ClpPrimalColumnDantzig Class Reference

Primal Column Pivot Dantzig Algorithm Class. More...

#include <ClpPrimalColumnDantzig.hpp>

Inheritance diagram for ClpPrimalColumnDantzig:
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List of all members.

Public Member Functions

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)
 Just sets model.
Constructors and destructors
 ClpPrimalColumnDantzig ()
 Default Constructor.
 ClpPrimalColumnDantzig (const ClpPrimalColumnDantzig &)
 Copy constructor.
ClpPrimalColumnDantzigoperator= (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 17 of file ClpPrimalColumnDantzig.hpp.


Constructor & Destructor Documentation

Default Constructor.

Copy constructor.

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   
) [inline, virtual]

Just sets model.

Implements ClpPrimalColumnPivot.

Definition at line 38 of file ClpPrimalColumnDantzig.hpp.

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: