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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)
 
 RowIt (const Invalid &)
 Invalid constructor & conversion.
 
RowItoperator++ ()
 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 ( )
inline
Warning
The default constructor sets the iterator to an undefined value.
RowIt ( const LpBase solver)
inline

Sets the iterator to the first Row.

RowIt ( const Invalid )
inline

Initialize the iterator to be invalid.

See Also
Invalid for more details.

Member Function Documentation

RowIt& operator++ ( )
inline

Assign the iterator to the next row.