00001 // $Id: NOX_Belos_PreconditionOperator.H,v 1.3 2006/08/22 00:01:31 rppawlo Exp $ 00002 // $Source: /space/CVS/Trilinos/packages/nox/src-belos/NOX_Belos_PreconditionOperator.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-belos/NOX_Belos_PreconditionOperator.H,v $ 00036 // $Author: rppawlo $ 00037 // $Date: 2006/08/22 00:01:31 $ 00038 // $Revision: 1.3 $ 00039 // ************************************************************************ 00040 //@HEADER 00041 00042 #ifndef NOX_BELOS_PRECONDITIONOPERATOR_H 00043 #define NOX_BELOS_PRECONDITIONOPERATOR_H 00044 00045 #include "BelosOperator.hpp" // base class 00046 #include "NOX_Abstract_Group.H" // data member 00047 00048 namespace NOX { 00049 00050 namespace Belos { 00051 00062 class PreconditionOperator : public ::Belos::Operator<double> { 00063 00064 public: 00065 00067 PreconditionOperator(NOX::Abstract::Group& g, 00068 NOX::Parameter::List& preconditionerParameters); 00069 00071 virtual ~PreconditionOperator(); 00072 00074 00077 virtual ::Belos::ReturnType 00078 Apply(const ::Belos::MultiVec<double>& x, 00079 ::Belos::MultiVec<double>& y, 00080 ::Belos::ETrans trans=::Belos::NOTRANS) const; 00081 00083 00086 virtual ::Belos::ReturnType 00087 ApplyInverse(const ::Belos::MultiVec<double>& x, 00088 ::Belos::MultiVec<double>& y, 00089 ::Belos::ETrans trans=::Belos::NOTRANS) const; 00090 00091 protected: 00092 00097 ::Belos::ReturnType 00098 noxReturnTypeToBelos(NOX::Abstract::Group::ReturnType noxStatus) const; 00099 00100 protected: 00101 00103 NOX::Abstract::Group& grp; 00104 00106 NOX::Parameter::List& precondParams; 00107 00108 }; 00109 } // namespace Belos 00110 } // namespace LOCA 00111 00112 #endif