Cbc  2.9.9
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CbcStrategy Class Referenceabstract

Strategy base class. More...

#include <CbcStrategy.hpp>

+ Inheritance diagram for CbcStrategy:
+ Collaboration diagram for CbcStrategy:

Public Member Functions

 CbcStrategy ()
 
virtual ~CbcStrategy ()
 
virtual CbcStrategyclone () const =0
 Clone. More...
 
virtual void setupCutGenerators (CbcModel &model)=0
 Setup cut generators. More...
 
virtual void setupHeuristics (CbcModel &model)=0
 Setup heuristics. More...
 
virtual void setupPrinting (CbcModel &model, int modelLogLevel)=0
 Do printing stuff. More...
 
virtual void setupOther (CbcModel &model)=0
 Other stuff e.g. strong branching and preprocessing. More...
 
void setNested (int depth)
 Set model depth (i.e. how nested) More...
 
int getNested () const
 Get model depth (i.e. how nested) More...
 
void setPreProcessState (int state)
 Say preProcessing done. More...
 
int preProcessState () const
 See what sort of preprocessing was done. More...
 
CglPreProcessprocess () const
 Pre-processing object. More...
 
void deletePreProcess ()
 Delete pre-processing object to save memory. More...
 
virtual CbcNodeInfofullNodeInfo (CbcModel *model, int numberRowsAtContinuous) const
 Return a new Full node information pointer (descendant of CbcFullNodeInfo) More...
 
virtual CbcNodeInfopartialNodeInfo (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) More...
 
virtual void generateCpp (FILE *)
 Create C++ lines to get to current state. More...
 
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. More...
 

Protected Attributes

int depth_
 Model depth. More...
 
int preProcessState_
 PreProcessing state - -1 infeasible 0 off 1 was done (so need post-processing) More...
 
CglPreProcessprocess_
 If preprocessing then this is object. More...
 

Private Member Functions

CbcStrategyoperator= (const CbcStrategy &rhs)
 Illegal Assignment operator. More...
 

Detailed Description

Strategy base class.

Definition at line 18 of file CbcStrategy.hpp.

Constructor & Destructor Documentation

CbcStrategy::CbcStrategy ( )
virtual CbcStrategy::~CbcStrategy ( )
virtual

Member Function Documentation

virtual CbcStrategy* CbcStrategy::clone ( ) const
pure virtual
virtual void CbcStrategy::setupCutGenerators ( CbcModel model)
pure virtual

Setup cut generators.

Implemented in CbcStrategyDefaultSubTree, CbcStrategyDefault, and CbcStrategyNull.

virtual void CbcStrategy::setupHeuristics ( CbcModel model)
pure virtual

Setup heuristics.

Implemented in CbcStrategyDefaultSubTree, CbcStrategyDefault, and CbcStrategyNull.

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

Do printing stuff.

Implemented in CbcStrategyDefaultSubTree, CbcStrategyDefault, and CbcStrategyNull.

virtual void CbcStrategy::setupOther ( CbcModel model)
pure virtual

Other stuff e.g. strong branching and preprocessing.

Implemented in CbcStrategyDefaultSubTree, CbcStrategyDefault, and CbcStrategyNull.

void CbcStrategy::setNested ( int  depth)
inline

Set model depth (i.e. how nested)

Definition at line 37 of file CbcStrategy.hpp.

int CbcStrategy::getNested ( ) const
inline

Get model depth (i.e. how nested)

Definition at line 41 of file CbcStrategy.hpp.

void CbcStrategy::setPreProcessState ( int  state)
inline

Say preProcessing done.

Definition at line 45 of file CbcStrategy.hpp.

int CbcStrategy::preProcessState ( ) const
inline

See what sort of preprocessing was done.

Definition at line 49 of file CbcStrategy.hpp.

CglPreProcess* CbcStrategy::process ( ) const
inline

Pre-processing object.

Definition at line 53 of file CbcStrategy.hpp.

void CbcStrategy::deletePreProcess ( )

Delete pre-processing object to save memory.

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

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

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)

virtual void CbcStrategy::generateCpp ( FILE *  )
inlinevirtual

Create C++ lines to get to current state.

Reimplemented in CbcStrategyDefault.

Definition at line 66 of file CbcStrategy.hpp.

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

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

Illegal Assignment operator.

Member Data Documentation

int CbcStrategy::depth_
protected

Model depth.

Definition at line 81 of file CbcStrategy.hpp.

int CbcStrategy::preProcessState_
protected

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

Definition at line 87 of file CbcStrategy.hpp.

CglPreProcess* CbcStrategy::process_
protected

If preprocessing then this is object.

Definition at line 89 of file CbcStrategy.hpp.


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