Scippy

SCIP

Solving Constraint Integer Programs

Functions
Separators
Public API of SCIP » Core API » Methods for managing plugins

Detailed Description

methods for separator plugins

Functions

 SCIP_DECL_SORTPTRCOMP (SCIPsepaComp)
 
 SCIP_DECL_SORTPTRCOMP (SCIPsepaCompName)
 
SCIP_SEPADATA * SCIPsepaGetData (SCIP_SEPA *sepa)
 
void SCIPsepaSetData (SCIP_SEPA *sepa, SCIP_SEPADATA *sepadata)
 
const char * SCIPsepaGetName (SCIP_SEPA *sepa)
 
const char * SCIPsepaGetDesc (SCIP_SEPA *sepa)
 
int SCIPsepaGetPriority (SCIP_SEPA *sepa)
 
int SCIPsepaGetFreq (SCIP_SEPA *sepa)
 
void SCIPsepaSetFreq (SCIP_SEPA *sepa, int freq)
 
SCIP_Real SCIPsepaGetMaxbounddist (SCIP_SEPA *sepa)
 
SCIP_Bool SCIPsepaUsesSubscip (SCIP_SEPA *sepa)
 
SCIP_Real SCIPsepaGetSetupTime (SCIP_SEPA *sepa)
 
SCIP_Real SCIPsepaGetTime (SCIP_SEPA *sepa)
 
SCIP_Longint SCIPsepaGetNCalls (SCIP_SEPA *sepa)
 
int SCIPsepaGetNCallsAtNode (SCIP_SEPA *sepa)
 
SCIP_Longint SCIPsepaGetNCutoffs (SCIP_SEPA *sepa)
 
SCIP_Longint SCIPsepaGetNCutsFound (SCIP_SEPA *sepa)
 
SCIP_Longint SCIPsepaGetNCutsApplied (SCIP_SEPA *sepa)
 
SCIP_Longint SCIPsepaGetNCutsFoundAtNode (SCIP_SEPA *sepa)
 
SCIP_Longint SCIPsepaGetNConssFound (SCIP_SEPA *sepa)
 
SCIP_Longint SCIPsepaGetNDomredsFound (SCIP_SEPA *sepa)
 
SCIP_Bool SCIPsepaIsDelayed (SCIP_SEPA *sepa)
 
SCIP_Bool SCIPsepaWasLPDelayed (SCIP_SEPA *sepa)
 
SCIP_Bool SCIPsepaWasSolDelayed (SCIP_SEPA *sepa)
 
SCIP_Bool SCIPsepaIsInitialized (SCIP_SEPA *sepa)
 
SCIP_Bool SCIPsepaIsParentsepa (SCIP_SEPA *sepa)
 
SCIP_SEPA * SCIPsepaGetParentsepa (SCIP_SEPA *sepa)
 
SCIP_RETCODE SCIPincludeSepa (SCIP *scip, const char *name, const char *desc, int priority, int freq, SCIP_Real maxbounddist, SCIP_Bool usessubscip, SCIP_Bool delay, SCIP_DECL_SEPACOPY((*sepacopy)), SCIP_DECL_SEPAFREE((*sepafree)), SCIP_DECL_SEPAINIT((*sepainit)), SCIP_DECL_SEPAEXIT((*sepaexit)), SCIP_DECL_SEPAINITSOL((*sepainitsol)), SCIP_DECL_SEPAEXITSOL((*sepaexitsol)), SCIP_DECL_SEPAEXECLP((*sepaexeclp)), SCIP_DECL_SEPAEXECSOL((*sepaexecsol)), SCIP_SEPADATA *sepadata)
 
SCIP_RETCODE SCIPincludeSepaBasic (SCIP *scip, SCIP_SEPA **sepa, const char *name, const char *desc, int priority, int freq, SCIP_Real maxbounddist, SCIP_Bool usessubscip, SCIP_Bool delay, SCIP_DECL_SEPAEXECLP((*sepaexeclp)), SCIP_DECL_SEPAEXECSOL((*sepaexecsol)), SCIP_SEPADATA *sepadata)
 
SCIP_RETCODE SCIPsetSepaCopy (SCIP *scip, SCIP_SEPA *sepa, SCIP_DECL_SEPACOPY((*sepacopy)))
 
SCIP_RETCODE SCIPsetSepaFree (SCIP *scip, SCIP_SEPA *sepa, SCIP_DECL_SEPAFREE((*sepafree)))
 
SCIP_RETCODE SCIPsetSepaInit (SCIP *scip, SCIP_SEPA *sepa, SCIP_DECL_SEPAINIT((*sepainit)))
 
SCIP_RETCODE SCIPsetSepaExit (SCIP *scip, SCIP_SEPA *sepa, SCIP_DECL_SEPAEXIT((*sepaexit)))
 
SCIP_RETCODE SCIPsetSepaInitsol (SCIP *scip, SCIP_SEPA *sepa, SCIP_DECL_SEPAINITSOL((*sepainitsol)))
 
SCIP_RETCODE SCIPsetSepaExitsol (SCIP *scip, SCIP_SEPA *sepa, SCIP_DECL_SEPAEXITSOL((*sepaexitsol)))
 
SCIP_SEPA * SCIPfindSepa (SCIP *scip, const char *name)
 
SCIP_SEPA ** SCIPgetSepas (SCIP *scip)
 
int SCIPgetNSepas (SCIP *scip)
 
SCIP_RETCODE SCIPsetSepaPriority (SCIP *scip, SCIP_SEPA *sepa, int priority)
 
void SCIPsetSepaIsParentsepa (SCIP *scip, SCIP_SEPA *sepa)
 
void SCIPsetSepaParentsepa (SCIP *scip, SCIP_SEPA *sepa, SCIP_SEPA *parentsepa)
 
SCIP_Real SCIPgetSepaMinEfficacy (SCIP *scip)
 

Function Documentation

◆ SCIP_DECL_SORTPTRCOMP() [1/2]

SCIP_DECL_SORTPTRCOMP ( SCIPsepaComp  )

compares two separators w. r. to their priority

Definition at line 43 of file sepa.c.

◆ SCIP_DECL_SORTPTRCOMP() [2/2]

SCIP_DECL_SORTPTRCOMP ( SCIPsepaCompName  )

comparison method for sorting separators w.r.t. to their name

Definition at line 49 of file sepa.c.

References SCIPsepaGetName().

◆ SCIPsepaGetData()

SCIP_SEPADATA* SCIPsepaGetData ( SCIP_SEPA *  sepa)

gets user data of separator

Parameters
sepaseparator

Definition at line 610 of file sepa.c.

References NULL, and SCIP_Sepa::sepadata.

Referenced by aggregation(), doSeparation(), freeSubscip(), generateCut(), SCIP_DECL_SEPACOPY(), SCIP_DECL_SEPAEXECLP(), SCIP_DECL_SEPAEXECSOL(), SCIP_DECL_SEPAEXIT(), SCIP_DECL_SEPAEXITSOL(), SCIP_DECL_SEPAFREE(), SCIP_DECL_SEPAINIT(), SCIP_DECL_SEPAINITSOL(), SCIPfindObjSepa(), SCIPgetObjSepa(), SCIPsetBasePointClosecuts(), separateCuts(), separateOddCycles(), and separatePoint().

◆ SCIPsepaSetData()

void SCIPsepaSetData ( SCIP_SEPA *  sepa,
SCIP_SEPADATA *  sepadata 
)

sets user data of separator; user has to free old data in advance!

Parameters
sepaseparator
sepadatanew separator user data

Definition at line 620 of file sepa.c.

References NULL, and SCIP_Sepa::sepadata.

Referenced by SCIP_DECL_SEPAFREE().

◆ SCIPsepaGetName()

const char* SCIPsepaGetName ( SCIP_SEPA *  sepa)

gets name of separator

Parameters
sepaseparator

Definition at line 720 of file sepa.c.

References SCIP_Sepa::name, and NULL.

Referenced by generateDisjCutSOS1(), paramsetSetSeparatingAggressive(), paramsetSetSeparatingDefault(), paramsetSetSeparatingOff(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_SEPACOPY(), SCIP_DECL_SEPAEXECLP(), SCIP_DECL_SEPAEXECSOL(), SCIP_DECL_SEPAEXITSOL(), SCIP_DECL_SEPAFREE(), SCIP_DECL_SEPAINITSOL(), SCIP_DECL_SORTPTRCOMP(), SCIPcopyConcurrentSolvingStats(), SCIPincludeDialogDefaultFix(), SCIPincludeDialogDefaultSet(), SCIPparamsetSetToSubscipsOff(), SCIPprintSeparatorStatistics(), SCIPsepaCopyInclude(), SCIPsetBasePointClosecuts(), separateCuts(), separateSequLiftedExtendedWeightInequality(), separateSequLiftedMinimalCoverInequality(), separateSupLiftedMinimalCoverInequality(), separationRoundLP(), and separationRoundSol().

◆ SCIPsepaGetDesc()

const char* SCIPsepaGetDesc ( SCIP_SEPA *  sepa)

gets description of separator

Parameters
sepaseparator

Definition at line 730 of file sepa.c.

References SCIP_Sepa::desc, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC(), SCIPincludeDialogDefaultFix(), and SCIPincludeDialogDefaultSet().

◆ SCIPsepaGetPriority()

int SCIPsepaGetPriority ( SCIP_SEPA *  sepa)

gets priority of separator

Parameters
sepaseparator

Definition at line 740 of file sepa.c.

References NULL, and SCIP_Sepa::priority.

Referenced by SCIP_DECL_DIALOGEXEC(), separationRoundLP(), and separationRoundSol().

◆ SCIPsepaGetFreq()

int SCIPsepaGetFreq ( SCIP_SEPA *  sepa)

gets frequency of separator

Parameters
sepaseparator

Definition at line 764 of file sepa.c.

References SCIP_Sepa::freq, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC(), SCIP_DECL_SEPAEXECLP(), and separateCuts().

◆ SCIPsepaSetFreq()

void SCIPsepaSetFreq ( SCIP_SEPA *  sepa,
int  freq 
)

sets frequency of separator

Parameters
sepaseparator
freqnew frequency of separator

Definition at line 774 of file sepa.c.

References SCIP_Sepa::freq, and NULL.

◆ SCIPsepaGetMaxbounddist()

SCIP_Real SCIPsepaGetMaxbounddist ( SCIP_SEPA *  sepa)

get maximal bound distance at which the separator is called

Parameters
sepaseparator

Definition at line 785 of file sepa.c.

References SCIP_Sepa::maxbounddist, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC().

◆ SCIPsepaUsesSubscip()

SCIP_Bool SCIPsepaUsesSubscip ( SCIP_SEPA *  sepa)

does the separator use a secondary SCIP instance?

Parameters
sepaseparator

Definition at line 795 of file sepa.c.

References NULL, and SCIP_Sepa::usessubscip.

Referenced by SCIPparamsetSetToSubscipsOff().

◆ SCIPsepaGetSetupTime()

SCIP_Real SCIPsepaGetSetupTime ( SCIP_SEPA *  sepa)

gets time in seconds used in this separator for setting up for next stages

Parameters
sepaseparator

Definition at line 817 of file sepa.c.

References NULL, SCIPclockGetTime(), and SCIP_Sepa::setuptime.

Referenced by SCIPprintSeparatorStatistics().

◆ SCIPsepaGetTime()

SCIP_Real SCIPsepaGetTime ( SCIP_SEPA *  sepa)

gets time in seconds used in this separator

Parameters
sepaseparator

Definition at line 827 of file sepa.c.

References NULL, SCIPclockGetTime(), and SCIP_Sepa::sepaclock.

Referenced by SCIPprintSeparatorStatistics(), and separateOddCycles().

◆ SCIPsepaGetNCalls()

SCIP_Longint SCIPsepaGetNCalls ( SCIP_SEPA *  sepa)

gets the total number of times, the separator was called

Parameters
sepaseparator

Definition at line 837 of file sepa.c.

References SCIP_Sepa::ncalls, and NULL.

Referenced by SCIPprintSeparatorStatistics(), and separateCuts().

◆ SCIPsepaGetNCallsAtNode()

int SCIPsepaGetNCallsAtNode ( SCIP_SEPA *  sepa)

gets the number of times, the separator was called at the current node

Parameters
sepaseparator

Definition at line 847 of file sepa.c.

References SCIP_Sepa::ncallsatnode, and NULL.

Referenced by doSeparation(), SCIP_DECL_SEPAEXECLP(), SCIP_DECL_SEPAEXECSOL(), separateCuts(), and separateOddCycles().

◆ SCIPsepaGetNCutoffs()

SCIP_Longint SCIPsepaGetNCutoffs ( SCIP_SEPA *  sepa)

gets total number of times, the separator detected a cutoff

Parameters
sepaseparator

Definition at line 857 of file sepa.c.

References SCIP_Sepa::ncutoffs, and NULL.

Referenced by SCIPprintSeparatorStatistics().

◆ SCIPsepaGetNCutsFound()

SCIP_Longint SCIPsepaGetNCutsFound ( SCIP_SEPA *  sepa)

gets the total number of cutting planes found by this separator

Parameters
sepaseparator

Definition at line 867 of file sepa.c.

References SCIP_Sepa::ncutsfound, and NULL.

Referenced by SCIPprintSeparatorStatistics(), separateSequLiftedExtendedWeightInequality(), separateSequLiftedMinimalCoverInequality(), and separateSupLiftedMinimalCoverInequality().

◆ SCIPsepaGetNCutsApplied()

SCIP_Longint SCIPsepaGetNCutsApplied ( SCIP_SEPA *  sepa)

gets the total number of cutting planes applied to lp

Parameters
sepaseparator

Definition at line 877 of file sepa.c.

References SCIP_Sepa::ncutsapplied, and NULL.

Referenced by SCIPprintSeparatorStatistics().

◆ SCIPsepaGetNCutsFoundAtNode()

SCIP_Longint SCIPsepaGetNCutsFoundAtNode ( SCIP_SEPA *  sepa)

gets the number of cutting planes found by this separator at the current node

Parameters
sepaseparator

Definition at line 917 of file sepa.c.

References SCIP_Sepa::ncutsfoundatnode, and NULL.

◆ SCIPsepaGetNConssFound()

SCIP_Longint SCIPsepaGetNConssFound ( SCIP_SEPA *  sepa)

gets total number of additional constraints added by this separator

Parameters
sepaseparator

Definition at line 927 of file sepa.c.

References SCIP_Sepa::nconssfound, and NULL.

Referenced by SCIPprintSeparatorStatistics().

◆ SCIPsepaGetNDomredsFound()

SCIP_Longint SCIPsepaGetNDomredsFound ( SCIP_SEPA *  sepa)

gets total number of domain reductions found by this separator

Parameters
sepaseparator

Definition at line 937 of file sepa.c.

References SCIP_Sepa::ndomredsfound, and NULL.

Referenced by SCIPprintSeparatorStatistics().

◆ SCIPsepaIsDelayed()

SCIP_Bool SCIPsepaIsDelayed ( SCIP_SEPA *  sepa)

should separator be delayed, if other separators found cuts?

Parameters
sepaseparator

Definition at line 947 of file sepa.c.

References SCIP_Sepa::delay, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC().

◆ SCIPsepaWasLPDelayed()

SCIP_Bool SCIPsepaWasLPDelayed ( SCIP_SEPA *  sepa)

was separation of the LP solution delayed at the last call?

Parameters
sepaseparator

Definition at line 957 of file sepa.c.

References SCIP_Sepa::lpwasdelayed, and NULL.

Referenced by SCIP_DECL_SEPAEXECLP(), separateCuts(), and separationRoundLP().

◆ SCIPsepaWasSolDelayed()

SCIP_Bool SCIPsepaWasSolDelayed ( SCIP_SEPA *  sepa)

was separation of the primal solution delayed at the last call?

Parameters
sepaseparator

Definition at line 967 of file sepa.c.

References NULL, and SCIP_Sepa::solwasdelayed.

Referenced by separationRoundSol().

◆ SCIPsepaIsInitialized()

SCIP_Bool SCIPsepaIsInitialized ( SCIP_SEPA *  sepa)

is separator initialized?

Parameters
sepaseparator

Definition at line 977 of file sepa.c.

References SCIP_Sepa::initialized, and NULL.

◆ SCIPsepaIsParentsepa()

SCIP_Bool SCIPsepaIsParentsepa ( SCIP_SEPA *  sepa)

gets whether separator is a parent separator

Parameters
sepaseparator

Definition at line 987 of file sepa.c.

References SCIP_Sepa::isparentsepa, and NULL.

Referenced by SCIPprintSeparatorStatistics().

◆ SCIPsepaGetParentsepa()

SCIP_SEPA* SCIPsepaGetParentsepa ( SCIP_SEPA *  sepa)

gets parent separator (or NULL)

Parameters
sepaseparator

Definition at line 997 of file sepa.c.

References NULL, and SCIP_Sepa::parentsepa.

Referenced by SCIPprintSeparatorStatistics().

◆ SCIPincludeSepa()

SCIP_RETCODE SCIPincludeSepa ( SCIP *  scip,
const char *  name,
const char *  desc,
int  priority,
int  freq,
SCIP_Real  maxbounddist,
SCIP_Bool  usessubscip,
SCIP_Bool  delay,
SCIP_DECL_SEPACOPY((*sepacopy))  ,
SCIP_DECL_SEPAFREE((*sepafree))  ,
SCIP_DECL_SEPAINIT((*sepainit))  ,
SCIP_DECL_SEPAEXIT((*sepaexit))  ,
SCIP_DECL_SEPAINITSOL((*sepainitsol))  ,
SCIP_DECL_SEPAEXITSOL((*sepaexitsol))  ,
SCIP_DECL_SEPAEXECLP((*sepaexeclp))  ,
SCIP_DECL_SEPAEXECSOL((*sepaexecsol))  ,
SCIP_SEPADATA *  sepadata 
)

creates a separator and includes it in SCIP.

Note
method has all separator callbacks as arguments and is thus changed every time a new callback is added in future releases; consider using SCIPincludeSepaBasic() and setter functions if you seek for a method which is less likely to change in future releases
Parameters
scipSCIP data structure
namename of separator
descdescription of separator
prioritypriority of separator (>= 0: before, < 0: after constraint handlers)
freqfrequency for calling separator
maxbounddistmaximal relative distance from current node's dual bound to primal bound compared to best node's dual bound for applying separation
usessubscipdoes the separator use a secondary SCIP instance?
delayshould separator be delayed, if other separators found cuts?
sepadataseparator data

Definition at line 53 of file scip_sepa.c.

References FALSE, Scip::mem, Scip::messagehdlr, NULL, SCIP_CALL, SCIP_INVALIDDATA, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPfindSepa(), SCIPsepaCreate(), SCIPsetIncludeSepa(), Scip::set, SCIP_Mem::setmem, and TRUE.

Referenced by SCIPincludeObjSepa().

◆ SCIPincludeSepaBasic()

SCIP_RETCODE SCIPincludeSepaBasic ( SCIP *  scip,
SCIP_SEPA **  sepa,
const char *  name,
const char *  desc,
int  priority,
int  freq,
SCIP_Real  maxbounddist,
SCIP_Bool  usessubscip,
SCIP_Bool  delay,
SCIP_DECL_SEPAEXECLP((*sepaexeclp))  ,
SCIP_DECL_SEPAEXECSOL((*sepaexecsol))  ,
SCIP_SEPADATA *  sepadata 
)

creates a separator and includes it in SCIP with its most fundamental callbacks. All non-fundamental (or optional) callbacks as, e.g., init and exit callbacks, will be set to NULL. Optional callbacks can be set via specific setter functions, see SCIPsetSepaInit(), SCIPsetSepaFree(), SCIPsetSepaInitsol(), SCIPsetSepaExitsol(), SCIPsetSepaCopy(), SCIPsetExit().

Note
if you want to set all callbacks with a single method call, consider using SCIPincludeSepa() instead
Parameters
scipSCIP data structure
separeference to a separator, or NULL
namename of separator
descdescription of separator
prioritypriority of separator (>= 0: before, < 0: after constraint handlers)
freqfrequency for calling separator
maxbounddistmaximal relative distance from current node's dual bound to primal bound compared to best node's dual bound for applying separation
usessubscipdoes the separator use a secondary SCIP instance?
delayshould separator be delayed, if other separators found cuts?
sepadataseparator data

Definition at line 100 of file scip_sepa.c.

References FALSE, Scip::mem, Scip::messagehdlr, NULL, SCIP_CALL, SCIP_INVALIDDATA, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPfindSepa(), SCIPsepaCreate(), SCIPsetIncludeSepa(), Scip::set, SCIP_Mem::setmem, and TRUE.

Referenced by SCIPincludeSepaCGMIP(), SCIPincludeSepaClique(), SCIPincludeSepaClosecuts(), SCIPincludeSepaConvexproj(), SCIPincludeSepaDisjunctive(), SCIPincludeSepaEccuts(), SCIPincludeSepaEdge(), SCIPincludeSepaGauge(), SCIPincludeSepaGMI(), SCIPincludeSepaGomory(), SCIPincludeSepaImpliedbounds(), SCIPincludeSepaInterminor(), SCIPincludeSepaIntobj(), SCIPincludeSepaMcf(), SCIPincludeSepaMinor(), SCIPincludeSepaMixing(), SCIPincludeSepaOddcycle(), SCIPincludeSepaPartition(), SCIPincludeSepaRlt(), SCIPincludeSepaSubtour(), and SCIPincludeSepaZerohalf().

◆ SCIPsetSepaCopy()

SCIP_RETCODE SCIPsetSepaCopy ( SCIP *  scip,
SCIP_SEPA *  sepa,
SCIP_DECL_SEPACOPY((*sepacopy))   
)

sets copy method of separator

Parameters
scipSCIP data structure
sepaseparator

Definition at line 142 of file scip_sepa.c.

References FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsepaSetCopy(), and TRUE.

Referenced by SCIPincludeSepaCGMIP(), SCIPincludeSepaClique(), SCIPincludeSepaClosecuts(), SCIPincludeSepaDisjunctive(), SCIPincludeSepaEccuts(), SCIPincludeSepaEdge(), SCIPincludeSepaGMI(), SCIPincludeSepaGomory(), SCIPincludeSepaImpliedbounds(), SCIPincludeSepaInterminor(), SCIPincludeSepaIntobj(), SCIPincludeSepaMcf(), SCIPincludeSepaMinor(), SCIPincludeSepaMixing(), SCIPincludeSepaOddcycle(), SCIPincludeSepaPartition(), SCIPincludeSepaRlt(), SCIPincludeSepaSubtour(), and SCIPincludeSepaZerohalf().

◆ SCIPsetSepaFree()

SCIP_RETCODE SCIPsetSepaFree ( SCIP *  scip,
SCIP_SEPA *  sepa,
SCIP_DECL_SEPAFREE((*sepafree))   
)

sets destructor method of separator

Parameters
scipSCIP data structure
sepaseparator

Definition at line 158 of file scip_sepa.c.

References FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsepaSetFree(), and TRUE.

Referenced by SCIPincludeSepaCGMIP(), SCIPincludeSepaClique(), SCIPincludeSepaClosecuts(), SCIPincludeSepaConvexproj(), SCIPincludeSepaDisjunctive(), SCIPincludeSepaEccuts(), SCIPincludeSepaGauge(), SCIPincludeSepaGMI(), SCIPincludeSepaGomory(), SCIPincludeSepaImpliedbounds(), SCIPincludeSepaInterminor(), SCIPincludeSepaIntobj(), SCIPincludeSepaMcf(), SCIPincludeSepaMinor(), SCIPincludeSepaMixing(), SCIPincludeSepaOddcycle(), SCIPincludeSepaRlt(), and SCIPincludeSepaZerohalf().

◆ SCIPsetSepaInit()

SCIP_RETCODE SCIPsetSepaInit ( SCIP *  scip,
SCIP_SEPA *  sepa,
SCIP_DECL_SEPAINIT((*sepainit))   
)

sets initialization method of separator

Parameters
scipSCIP data structure
sepaseparator

Definition at line 174 of file scip_sepa.c.

References FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsepaSetInit(), and TRUE.

Referenced by SCIPincludeSepaCGMIP(), SCIPincludeSepaGomory(), SCIPincludeSepaInterminor(), SCIPincludeSepaMinor(), and SCIPincludeSepaOddcycle().

◆ SCIPsetSepaExit()

SCIP_RETCODE SCIPsetSepaExit ( SCIP *  scip,
SCIP_SEPA *  sepa,
SCIP_DECL_SEPAEXIT((*sepaexit))   
)

sets deinitialization method of separator

Parameters
scipSCIP data structure
sepaseparator

Definition at line 190 of file scip_sepa.c.

References FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsepaSetExit(), and TRUE.

Referenced by SCIPincludeSepaCGMIP(), SCIPincludeSepaGomory(), SCIPincludeSepaInterminor(), and SCIPincludeSepaMinor().

◆ SCIPsetSepaInitsol()

SCIP_RETCODE SCIPsetSepaInitsol ( SCIP *  scip,
SCIP_SEPA *  sepa,
SCIP_DECL_SEPAINITSOL((*sepainitsol))   
)

sets solving process initialization method of separator

Parameters
scipSCIP data structure
sepaseparator

Definition at line 206 of file scip_sepa.c.

References FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsepaSetInitsol(), and TRUE.

Referenced by SCIPincludeSepaDisjunctive(), SCIPincludeSepaInterminor(), SCIPincludeSepaMcf(), SCIPincludeSepaMinor(), SCIPincludeSepaOddcycle(), and SCIPincludeSepaZerohalf().

◆ SCIPsetSepaExitsol()

SCIP_RETCODE SCIPsetSepaExitsol ( SCIP *  scip,
SCIP_SEPA *  sepa,
SCIP_DECL_SEPAEXITSOL((*sepaexitsol))   
)

sets solving process deinitialization method of separator

Parameters
scipSCIP data structure
sepaseparator

Definition at line 222 of file scip_sepa.c.

References FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsepaSetExitsol(), and TRUE.

Referenced by SCIPincludeSepaClique(), SCIPincludeSepaClosecuts(), SCIPincludeSepaConvexproj(), SCIPincludeSepaEccuts(), SCIPincludeSepaGauge(), SCIPincludeSepaInterminor(), SCIPincludeSepaIntobj(), SCIPincludeSepaMcf(), SCIPincludeSepaMinor(), SCIPincludeSepaRlt(), and SCIPincludeSepaZerohalf().

◆ SCIPfindSepa()

SCIP_SEPA* SCIPfindSepa ( SCIP *  scip,
const char *  name 
)

returns the separator of the given name, or NULL if not existing

Parameters
scipSCIP data structure
namename of separator

Definition at line 238 of file scip_sepa.c.

References NULL, SCIPsetFindSepa(), and Scip::set.

Referenced by SCIPcopyConcurrentSolvingStats(), SCIPfindObjSepa(), SCIPincludeSepa(), SCIPincludeSepaBasic(), and SCIPsetBasePointClosecuts().

◆ SCIPgetSepas()

SCIP_SEPA** SCIPgetSepas ( SCIP *  scip)

returns the array of currently available separators

Parameters
scipSCIP data structure

Definition at line 251 of file scip_sepa.c.

References NULL, SCIPsetSortSepas(), SCIP_Set::sepas, and Scip::set.

Referenced by SCIP_DECL_DIALOGEXEC(), SCIPcopyConcurrentSolvingStats(), SCIPincludeDialogDefaultFix(), and SCIPincludeDialogDefaultSet().

◆ SCIPgetNSepas()

int SCIPgetNSepas ( SCIP *  scip)

returns the number of currently available separators

Parameters
scipSCIP data structure

Definition at line 264 of file scip_sepa.c.

References SCIP_Set::nsepas, NULL, and Scip::set.

Referenced by SCIP_DECL_DIALOGEXEC(), SCIPcopyConcurrentSolvingStats(), SCIPincludeDialogDefaultFix(), and SCIPincludeDialogDefaultSet().

◆ SCIPsetSepaPriority()

SCIP_RETCODE SCIPsetSepaPriority ( SCIP *  scip,
SCIP_SEPA *  sepa,
int  priority 
)

sets the priority of a separator

Parameters
scipSCIP data structure
sepaseparator
prioritynew priority of the separator

Definition at line 275 of file scip_sepa.c.

References NULL, SCIP_OKAY, SCIPsepaSetPriority(), and Scip::set.

Referenced by SCIP_DECL_PARAMCHGD().

◆ SCIPsetSepaIsParentsepa()

void SCIPsetSepaIsParentsepa ( SCIP *  scip,
SCIP_SEPA *  sepa 
)

declares separator to be a parent separator

Parent separators generate cuts of several types. To distinguish these cuts, they create child separators, which are only needed to detect which cuts are applied.

Parameters
scipSCIP data structure
sepaseparator

Definition at line 294 of file scip_sepa.c.

References NULL, and SCIPsepaSetIsParentsepa().

Referenced by SCIPincludeSepaGomory().

◆ SCIPsetSepaParentsepa()

void SCIPsetSepaParentsepa ( SCIP *  scip,
SCIP_SEPA *  sepa,
SCIP_SEPA *  parentsepa 
)

sets the parent separator

Informs SCIP that the separator sepa depends on the parent separator parentsepa.

Parameters
scipSCIP data structure
sepaseparator
parentsepaparent separator

Definition at line 309 of file scip_sepa.c.

References NULL, and SCIPsepaSetParentsepa().

Referenced by SCIPincludeSepaGomory().

◆ SCIPgetSepaMinEfficacy()

SCIP_Real SCIPgetSepaMinEfficacy ( SCIP *  scip)

gets value of minimal efficacy for a cut to enter the LP

Precondition
This method can be called if scip is in one of the following stages:
Returns
value of "separating/minefficacyroot" if at root node, otherwise value of "separating/minefficacy"
Parameters
scipSCIP data structure

Definition at line 330 of file scip_sepa.c.

References FALSE, NULL, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPtreeGetCurrentDepth(), SCIP_Set::sepa_minefficacy, SCIP_Set::sepa_minefficacyroot, Scip::set, Scip::tree, and TRUE.

Referenced by SCIPcleanupRowprep(), and SCIPprocessRowprepNonlinear().