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List of all members | Public Member Functions
LpBase::ColIt Class Reference

Detailed Description

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

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

#include <lemon/lp_base.h>

+ Inheritance diagram for LpBase::ColIt:

Public Member Functions

 ColIt ()
 Default constructor.
 
 ColIt (const LpBase &solver)
 
 ColIt (const Invalid &)
 Invalid constructor & conversion.
 
ColItoperator++ ()
 Next column.
 
- Public Member Functions inherited from LpBase::Col
 Col ()
 Default constructor.
 
 Col (const Invalid &)
 Invalid constructor & conversion.
 
bool operator== (Col c) const
 Equality operator.
 
bool operator!= (Col c) const
 Inequality operator.
 
bool operator< (Col c) const
 Artificial ordering operator.
 

Constructor & Destructor Documentation

ColIt ( )
inline
Warning
The default constructor sets the iterator to an undefined value.
ColIt ( const LpBase solver)
inline

Sets the iterator to the first Col.

ColIt ( const Invalid )
inline

Initialize the iterator to be invalid.

See Also
Invalid for more details.

Member Function Documentation

ColIt& operator++ ( )
inline

Assign the iterator to the next column.