LpBase::RowIt Class Reference

Detailed Description

Its usage is quite simple, for example, you can count the number of rows in an LP lp:

int count=0;
for (LpBase::RowIt c(lp); c!=INVALID; ++c) ++count;

#include <lemon/lp_base.h>

Inheritance diagram for LpBase::RowIt:

Public Member Functions
	RowIt ()
	Default constructor.
	RowIt (const LpBase &solver)
	Sets the iterator to the first Row.
	RowIt (const Invalid &)
	Invalid constructor & conversion.
RowIt &	operator++ ()
	Next row.
Public Member Functions inherited from LpBase::Row
	Row ()
	Default constructor.
	Row (const Invalid &)
	Invalid constructor & conversion.
bool	operator== (Row r) const
	Equality operator.
bool	operator!= (Row r) const
	Inequality operator.
bool	operator< (Row r) const
	Artificial ordering operator.

Constructor & Destructor Documentation

RowIt() [1/3]

RowIt ( )

inline

Warning

The default constructor sets the iterator to an undefined value.

RowIt() [2/3]

RowIt ( const LpBase & solver )

inline

Sets the iterator to the first Row.

RowIt() [3/3]

RowIt ( const Invalid & )

inline

Initialize the iterator to be invalid.

See also

Invalid for more details.

Member Function Documentation

operator++()

RowIt & operator++ ( )

inline

Assign the iterator to the next row.