/home/coin/SVN-release/Ipopt-3.3.2/Ipopt/src/contrib/CGPenalty/IpCGSearchDirCalc.hpp

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00001 // Copyright (C) 2005, 2007 International Business Machines and others.
00002 // All Rights Reserved.
00003 // This code is published under the Common Public License.
00004 //
00005 // $Id: IpCGSearchDirCalc.hpp 551 2005-10-27 00:31:28Z andreasw $
00006 //
00007 // Authors:  Andreas Waechter            IBM    2005-10-13
00008 
00009 #ifndef __IPCGSEARCHDIRCALC_HPP__
00010 #define __IPCGSEARCHDIRCALC_HPP__
00011 
00012 #include "IpSearchDirCalculator.hpp"
00013 #include "IpPDSystemSolver.hpp"
00014 
00015 namespace Ipopt
00016 {
00017 
00022   class CGSearchDirCalculator : public SearchDirectionCalculator
00023   {
00024   public:
00028     CGSearchDirCalculator(const SmartPtr<PDSystemSolver>& pd_solver);
00029 
00031     virtual ~CGSearchDirCalculator();
00033 
00035     virtual bool InitializeImpl(const OptionsList& options,
00036                                 const std::string& prefix);
00037 
00041     virtual bool ComputeSearchDirection();
00042 
00045     static void RegisterOptions(SmartPtr<RegisteredOptions> roptions);
00047 
00048   private:
00058     CGSearchDirCalculator();
00059 
00061     CGSearchDirCalculator(const CGSearchDirCalculator&);
00062 
00064     void operator=(const CGSearchDirCalculator&);
00066 
00073     Number penalty_init_min_;
00075     Number penalty_init_max_;
00078     bool never_use_fact_cgpen_direction_;
00080 
00083     SmartPtr<PDSystemSolver> pd_solver_;
00085   };
00086 
00087 } // namespace Ipopt
00088 
00089 #endif

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