# OpenGraph DrawingFramework

v. 2023.09 (Elderberry)

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lpvarstat.h
Go to the documentation of this file.
1
30#pragma once
31
33
34namespace abacus {
35
36
37class AbacusGlobal;
38
39
41
51public:
52
54 enum STATUS {
59 Eliminated,
61 Unknown
66 };
67
68
70 LPVARSTAT() : status_(Unknown) { }
71
73
76 LPVARSTAT(STATUS status) : status_(status) { }
77
79
82 LPVARSTAT(LPVARSTAT *lpVarStat) :
83 status_(lpVarStat->status_)
84 { }
85
87
97 friend OGDF_EXPORT std::ostream &operator<<(std::ostream& out, const LPVARSTAT &rhs);
98
100 STATUS status() const { return status_; }
101
103
106 void status(STATUS stat) { status_ = stat; }
107
109
112 void status(const LPVARSTAT *stat) { status_ = stat->status_; }
113
115 bool atBound() const {
116 return (status_ == AtLowerBound || status_ == AtUpperBound);
117 }
118
120 bool basic() const {
121 return (status_ == Basic);
122 }
123
124
125private:
126
129
131};
132
133}
Base class of all other classes of ABACUS.
Definition abacusroot.h:68
status of variables.
Definition lpvarstat.h:50
bool atBound() const
Returns true if the variable status is AtUpperBound or AtLowerBound, false otherwise.
Definition lpvarstat.h:115
void status(STATUS stat)
Sets the status to stat.
Definition lpvarstat.h:106
STATUS
The enumeration of the statuses a variable gets from the linear program solver.
Definition lpvarstat.h:54
@ NonBasicFree
The variable is unbounded and not in the basis.
Definition lpvarstat.h:58
@ Basic
The variable is in the basis.
Definition lpvarstat.h:56
@ AtUpperBound
The variable is at its upper bound , but not in the basis.
Definition lpvarstat.h:57
@ AtLowerBound
The variable is at its lower bound, but not in the basis.
Definition lpvarstat.h:55
STATUS status_
The LP-status.
Definition lpvarstat.h:128
LPVARSTAT(STATUS status)
This constructor initializes the LPVARSTAT.
Definition lpvarstat.h:76
LPVARSTAT(LPVARSTAT *lpVarStat)
This constructor make a copy of *lpVarStat.
Definition lpvarstat.h:82
void status(const LPVARSTAT *stat)
Sets the status to stat.
Definition lpvarstat.h:112
STATUS status() const
Returns the LP-status.
Definition lpvarstat.h:100
LPVARSTAT()
This constructor initializes the status as Unknown.
Definition lpvarstat.h:70
friend std::ostream & operator<<(std::ostream &out, const LPVARSTAT &rhs)
The output operator.
bool basic() const
Returns true If the status is Basic, false otherwise.
Definition lpvarstat.h:120
#define OGDF_EXPORT
Specifies that a function or class is exported by the OGDF DLL.
Definition config.h:101
#define OGDF_NEW_DELETE
Makes the class use OGDF's memory allocator.
Definition memory.h:84