00001 // $Id: NOX_LineSearch_FullStep.C,v 1.10 2007/06/21 16:22:46 rhoope Exp $ 00002 // $Source: /space/CVS/Trilinos/packages/nox/src/NOX_LineSearch_FullStep.C,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/NOX_LineSearch_FullStep.C,v $ 00036 // $Author: rhoope $ 00037 // $Date: 2007/06/21 16:22:46 $ 00038 // $Revision: 1.10 $ 00039 // ************************************************************************ 00040 //@HEADER 00041 00042 #include "NOX_LineSearch_FullStep.H" // class definition 00043 00044 #include "NOX_Common.H" 00045 #include "NOX_Abstract_Vector.H" 00046 #include "NOX_Abstract_Group.H" 00047 #include "NOX_Solver_Generic.H" 00048 #include "Teuchos_ParameterList.hpp" 00049 #include "NOX_GlobalData.H" 00050 00051 using namespace NOX; 00052 using namespace NOX::LineSearch; 00053 00054 FullStep::FullStep(const Teuchos::RCP<NOX::GlobalData>& gd, 00055 Teuchos::ParameterList& params) 00056 { 00057 Teuchos::ParameterList& p = params.sublist("Full Step"); 00058 stepSize = p.get("Full Step", 1.0); 00059 } 00060 00061 FullStep::~FullStep() 00062 { 00063 00064 } 00065 00066 bool FullStep::reset(const Teuchos::RCP<NOX::GlobalData>& gd, 00067 Teuchos::ParameterList& params) 00068 { 00069 Teuchos::ParameterList& p = params.sublist("Full Step"); 00070 stepSize = p.get("Full Step", 1.0); 00071 return true; 00072 } 00073 00074 bool FullStep::compute(Abstract::Group& grp, double& step, 00075 const Abstract::Vector& dir, 00076 const Solver::Generic& s) 00077 { 00078 step = stepSize; 00079 const Abstract::Group& oldGrp = s.getPreviousSolutionGroup(); 00080 grp.computeX(oldGrp, dir, step); 00081 return true; 00082 } 00083