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ClpPrimalColumnDantzig Class Reference

Primal Column Pivot Dantzig Algorithm Class. More...

#include <ClpPrimalColumnDantzig.hpp>

Inheritance diagram for ClpPrimalColumnDantzig:

ClpPrimalColumnPivot List of all members.

Public Methods

Algorithmic methods
virtual int pivotColumn (CoinIndexedVector *updates, CoinIndexedVector *spareRow1, CoinIndexedVector *spareRow2, CoinIndexedVector *spareColumn1, CoinIndexedVector *spareColumn2)
 Returns pivot column, -1 if none.

virtual void saveWeights (ClpSimplex *model, int mode)
 Just sets model.

Constructors and destructors
 ClpPrimalColumnDantzig ()
 Default Constructor.

 ClpPrimalColumnDantzig (const ClpPrimalColumnDantzig &)
 Copy constructor.

ClpPrimalColumnDantzig & operator= (const ClpPrimalColumnDantzig &rhs)
 Assignment operator.

virtual ~ClpPrimalColumnDantzig ()
 Destructor.

virtual ClpPrimalColumnPivotclone (bool copyData=true) const
 Clone.


Detailed Description

Primal Column Pivot Dantzig Algorithm Class.

This is simplest choice - choose largest infeasibility

Definition at line 16 of file ClpPrimalColumnDantzig.hpp.


Constructor & Destructor Documentation

ClpPrimalColumnDantzig::ClpPrimalColumnDantzig  
 

Default Constructor.

ClpPrimalColumnDantzig::ClpPrimalColumnDantzig const ClpPrimalColumnDantzig &   
 

Copy constructor.

virtual ClpPrimalColumnDantzig::~ClpPrimalColumnDantzig   [virtual]
 

Destructor.


Member Function Documentation

virtual int ClpPrimalColumnDantzig::pivotColumn CoinIndexedVector *    updates,
CoinIndexedVector *    spareRow1,
CoinIndexedVector *    spareRow2,
CoinIndexedVector *    spareColumn1,
CoinIndexedVector *    spareColumn2
[virtual]
 

Returns pivot column, -1 if none.

Lumbers over all columns - slow The Packed CoinIndexedVector updates has cost updates - for normal LP that is just +-weight where a feasibility changed. It also has reduced cost from last iteration in pivot row Can just do full price if you really want to be slow

Implements ClpPrimalColumnPivot.

virtual void ClpPrimalColumnDantzig::saveWeights ClpSimplex   model,
int    mode
[inline, virtual]
 

Just sets model.

Implements ClpPrimalColumnPivot.

Definition at line 37 of file ClpPrimalColumnDantzig.hpp.

References ClpPrimalColumnPivot::model_.

ClpPrimalColumnDantzig& ClpPrimalColumnDantzig::operator= const ClpPrimalColumnDantzig &    rhs
 

Assignment operator.

virtual ClpPrimalColumnPivot* ClpPrimalColumnDantzig::clone bool    copyData = true const [virtual]
 

Clone.

Implements ClpPrimalColumnPivot.


The documentation for this class was generated from the following file:
Generated on Fri Aug 6 02:01:36 2004 by doxygen1.3-rc2