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// $Source$
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// ************************************************************************
//
// NOX: An Object-Oriented Nonlinear Solver Package
// Copyright (2002) Sandia Corporation
//
// LOCA: Library of Continuation Algorithms Package
// Copyright (2005) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
//
// Questions? Contact Roger Pawlowski (rppawlo@sandia.gov) or
// Eric Phipps (etphipp@sandia.gov), Sandia National Laboratories.
// ************************************************************************
// CVS Information
// $Source$
// $Author$
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#ifndef NOX_LINESEARCH_FULLSTEP_H
#define NOX_LINESEARCH_FULLSTEP_H
#include "NOX_LineSearch_Generic.H" // base class
namespace NOX {
namespace LineSearch {
//! Simplest line search - always take the full step.
/*!
This line search can be called via NOX::LineSearch::Manager.
The following parameters can be specified in the "Full Step" sublist
of the "Line Search" sublist:
- "Full Step" - length of a full step (defaults to 1.0)
*/
class FullStep : public Generic {
public:
//! Constructor
FullStep(const Teuchos::RCP<NOX::GlobalData>& gd,
Teuchos::ParameterList& params);
//! Destructor
~FullStep();
// derived
bool reset(const Teuchos::RCP<NOX::GlobalData>& gd,
Teuchos::ParameterList& params);
// derived
bool compute(NOX::Abstract::Group& newgrp, double& step,
const NOX::Abstract::Vector& dir,
const NOX::Solver::Generic& s);
private:
//! Full step length
double stepSize;
};
} // namespace LineSearch
} // namespace NOX
#endif
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