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 TSFPRECONDITIONERFACTORYBASE_HPP 00030 #define TSFPRECONDITIONERFACTORYBASE_HPP 00031 00032 #include "SundanceDefs.hpp" 00033 #include "TSFVectorDecl.hpp" 00034 #include "TSFLinearOperatorDecl.hpp" 00035 #include "TSFPreconditioner.hpp" 00036 #include "Teuchos_ParameterList.hpp" 00037 00038 00039 namespace TSFExtended 00040 { 00041 using namespace Teuchos; 00042 00043 /** 00044 * Base class for preconditioner factories. 00045 */ 00046 template <class Scalar> 00047 class PreconditionerFactoryBase 00048 : public Sundance::Handleable<PreconditionerFactoryBase<Scalar> > 00049 { 00050 public: 00051 /** empty ctor */ 00052 PreconditionerFactoryBase() {;} 00053 00054 /** virtual dtor */ 00055 virtual ~PreconditionerFactoryBase(){;} 00056 00057 00058 /** */ 00059 virtual Preconditioner<Scalar> createPreconditioner(const LinearOperator<Scalar>& A) const = 0 ; 00060 00061 private: 00062 }; 00063 00064 } 00065 00066 #endif