setbranchrule.h

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#ifndef ABA_SETBRANCHRULE_H
#define ABA_SETBRANCHRULE_H

#include "abacus/branchrule.h"
#include "abacus/fsvarstat.h"

#ifdef ABACUS_PARALLEL
class ABA_MESSAGE;
#endif

  class  ABA_SETBRANCHRULE :  public ABA_BRANCHRULE  { 
    public: 

      ABA_SETBRANCHRULE(ABA_MASTER *master, int variable, 
                        ABA_FSVARSTAT::STATUS status);

      virtual ~ABA_SETBRANCHRULE();
#ifdef ABACUS_PARALLEL

      ABA_SETBRANCHRULE(const ABA_MASTER *master, ABA_MESSAGE &msg);

      virtual void pack(ABA_MESSAGE &msg) const;

      virtual int classId() const;
#endif

      friend ostream &operator<<(ostream &out, const ABA_SETBRANCHRULE &rhs);
      

      virtual int extract(ABA_SUB *sub);

      virtual void extract(ABA_LPSUB *lp);

      virtual void unExtract(ABA_LPSUB *lp);

      virtual bool branchOnSetVar();

      bool setToUpperBound() const;

      int variable() const;

    private: 
      int                   variable_;
      ABA_FSVARSTAT::STATUS status_;
      double                oldLpBound_;
  };



inline int ABA_SETBRANCHRULE::variable() const
  {
    return variable_;
  }


#endif  // ABA_SETBRANCHRULE_H

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