/home/coin/SVN-release/OS-2.4.1/Couenne/src/bound_tightening/twoImpliedBT/CouenneTwoImplied.hpp

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00001 /* $Id: CouenneTwoImplied.hpp 577 2011-05-21 20:38:48Z pbelotti $
00002  *
00003  * Name:    CouenneTwoImplied.hpp
00004  * Author:  Pietro Belotti
00005  * Purpose: Bound Tightening using pairs of linear inequalities or equations
00006  *
00007  * (C) Pietro Belotti, 2010.
00008  * This file is licensed under the Eclipse Public License (EPL)
00009  */
00010 
00011 #ifndef COUENNETWOIMPLIED_HPP
00012 #define COUENNETWOIMPLIED_HPP
00013 
00014 #include "BonRegisteredOptions.hpp"
00015 
00016 #include "CglCutGenerator.hpp"
00017 #include "OsiRowCut.hpp"
00018 #include "CouenneJournalist.hpp"
00019 
00020 namespace Ipopt {
00021   template <class T> class SmartPtr;
00022   class OptionsList;
00023 }
00024 
00025 namespace Couenne {
00026 
00027   class CouenneProblem;
00028 
00173   class CouenneTwoImplied: public CglCutGenerator {
00174 
00175   public:
00176 
00178     CouenneTwoImplied (CouenneProblem *,
00179                        JnlstPtr,
00180                        const Ipopt::SmartPtr <Ipopt::OptionsList>);
00181 
00183     CouenneTwoImplied  (const CouenneTwoImplied &);
00184 
00186     ~CouenneTwoImplied ();
00187 
00189     CouenneTwoImplied *clone () const
00190     {return new CouenneTwoImplied (*this);}
00191 
00193     void generateCuts (const OsiSolverInterface &, 
00194                        OsiCuts &, 
00195                        const CglTreeInfo = CglTreeInfo ()) const;
00196 
00198     static void registerOptions (Ipopt::SmartPtr <Bonmin::RegisteredOptions> roptions);
00199 
00200   protected:
00201 
00203     CouenneProblem *problem_;
00204 
00206     JnlstPtr jnlst_;
00207 
00209     int nMaxTrials_;
00210 
00212     mutable double totalTime_;
00213 
00215     mutable double totalInitTime_;
00216 
00218     mutable bool firstCall_;
00219 
00221     int depthLevelling_;
00222 
00224     int depthStopSeparate_;
00225   };
00226 }
00227 
00228 #endif

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