6 #ifndef CbcCutGenerator_H 7 #define CbcCutGenerator_H 9 #include "OsiSolverInterface.hpp" 10 #include "OsiCuts.hpp" 11 #include "CglCutGenerator.hpp" 16 class OsiRowCutDebugger;
71 bool generateCuts( OsiCuts &cs,
int fullScan, OsiSolverInterface * solver,
83 int howOften = 1,
const char * name = NULL,
85 bool infeasible =
false,
int howOftenInsub = -100,
109 return generatorName_;
132 return whenCutGenerator_;
136 return whenCutGeneratorInSub_;
162 return depthCutGenerator_;
166 return depthCutGeneratorInSub_;
170 { maximumTries_ = value;}
173 {
return maximumTries_;}
181 return (switches_&1) != 0;
186 switches_ |= value ? 1 : 0;
190 return (switches_&2) != 0;
195 switches_ |= value ? 2 : 0;
201 return (switches_&4) != 0;
208 switches_ |= value ? 4 : 0;
212 return (switches_&64) != 0;
217 switches_ |= value ? 64 : 0;
218 timeInCutGenerator_ = 0.0;
222 return timeInCutGenerator_;
225 timeInCutGenerator_ += value;
236 numberTimes_ = value;
239 numberTimes_ += value;
249 numberCuts_ += value;
253 return numberElements_;
256 numberElements_ = value;
259 numberElements_ += value;
263 return numberColumnCuts_;
266 numberColumnCuts_ = value;
269 numberColumnCuts_ += value;
273 return numberCutsActive_;
276 numberCutsActive_ = value;
279 numberCutsActive_ += value;
282 switchOffIfLessThan_ = value;
285 return switchOffIfLessThan_;
289 return (switches_&128) != 0;
294 switches_ |= yesNo ? 128 : 0;
298 return (switches_&8) != 0;
303 switches_ |= yesNo ? 8 : 0;
307 return (switches_&16) != 0;
312 switches_ |= yesNo ? 16 : 0;
316 return (switches_&512) != 0;
321 switches_ |= yesNo ? 512 : 0;
325 return (switches_&1024) != 0;
330 switches_ |= yesNo ? 1024 : 0;
334 return (switches_&2048) != 0;
339 switches_ |= yesNo ? 2048 : 0;
343 return (switches_&4096) != 0;
348 switches_ |= yesNo ? 4096 : 0;
352 return numberCutsAtRoot_;
355 numberCutsAtRoot_ = value;
359 return numberActiveCutsAtRoot_;
362 numberActiveCutsAtRoot_ = value;
366 return numberShortCutsAtRoot_;
369 numberShortCutsAtRoot_ = value;
377 return (switches_&32) != 0;
382 switches_ |= yesNo ? 32 : 0;
386 return (switches_&256) != 0;
391 switches_ |= yesNo ? 256 : 0;
406 double timeInCutGenerator_;
411 CglCutGenerator * generator_;
414 char * generatorName_;
419 int whenCutGenerator_;
423 int whenCutGeneratorInSub_;
426 int switchOffIfLessThan_;
431 int depthCutGenerator_;
437 int depthCutGeneratorInSub_;
448 int numberColumnCuts_;
450 int numberCutsActive_;
452 int numberCutsAtRoot_;
454 int numberActiveCutsAtRoot_;
456 int numberShortCutsAtRoot_;
464 # define SCANCUTS 1000 466 # define SCANCUTS_PROBING 1000 int maximumTries() const
Get maximum number of times to enter.
bool globalCuts() const
Whether global cuts.
bool normal() const
Get whether the cut generator should be called in the normal place.
bool whenInfeasible() const
Get whether the cut generator should be called when the subproblem is found to be infeasible...
void setNumberColumnCuts(int value)
void setWhatDepth(int value)
Set the cut generation depth.
int switches() const
Get switches (for debug)
int numberColumnCuts() const
Total number of column cuts.
void setNormal(bool value)
Set whether the cut generator should be called in the normal place.
void setWhetherToUse(bool yesNo)
Set whether to use if any cuts generated.
void setIneffectualCuts(bool yesNo)
Set whether last round of cuts did little.
void setNumberCutsInTotal(int value)
int numberCutsAtRoot() const
Number of cuts generated at root.
const char * cutGeneratorName() const
return name of generator
void incrementNumberCutsInTotal(int value=1)
int numberCutsInTotal() const
Total number of cuts added.
bool whetherToUse() const
Whether to use if any cuts generated.
int whatDepthInSub() const
Get the cut generation depth criterion.in sub tree.
void setWhenInfeasible(bool value)
Set whether the cut generator should be called when the subproblem is found to be infeasible...
bool mustCallAgain() const
Whether generator MUST be called again if any cuts (i.e. ignore break from loop)
CbcCutGenerator & operator=(const CbcCutGenerator &rhs)
Assignment operator.
int inaccuracy() const
Get level of cut inaccuracy (0 means exact e.g. cliques)
double timeInCutGenerator() const
Return time taken in cut generator.
void setGlobalCuts(bool yesNo)
Set whether global cuts.
int switchOffIfLessThan() const
void setNumberCutsAtRoot(int value)
bool generateCuts(OsiCuts &cs, int fullScan, OsiSolverInterface *solver, CbcNode *node)
Generate cuts for the client model.
int howOften() const
Get the cut generation interval.
void setTiming(bool value)
Set whether the cut generator is being timed.
int numberActiveCutsAtRoot() const
Number of cuts active at root.
bool timing() const
Get whether the cut generator is being timed.
bool ineffectualCuts() const
Whether last round of cuts did little.
void setNeedsOptimalBasis(bool yesNo)
Set if optimal basis needed.
void setWhetherInMustCallAgainMode(bool yesNo)
Set whether in must call again mode (or after others)
void setNumberShortCutsAtRoot(int value)
void setAtSolution(bool value)
Set whether the cut generator should be called when a solution is found.
void setSwitchedOff(bool yesNo)
Set whether generator switched off for moment.
void incrementNumberColumnCuts(int value=1)
int numberTimesEntered() const
Number times cut generator entered.
void refreshModel(CbcModel *model)
Set the client model.
void setNumberTimesEntered(int value)
Information required while the node is live.
bool atSolution() const
Get whether the cut generator should be called when a solution is found.
void setNumberCutsActive(int value)
bool switchedOff() const
Whether generator switched off for moment.
void setWhetherCallAtEnd(bool yesNo)
Set whether to call at end.
~CbcCutGenerator()
Destructor.
bool needsOptimalBasis() const
Say if optimal basis needed.
CglCutGenerator * generator() const
Get the CglCutGenerator corresponding to this CbcCutGenerator.
void generateTuning(FILE *fp)
Create C++ lines to show how to tune.
void scaleBackStatistics(int factor)
Scale back statistics by factor.
void setMaximumTries(int value)
Set maximum number of times to enter.
void setModel(CbcModel *model)
Set model.
void setGlobalCutsAtRoot(bool yesNo)
Set whether global cuts at root.
bool whetherCallAtEnd() const
Whether to call at end.
int numberShortCutsAtRoot() const
Number of short cuts at root.
void incrementNumberCutsActive(int value=1)
void setInaccuracy(int level)
Set level of cut inaccuracy (0 means exact e.g. cliques)
void setNumberElementsInTotal(int value)
bool globalCutsAtRoot() const
Whether global cuts at root.
void setWhatDepthInSub(int value)
Set the cut generation depth in sub tree.
CbcCutGenerator()
Default constructor.
int numberElementsInTotal() const
Total number of elements added.
void setNumberActiveCutsAtRoot(int value)
void setMustCallAgain(bool yesNo)
Set whether generator MUST be called again if any cuts (i.e. ignore break from loop) ...
bool whetherInMustCallAgainMode() const
Whether in must call again mode (or after others)
Interface between Cbc and Cut Generation Library.
int howOftenInSub() const
Get the cut generation interval.in sub tree.
int numberCutsActive() const
Total number of cuts active after (at end of n cut passes at each node)
void addStatistics(const CbcCutGenerator *other)
Add in statistics from other.
void setSwitchOffIfLessThan(int value)
Simple Branch and bound class.
void setHowOften(int value)
Set the cut generation interval.
void incrementTimeInCutGenerator(double value)
void incrementNumberElementsInTotal(int value=1)
void incrementNumberTimesEntered(int value=1)
int whatDepth() const
Get the cut generation depth criterion.