lpvarstat.h

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#pragma once
 
#include <ogdf/lib/abacus/abacusroot.h>
 
namespace abacus {
 
 
class AbacusGlobal;
 
 
 
class OGDF_EXPORT LPVARSTAT : public AbacusRoot {
public:
 
    enum STATUS {
        AtLowerBound,   
        Basic,          
        AtUpperBound,   
        NonBasicFree,   
        Eliminated,     
        Unknown         
    };
 
 
    LPVARSTAT() : status_(Unknown) { }
 
 
    LPVARSTAT(STATUS status) : status_(status) { }
 
 
    LPVARSTAT(LPVARSTAT *lpVarStat) :
        status_(lpVarStat->status_)
    { }
 
 
    friend OGDF_EXPORT std::ostream &operator<<(std::ostream& out, const LPVARSTAT &rhs);
 
    STATUS status() const { return status_; }
 
 
    void status(STATUS stat) { status_ = stat; }
 
 
    void status(const LPVARSTAT *stat) { status_ = stat->status_; }
 
    bool atBound() const {
        return (status_ == AtLowerBound || status_ == AtUpperBound);
    }
 
    bool basic() const {
        return (status_ == Basic);
    }
 
 
private:
 
    STATUS status_;
 
    OGDF_NEW_DELETE
};
 
}