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MinCostArborescence< GR, CM, TR >::DualIt Class Reference

Detailed Description

template<typename GR, typename CM, typename TR>
class lemon::MinCostArborescence< GR, CM, TR >::DualIt

This class provides a common style LEMON iterator for getting a dual variable of MinCostArborescence algorithm. It iterates over a subset of the nodes.

#include <lemon/min_cost_arborescence.h>

Public Member Functions

 DualIt (const MinCostArborescence &algorithm, int variable)
 Constructor.
 
 operator Node () const
 
DualItoperator++ ()
 
bool operator== (Invalid) const
 Validity checking.
 
bool operator!= (Invalid) const
 Validity checking.
 

Constructor & Destructor Documentation

DualIt ( const MinCostArborescence algorithm,
int  variable 
)
inline

Constructor for getting the nodeset of the dual variable of MinCostArborescence algorithm.

Member Function Documentation

operator Node ( ) const
inline

Conversion to Node.

DualIt& operator++ ( )
inline

Increment operator.

bool operator== ( Invalid  ) const
inline

Checks whether the iterator is invalid.

bool operator!= ( Invalid  ) const
inline

Checks whether the iterator is valid.