CbcStrategy Class Reference

Strategy base class. More...

#include <CbcStrategy.hpp>

Inheritance diagram for CbcStrategy:

Public Member Functions
	CbcStrategy ()
virtual	~CbcStrategy ()
virtual CbcStrategy *	clone () const =0
	Clone.
virtual void	setupCutGenerators (CbcModel &model)=0
	Setup cut generators.
virtual void	setupHeuristics (CbcModel &model)=0
	Setup heuristics.
virtual void	setupPrinting (CbcModel &model, int modelLogLevel)=0
	Do printing stuff.
virtual void	setupOther (CbcModel &model)=0
	Other stuff e.g. strong branching and preprocessing.
void	setNested (int depth)
	Set model depth (i.e. how nested)
int	getNested () const
	Get model depth (i.e. how nested)
void	setPreProcessState (int state)
	Say preProcessing done.
int	preProcessState () const
	See what sort of preprocessing was done.
CglPreProcess *	process () const
	Pre-processing object.
void	deletePreProcess ()
	Delete pre-processing object to save memory.
virtual CbcNodeInfo *	fullNodeInfo (CbcModel *model, int numberRowsAtContinuous) const
	Return a new Full node information pointer (descendant of CbcFullNodeInfo)
virtual CbcNodeInfo *	partialNodeInfo (CbcModel *model, CbcNodeInfo *parent, CbcNode *owner, int numberChangedBounds, const int *variables, const double *boundChanges, const CoinWarmStartDiff *basisDiff) const
	Return a new Partial node information pointer (descendant of CbcPartialNodeInfo)
virtual void	generateCpp (FILE *)
	Create C++ lines to get to current state.
virtual int	status (CbcModel *model, CbcNodeInfo *parent, int whereFrom)
	After a CbcModel::resolve this can return a status -1 no effect 0 treat as optimal 1 as 0 but do not do any more resolves (i.e.

Protected Attributes
int	depth_
	Model depth.
int	preProcessState_
	PreProcessing state - -1 infeasible 0 off 1 was done (so need post-processing)
CglPreProcess *	process_
	If preprocessing then this is object.

Private Member Functions
CbcStrategy &	operator= (const CbcStrategy &rhs)
	Illegal Assignment operator.

Detailed Description

Strategy base class.

Definition at line 18 of file CbcStrategy.hpp.

Constructor & Destructor Documentation

CbcStrategy()

CbcStrategy::CbcStrategy

(

)

~CbcStrategy()

virtual CbcStrategy::~CbcStrategy ( )

virtual

Member Function Documentation

clone()

virtual CbcStrategy * CbcStrategy::clone ( ) const

pure virtual

Clone.

Implemented in CbcStrategyDefault, CbcStrategyDefaultSubTree, and CbcStrategyNull.

setupCutGenerators()

virtual void CbcStrategy::setupCutGenerators ( CbcModel & model )

pure virtual

Setup cut generators.

Implemented in CbcStrategyDefault, CbcStrategyDefaultSubTree, and CbcStrategyNull.

setupHeuristics()

virtual void CbcStrategy::setupHeuristics ( CbcModel & model )

pure virtual

Setup heuristics.

Implemented in CbcStrategyDefault, CbcStrategyDefaultSubTree, and CbcStrategyNull.

setupPrinting()

virtual void CbcStrategy::setupPrinting ( CbcModel & model, int modelLogLevel )

pure virtual

Do printing stuff.

Implemented in CbcStrategyDefault, CbcStrategyDefaultSubTree, and CbcStrategyNull.

setupOther()

virtual void CbcStrategy::setupOther ( CbcModel & model )

pure virtual

Other stuff e.g. strong branching and preprocessing.

Implemented in CbcStrategyDefault, CbcStrategyDefaultSubTree, and CbcStrategyNull.

setNested()

void CbcStrategy::setNested ( int depth )

inline

Set model depth (i.e. how nested)

Definition at line 37 of file CbcStrategy.hpp.

getNested()

int CbcStrategy::getNested ( ) const

inline

Get model depth (i.e. how nested)

Definition at line 42 of file CbcStrategy.hpp.

setPreProcessState()

void CbcStrategy::setPreProcessState ( int state )

inline

Say preProcessing done.

Definition at line 47 of file CbcStrategy.hpp.

preProcessState()

int CbcStrategy::preProcessState ( ) const

inline

See what sort of preprocessing was done.

Definition at line 52 of file CbcStrategy.hpp.

process()

CglPreProcess * CbcStrategy::process ( ) const

inline

Pre-processing object.

Definition at line 57 of file CbcStrategy.hpp.

deletePreProcess()

void CbcStrategy::deletePreProcess

(

)

Delete pre-processing object to save memory.

fullNodeInfo()

virtual CbcNodeInfo * CbcStrategy::fullNodeInfo ( CbcModel * model, int numberRowsAtContinuous ) const

virtual

Return a new Full node information pointer (descendant of CbcFullNodeInfo)

partialNodeInfo()

virtual CbcNodeInfo * CbcStrategy::partialNodeInfo ( CbcModel * model, CbcNodeInfo * parent, CbcNode * owner, int numberChangedBounds, const int * variables, const double * boundChanges, const CoinWarmStartDiff * basisDiff ) const

virtual

Return a new Partial node information pointer (descendant of CbcPartialNodeInfo)

generateCpp()

virtual void CbcStrategy::generateCpp ( FILE * )

inlinevirtual

Create C++ lines to get to current state.

Reimplemented in CbcStrategyDefault.

Definition at line 71 of file CbcStrategy.hpp.

status()

virtual int CbcStrategy::status ( CbcModel * model, CbcNodeInfo * parent, int whereFrom )

virtual

After a CbcModel::resolve this can return a status -1 no effect 0 treat as optimal 1 as 0 but do not do any more resolves (i.e.

no more cuts) 2 treat as infeasible

operator=()

CbcStrategy & CbcStrategy::operator= ( const CbcStrategy & rhs )

private

Illegal Assignment operator.

Member Data Documentation

depth_

int CbcStrategy::depth_

protected

Model depth.

Definition at line 87 of file CbcStrategy.hpp.

preProcessState_

int CbcStrategy::preProcessState_

protected

PreProcessing state - -1 infeasible 0 off 1 was done (so need post-processing)

Definition at line 93 of file CbcStrategy.hpp.

process_

CglPreProcess* CbcStrategy::process_

protected

If preprocessing then this is object.

Definition at line 95 of file CbcStrategy.hpp.

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The documentation for this class was generated from the following file:

• /builddir/build/BUILD/coin-or-Cbc-2.10.12-build/Cbc-releases-2.10.12/Cbc/src/CbcStrategy.hpp