Cbc trunk
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Strategy base class. More...
#include <CbcStrategy.hpp>
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. | |
Protected Attributes | |
int | depth_ |
Model depth. | |
int | preProcessState_ |
PreProcessing state -. | |
CglPreProcess * | process_ |
If preprocessing then this is object. |
Strategy base class.
Definition at line 18 of file CbcStrategy.hpp.
CbcStrategy::CbcStrategy | ( | ) |
virtual CbcStrategy::~CbcStrategy | ( | ) | [virtual] |
virtual CbcStrategy* CbcStrategy::clone | ( | ) | const [pure virtual] |
Clone.
Implemented in CbcStrategyNull, CbcStrategyDefault, and CbcStrategyDefaultSubTree.
virtual void CbcStrategy::setupCutGenerators | ( | CbcModel & | model | ) | [pure virtual] |
Setup cut generators.
Implemented in CbcStrategyNull, CbcStrategyDefault, and CbcStrategyDefaultSubTree.
virtual void CbcStrategy::setupHeuristics | ( | CbcModel & | model | ) | [pure virtual] |
Setup heuristics.
Implemented in CbcStrategyNull, CbcStrategyDefault, and CbcStrategyDefaultSubTree.
virtual void CbcStrategy::setupPrinting | ( | CbcModel & | model, |
int | modelLogLevel | ||
) | [pure virtual] |
Do printing stuff.
Implemented in CbcStrategyNull, CbcStrategyDefault, and CbcStrategyDefaultSubTree.
virtual void CbcStrategy::setupOther | ( | CbcModel & | model | ) | [pure virtual] |
Other stuff e.g. strong branching and preprocessing.
Implemented in CbcStrategyNull, CbcStrategyDefault, and CbcStrategyDefaultSubTree.
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 * | ) | [inline, virtual] |
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
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.