyra_LinearOpWithSolveBase.hpp"
00034 
00035 
00036 namespace Thyra {
00037 
00038 
00078 template<class Scalar>
00079 class DefaultDiagonalLinearOpWithSolve
00080   : virtual public DefaultDiagonalLinearOp<Scalar>,
00081     virtual public LinearOpWithSolveBase<Scalar>
00082 {
00083 public:
00084 
00087 
00094   DefaultDiagonalLinearOpWithSolve();
00095 
00097   DefaultDiagonalLinearOpWithSolve(
00098     const RCP<const VectorBase<Scalar> >   &diag
00099     );
00100 
00101 protected:
00102 
00106   bool solveSupportsImpl(EOpTransp M_trans) const;
00108   bool solveSupportsSolveMeasureTypeImpl(
00109     EOpTransp M_trans, const SolveMeasureType& solveMeasureType) const;
00111   SolveStatus<Scalar> solveImpl(
00112     const EOpTransp transp,
00113     const MultiVectorBase<Scalar> &B,
00114     const Ptr<MultiVectorBase<Scalar> > &X,
00115     const Ptr<const SolveCriteria<Scalar> > solveCriteria
00116     ) const;
00118 
00119 };
00120 
00121 
00126 template<class Scalar>
00127 RCP<DefaultDiagonalLinearOpWithSolve<Scalar> >
00128 defaultDiagonalLinearOpWithSolve()
00129 {
00130   return Teuchos::rcp(new DefaultDiagonalLinearOpWithSolve<Scalar>);
00131 }
00132 
00133 
00138 template<class Scalar>
00139 RCP<DefaultDiagonalLinearOpWithSolve<Scalar> >
00140 defaultDiagonalLinearOpWithSolve(
00141   const RCP<const VectorBase<Scalar> >   &diag
00142   )
00143 {
00144   RCP<DefaultDiagonalLinearOpWithSolve<Scalar> > ddlows =
00145     defaultDiagonalLinearOpWithSolve<Scalar>();
00146   ddlows->initialize(diag);
00147   return ddlows;
00148 }
00149 
00150 
00151 
00152 } // end namespace Thyra
00153 
00154 
00155 #endif  // THYRA_DIAGONAL_LINEAR_OP_WITH_SOLVE_DECL_HPP
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