00001 // $Id: LOCA_Epetra_LeftPreconditionedOp.H,v 1.4 2007/06/21 16:22:55 rhoope Exp $ 00002 // $Source: /space/CVS/Trilinos/packages/nox/src-loca/src-epetra/LOCA_Epetra_LeftPreconditionedOp.H,v $ 00003 00004 //@HEADER 00005 // ************************************************************************ 00006 // 00007 // NOX: An Object-Oriented Nonlinear Solver Package 00008 // Copyright (2002) Sandia Corporation 00009 // 00010 // LOCA: Library of Continuation Algorithms Package 00011 // Copyright (2005) Sandia Corporation 00012 // 00013 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive 00014 // license for use of this work by or on behalf of the U.S. Government. 00015 // 00016 // This library is free software; you can redistribute it and/or modify 00017 // it under the terms of the GNU Lesser General Public License as 00018 // published by the Free Software Foundation; either version 2.1 of the 00019 // License, or (at your option) any later version. 00020 // 00021 // This library is distributed in the hope that it will be useful, but 00022 // WITHOUT ANY WARRANTY; without even the implied warranty of 00023 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00024 // Lesser General Public License for more details. 00025 // 00026 // You should have received a copy of the GNU Lesser General Public 00027 // License along with this library; if not, write to the Free Software 00028 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00029 // USA 00030 // 00031 // Questions? Contact Roger Pawlowski (rppawlo@sandia.gov) or 00032 // Eric Phipps (etphipp@sandia.gov), Sandia National Laboratories. 00033 // ************************************************************************ 00034 // CVS Information 00035 // $Source: /space/CVS/Trilinos/packages/nox/src-loca/src-epetra/LOCA_Epetra_LeftPreconditionedOp.H,v $ 00036 // $Author: rhoope $ 00037 // $Date: 2007/06/21 16:22:55 $ 00038 // $Revision: 1.4 $ 00039 // ************************************************************************ 00040 //@HEADER 00041 00042 #ifndef LOCA_EPETRA_LEFTPRECONDITIONEDOP_H 00043 #define LOCA_EPETRA_LEFTPRECONDITIONEDOP_H 00044 00045 #include "Teuchos_RCP.hpp" 00046 00047 #include "Epetra_Operator.h" // base class 00048 #include "NOX_Common.H" // for string data member 00049 00050 namespace LOCA { 00051 00052 namespace Epetra { 00053 00062 class LeftPreconditionedOp : public Epetra_Operator { 00063 00064 public: 00065 00067 00071 LeftPreconditionedOp( 00072 const Teuchos::RCP<Epetra_Operator>& jacOperator, 00073 const Teuchos::RCP<Epetra_Operator>& precOperator); 00074 00076 virtual ~LeftPreconditionedOp(); 00077 00079 virtual int SetUseTranspose(bool UseTranspose); 00080 00085 virtual int Apply(const Epetra_MultiVector& Input, 00086 Epetra_MultiVector& Result) const; 00087 00092 virtual int ApplyInverse(const Epetra_MultiVector& X, 00093 Epetra_MultiVector& Y) const; 00094 00096 00101 virtual double NormInf() const; 00102 00104 virtual const char* Label () const; 00105 00107 virtual bool UseTranspose() const; 00108 00113 virtual bool HasNormInf() const; 00114 00119 virtual const Epetra_Comm & Comm() const; 00120 00125 virtual const Epetra_Map& OperatorDomainMap () const; 00126 00131 virtual const Epetra_Map& OperatorRangeMap () const; 00132 00133 private: 00134 00136 LeftPreconditionedOp(const LeftPreconditionedOp&); 00137 00139 LeftPreconditionedOp& operator=(const LeftPreconditionedOp&); 00140 00141 protected: 00142 00144 string label; 00145 00147 Teuchos::RCP<Epetra_Operator> J; 00148 00150 Teuchos::RCP<Epetra_Operator> M; 00151 00153 bool useTranspose; 00154 00155 }; 00156 } // namespace Epetra 00157 } // namespace LOCA 00158 00159 #endif