TSFIterativeSolver.hpp
Go to the documentation of this file.
00001 /* @HEADER@ */
00002 /* ***********************************************************************
00003 // 
00004 //           TSFExtended: Trilinos Solver Framework Extended
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 TSFITERATIVESOLVER_HPP
00030 #define TSFITERATIVESOLVER_HPP
00031 
00032 #include "SundanceDefs.hpp"
00033 #include "TSFLinearSolverBaseDecl.hpp"
00034 
00035 namespace TSFExtended
00036 {
00037   using namespace Teuchos;
00038 
00039   /**
00040    *
00041    */
00042   template <class Scalar>
00043   class IterativeSolver : public LinearSolverBase<Scalar>
00044   {
00045   public:
00046     /** */
00047     IterativeSolver(const ParameterList& params = ParameterList());
00048 
00049     /** */
00050     virtual ~IterativeSolver(){;}
00051     
00052     /** */
00053     int getMaxiters() const 
00054     {return this->parameters().template get<int>(maxitersParam());}
00055 
00056     /** */
00057     Scalar getTol() const 
00058     {return this->parameters().template get<double>(tolParam());}
00059 
00060     /** Change the convergence tolerance. */
00061     virtual void updateTolerance(const double& tol)
00062     {getParameter<double>(this->parameters(), tolParam())=tol;}
00063 
00064     /** */
00065     static std::string maxitersParam() {return "Max Iterations";}
00066 
00067     /** */
00068     static std::string tolParam() {return "Tolerance";}
00069 
00070     /** */
00071     static int defaultMaxiters() {return 500;}
00072 
00073     /** */
00074     static Scalar defaultTol() {return 1.0e-10;}
00075   };
00076 
00077   
00078   template <class Scalar> inline
00079   IterativeSolver<Scalar>::IterativeSolver(const ParameterList& params)
00080     : LinearSolverBase<Scalar>(params)
00081   {;}
00082   
00083 }
00084 
00085 #endif

Site Contact