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