KNumVar¶

class KNumVar : public KPtrArray<KNumVar>¶

Superclass of decision variables

Subclassed by KFloatVar, KIntVar

Public Types

enum Type¶

Variable types

Values:

enumerator IsKNumVar¶: Numeric variables.

enumerator IsKIntVar¶: Floating-point (continuous) variables.

enumerator IsKFloatVar¶: Integer variables.

Public Functions

KNumVar()¶: Default constructor.

KNumVar(KProblem &problem)¶: main constructor

KNumVar(KProblem *problem, KNumVar_I *numVar)¶: Constructor with KProblem and KNumVar_I.

KNumVar(KNumVar_I *numVar)¶: Constructor with KNumVar_I.

KNumVar(const KNumVar &toCopy)¶: Copy constructor.

KNumVar &operator=(const KNumVar &toCopy)¶: Assignment copy constructor.

virtual ~KNumVar()¶: Destructor.

virtual void instantiate(const double value)¶: Instantiate the variable to value.

KProblem *getProblem() const¶: returns the KProblem associated with this variable

virtual void setName(const char *name)¶: Set the name of the variable.

virtual double getInf() const¶: returns lower bound of this variable

virtual double getSup() const¶: returns upper bound of this variable

virtual double getValue(void) const¶: returns current instantiation of the variable (when the variable is not instantiated the returned value is undefined)

virtual bool getIsInstantiated() const¶: returns true if the variable has been assigned a value, false otherwhise

virtual int getDegree() const¶: returns the number of constraints where this variable appears

virtual double getTarget() const¶: get target value

virtual void setInf(double value)¶: set the lower bound to value

virtual void setSup(double value)¶: set the upper bound to value

virtual void setTarget(double value)¶: set the target value

virtual bool canBeInstantiatedTo(double value)¶: Return true if this variable can be instantiated to ‘value’.

virtual void useShaving(bool use)¶: activate shaving Y/N

virtual void setHidden(bool hidden)¶: Hidden variable Y/N.

virtual bool isHidden(void)¶: Return true iff this variable is hidden.

KNumVar *getCopyPtr() const¶: Return a copy of this object.

virtual void print(std::ostream &fout) const¶: Pretty printing.

virtual void print(void *ctx, PrintFunctionPtr *pfp) const¶: Pretty printing.

void printConstraints() const¶: Pretty print its constraints.

virtual int instanceof(void) const¶

Return the type of this variable

Parameters

KNumVar::IsKNumVar – for an instance of the class KNumVar
KNumVar::IsKIntVar – for an instance of the class KNumVar
KNumVar::IsKFloatVar – for an instance of the class KNumVar

virtual int getIndex() const¶: Return the index of the variable.