Dual Row Pivot Dantzig Algorithm Class. More...

#include <ClpDualRowDantzig.hpp>

Inheritance diagram for ClpDualRowDantzig:

Collaboration diagram for ClpDualRowDantzig:

Public Member Functions
Algorithmic methods
virtual int	pivotRow ()
	Returns pivot row, -1 if none. More...

virtual double	updateWeights (CoinIndexedVector input, CoinIndexedVector spare, CoinIndexedVector spare2, CoinIndexedVector updatedColumn)
	Updates weights and returns pivot alpha. More...

virtual void	updatePrimalSolution (CoinIndexedVector *input, double theta, double &changeInObjective)
	Updates primal solution (and maybe list of candidates) Uses input vector which it deletes Computes change in objective function. More...

Constructors and destructors
	ClpDualRowDantzig ()
	Default Constructor. More...

	ClpDualRowDantzig (const ClpDualRowDantzig &)
	Copy constructor. More...

ClpDualRowDantzig &	operator= (const ClpDualRowDantzig &rhs)
	Assignment operator. More...

virtual	~ClpDualRowDantzig ()
	Destructor. More...

virtual ClpDualRowPivot *	clone (bool copyData=true) const
	Clone. More...

Public Member Functions inherited from ClpDualRowPivot
virtual void	saveWeights (ClpSimplex *model, int mode)
	Saves any weights round factorization as pivot rows may change Will be empty unless steepest edge (will save model) May also recompute infeasibility stuff 1) before factorization 2) after good factorization (if weights empty may initialize) 3) after something happened but no factorization (e.g. More...

virtual void	checkAccuracy ()
	checks accuracy and may re-initialize (may be empty) More...

virtual void	unrollWeights ()
	Gets rid of last update (may be empty) More...

virtual void	clearArrays ()
	Gets rid of all arrays (may be empty) More...

virtual bool	looksOptimal () const
	Returns true if would not find any row. More...

virtual void	maximumPivotsChanged ()
	Called when maximum pivots changes. More...

	ClpDualRowPivot ()
	Default Constructor. More...

	ClpDualRowPivot (const ClpDualRowPivot &)
	Copy constructor. More...

ClpDualRowPivot &	operator= (const ClpDualRowPivot &rhs)
	Assignment operator. More...

virtual	~ClpDualRowPivot ()
	Destructor. More...

ClpSimplex *	model ()
	Returns model. More...

void	setModel (ClpSimplex *newmodel)
	Sets model (normally to NULL) More...

int	type ()
	Returns type (above 63 is extra information) More...

Additional Inherited Members
Protected Attributes inherited from ClpDualRowPivot
ClpSimplex *	model_
	Pointer to model. More...

int	type_
	Type of row pivot algorithm. More...

Detailed Description

Dual Row Pivot Dantzig Algorithm Class.

This is simplest choice - choose largest infeasibility

Definition at line 19 of file ClpDualRowDantzig.hpp.

Constructor & Destructor Documentation

◆ ClpDualRowDantzig() [1/2]

ClpDualRowDantzig::ClpDualRowDantzig ( )

Default Constructor.

◆ ClpDualRowDantzig() [2/2]

ClpDualRowDantzig::ClpDualRowDantzig ( const ClpDualRowDantzig & )

Copy constructor.

◆ ~ClpDualRowDantzig()

virtual ClpDualRowDantzig::~ClpDualRowDantzig ( )

virtual

Destructor.

Member Function Documentation

◆ pivotRow()

virtual int ClpDualRowDantzig::pivotRow ( )

virtual

Returns pivot row, -1 if none.

Implements ClpDualRowPivot.

Reimplemented in ClpPEDualRowDantzig.

◆ updateWeights()

virtual double ClpDualRowDantzig::updateWeights	(	CoinIndexedVector *	input,
		CoinIndexedVector *	spare,
		CoinIndexedVector *	spare2,
		CoinIndexedVector *	updatedColumn
	)