CouenneComplObject.hpp

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00001 /* $Id: CouenneComplObject.hpp 615 2011-06-08 20:36:24Z pbelotti $
00002  *
00003  * Name:    CouenneComplObject.hpp
00004  * Authors: Pietro Belotti, Lehigh University
00005  * Purpose: Branching object for complementarity constraints
00006  *
00007  * (C) Carnegie-Mellon University, 2008-10.
00008  * This file is licensed under the Eclipse Public License (EPL)
00009  */
00010 
00011 #ifndef COUENNECOMPLOBJECT_HPP
00012 #define COUENNECOMPLOBJECT_HPP
00013 
00014 #include "CouenneObject.hpp"
00015 
00016 namespace Couenne {
00017 
00021 
00022 class CouenneComplObject: public CouenneObject {
00023 
00024 public:
00025 
00027   CouenneComplObject (CouenneCutGenerator *c,
00028                       CouenneProblem *p, 
00029                       exprVar *ref, Bonmin::BabSetupBase *base, JnlstPtr jnlst,
00030                       int sign);
00031 
00033   CouenneComplObject (exprVar *ref, Bonmin::BabSetupBase *base, JnlstPtr jnlst,
00034                       int sign);
00035 
00037   ~CouenneComplObject () {}
00038 
00040   CouenneComplObject (const CouenneComplObject &src);
00041 
00043   virtual CouenneObject * clone () const
00044   {return new CouenneComplObject (*this);}
00045 
00048   virtual double infeasibility (const OsiBranchingInformation *info, int &way) const;
00049 
00052   virtual double checkInfeasibility (const OsiBranchingInformation * info) const;
00053 
00056   virtual OsiBranchingObject *createBranch (OsiSolverInterface*, 
00057                                             const OsiBranchingInformation*, 
00058                                             int way) const;
00059 private:
00060 
00064   int sign_;
00065 
00066 };
00067 
00068 }
00069 
00070 #endif
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