Detailed Description

public methods for primal heuristics

Author: Tobias Achterberg

Definition in file pub_heur.h.

#include "scip/def.h"
#include "scip/type_misc.h"
#include "scip/type_heur.h"

Functions
	SCIP_DECL_SORTPTRCOMP (SCIPheurComp)

	SCIP_DECL_SORTPTRCOMP (SCIPheurCompName)

SCIP_HEURDATA *	SCIPheurGetData (SCIP_HEUR *heur)

void	SCIPheurSetData (SCIP_HEUR heur, SCIP_HEURDATA heurdata)

const char *	SCIPheurGetName (SCIP_HEUR *heur)

const char *	SCIPheurGetDesc (SCIP_HEUR *heur)

char	SCIPheurGetDispchar (SCIP_HEUR *heur)

SCIP_HEURTIMING	SCIPheurGetTimingmask (SCIP_HEUR *heur)

void	SCIPheurSetTimingmask (SCIP_HEUR *heur, SCIP_HEURTIMING timingmask)

SCIP_Bool	SCIPheurUsesSubscip (SCIP_HEUR *heur)

int	SCIPheurGetPriority (SCIP_HEUR *heur)

int	SCIPheurGetFreq (SCIP_HEUR *heur)

void	SCIPheurSetFreq (SCIP_HEUR *heur, int freq)

int	SCIPheurGetFreqofs (SCIP_HEUR *heur)

int	SCIPheurGetMaxdepth (SCIP_HEUR *heur)

SCIP_Longint	SCIPheurGetNCalls (SCIP_HEUR *heur)

SCIP_Longint	SCIPheurGetNSolsFound (SCIP_HEUR *heur)

SCIP_Longint	SCIPheurGetNBestSolsFound (SCIP_HEUR *heur)

SCIP_Bool	SCIPheurIsInitialized (SCIP_HEUR *heur)

SCIP_Real	SCIPheurGetSetupTime (SCIP_HEUR *heur)

SCIP_Real	SCIPheurGetTime (SCIP_HEUR *heur)

SCIP_DIVESET **	SCIPheurGetDivesets (SCIP_HEUR *heur)

int	SCIPheurGetNDivesets (SCIP_HEUR *heur)

SCIP_HEUR *	SCIPdivesetGetHeur (SCIP_DIVESET *diveset)

SCIP_SOL *	SCIPdivesetGetWorkSolution (SCIP_DIVESET *diveset)

void	SCIPdivesetSetWorkSolution (SCIP_DIVESET diveset, SCIP_SOL sol)

const char *	SCIPdivesetGetName (SCIP_DIVESET *diveset)

SCIP_Real	SCIPdivesetGetMinRelDepth (SCIP_DIVESET *diveset)

SCIP_Real	SCIPdivesetGetMaxRelDepth (SCIP_DIVESET *diveset)

SCIP_Longint	SCIPdivesetGetSolSuccess (SCIP_DIVESET *diveset)

int	SCIPdivesetGetNCalls (SCIP_DIVESET *diveset)

int	SCIPdivesetGetNSolutionCalls (SCIP_DIVESET *diveset)

int	SCIPdivesetGetMinDepth (SCIP_DIVESET *diveset)

int	SCIPdivesetGetMaxDepth (SCIP_DIVESET *diveset)

SCIP_Real	SCIPdivesetGetAvgDepth (SCIP_DIVESET *diveset)

int	SCIPdivesetGetMinSolutionDepth (SCIP_DIVESET *diveset)

int	SCIPdivesetGetMaxSolutionDepth (SCIP_DIVESET *diveset)

SCIP_Real	SCIPdivesetGetAvgSolutionDepth (SCIP_DIVESET *diveset)

SCIP_Longint	SCIPdivesetGetNLPIterations (SCIP_DIVESET *diveset)

SCIP_Longint	SCIPdivesetGetNProbingNodes (SCIP_DIVESET *diveset)

SCIP_Longint	SCIPdivesetGetNBacktracks (SCIP_DIVESET *diveset)

SCIP_Real	SCIPdivesetGetMaxLPIterQuot (SCIP_DIVESET *diveset)

int	SCIPdivesetGetMaxLPIterOffset (SCIP_DIVESET *diveset)

SCIP_Real	SCIPdivesetGetUbQuotNoSol (SCIP_DIVESET *diveset)

SCIP_Real	SCIPdivesetGetAvgQuotNoSol (SCIP_DIVESET *diveset)

SCIP_Real	SCIPdivesetGetUbQuot (SCIP_DIVESET *diveset)

SCIP_Real	SCIPdivesetGetAvgQuot (SCIP_DIVESET *diveset)

SCIP_Bool	SCIPdivesetUseBacktrack (SCIP_DIVESET *diveset)

int	SCIPdivesetGetLPSolveFreq (SCIP_DIVESET *diveset)

SCIP_Real	SCIPdivesetGetLPResolveDomChgQuot (SCIP_DIVESET *diveset)

SCIP_Bool	SCIPdivesetUseOnlyLPBranchcands (SCIP_DIVESET *diveset)

SCIP_Bool	SCIPdivesetSupportsType (SCIP_DIVESET *diveset, SCIP_DIVETYPE divetype)

Function Documentation

SCIP_DECL_SORTPTRCOMP ( SCIPheurComp )

compares two heuristics w. r. to their priority

compares two heuristics w. r. to their delay positions and their priority

Definition at line 40 of file heur.c.

References SCIP_Heur::delaypos, SCIP_Heur::freq, SCIP_Heur::ncalls, NULL, and SCIP_Heur::priority.

SCIP_DECL_SORTPTRCOMP ( SCIPheurCompName )

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

Definition at line 64 of file heur.c.

References SCIPheurGetName().

SCIP_HEURDATA* SCIPheurGetData ( SCIP_HEUR * heur )

gets user data of primal heuristic

Parameters

heur	primal heuristic

Definition at line 1058 of file heur.c.

References SCIP_Heur::heurdata, and NULL.

Referenced by createSolFromNLP(), createSolFromSubScipSol(), SCIP_DECL_HEURCOPY(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXIT(), SCIP_DECL_HEUREXITSOL(), SCIP_DECL_HEURFREE(), SCIP_DECL_HEURINIT(), SCIP_DECL_HEURINITSOL(), SCIPaddLinearConsToNlpHeurSubNlp(), SCIPapplyHeurDualval(), SCIPapplyHeurSubNlp(), SCIPapplyProximity(), SCIPapplyRens(), SCIPapplyUndercover(), SCIPapplyZeroobj(), SCIPdeleteSubproblemProximity(), SCIPfindObjHeur(), SCIPgetObjHeur(), SCIPgetStartCandidateHeurSubNlp(), SCIPgetSubScipHeurSubNlp(), SCIPgetVarMappingScip2SubScipHeurSubNlp(), SCIPgetVarMappingSubScip2ScipHeurSubNlp(), SCIPheurPassIndicator(), SCIPheurPassSolAddSol(), SCIPheurPassSolTrySol(), SCIPreoptsolsGetNCheckedsols(), SCIPreoptsolsGetNImprovingsols(), SCIPresolveSolHeurSubNlp(), SCIPupdateStartpointHeurSubNlp(), solveSubNLP(), solveSubproblem(), and storeSolution().

void SCIPheurSetData	(	SCIP_HEUR *	heur,
		SCIP_HEURDATA *	heurdata
	)

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

Parameters

heur	primal heuristic
heurdata	new primal heuristic user data

Definition at line 1068 of file heur.c.

References SCIP_Heur::heurdata, and NULL.

Referenced by presolveTwoOpt(), SCIP_DECL_HEUREXIT(), SCIP_DECL_HEUREXITSOL(), SCIP_DECL_HEURFREE(), SCIP_DECL_HEURINIT(), and SCIP_DECL_HEURINITSOL().

const char* SCIPheurGetName ( SCIP_HEUR * heur )

gets name of primal heuristic

Parameters

heur	primal heuristic

Definition at line 1147 of file heur.c.

References SCIP_Heur::name, and NULL.

Referenced by createNewSol(), paramsetSetHeuristicsAggressive(), paramsetSetHeuristicsDefault(), paramsetSetHeuristicsOff(), presolve(), presolveRound(), printHeuristicStatistics(), printSolutionStatistics(), proposeFeasibleSolution(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_HEURCOPY(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXIT(), SCIP_DECL_HEUREXITSOL(), SCIP_DECL_HEURFREE(), SCIP_DECL_HEURINIT(), SCIP_DECL_HEURINITSOL(), SCIP_DECL_SORTPTRCOMP(), SCIPaddLinearConsToNlpHeurSubNlp(), SCIPapplyProximity(), SCIPdivesetCreate(), SCIPgetStartCandidateHeurSubNlp(), SCIPgetSubScipHeurSubNlp(), SCIPgetVarMappingScip2SubScipHeurSubNlp(), SCIPgetVarMappingSubScip2ScipHeurSubNlp(), SCIPheurCopyInclude(), SCIPheurPassIndicator(), SCIPheurPassSolAddSol(), SCIPheurPassSolTrySol(), SCIPincludeDialogDefaultFix(), SCIPincludeDialogDefaultSet(), SCIPparamsetSetToSubscipsOff(), SCIPperformGenericDivingAlgorithm(), SCIPprimalHeuristics(), SCIPreoptAddSol(), SCIPsetSortPropsPresol(), and SCIPupdateStartpointHeurSubNlp().

const char* SCIPheurGetDesc ( SCIP_HEUR * heur )

gets description of primal heuristic

Parameters

heur	primal heuristic

Definition at line 1157 of file heur.c.

References SCIP_Heur::desc, and NULL.

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

char SCIPheurGetDispchar ( SCIP_HEUR * heur )

gets display character of primal heuristic

Parameters

heur	primal heuristic

Definition at line 1167 of file heur.c.

References SCIP_Heur::dispchar, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC(), and SCIP_DECL_DISPOUTPUT().

SCIP_HEURTIMING SCIPheurGetTimingmask ( SCIP_HEUR * heur )

returns the timing mask of the heuristic

Parameters

heur	primal heuristic

Definition at line 1177 of file heur.c.

References NULL, and SCIP_Heur::timingmask.

void SCIPheurSetTimingmask	(	SCIP_HEUR *	heur,
		SCIP_HEURTIMING	timingmask
	)

sets new timing mask for heuristic

Parameters

heur	primal heuristic
timingmask	new timing mask of heuristic

Definition at line 1187 of file heur.c.

References NULL, and SCIP_Heur::timingmask.

Referenced by SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXITSOL(), SCIP_DECL_HEURINIT(), and SCIP_DECL_HEURINITSOL().

SCIP_Bool SCIPheurUsesSubscip ( SCIP_HEUR * heur )

does the heuristic use a secondary SCIP instance?

Parameters

heur	primal heuristic

Definition at line 1198 of file heur.c.

References NULL, and SCIP_Heur::usessubscip.

Referenced by SCIPparamsetSetToSubscipsOff().

int SCIPheurGetPriority ( SCIP_HEUR * heur )

gets priority of primal heuristic

Parameters

heur	primal heuristic

Definition at line 1208 of file heur.c.

References NULL, and SCIP_Heur::priority.

Referenced by SCIP_DECL_DIALOGEXEC(), and SCIPprimalHeuristics().

int SCIPheurGetFreq ( SCIP_HEUR * heur )

gets frequency of primal heuristic

Parameters

heur	primal heuristic

Definition at line 1232 of file heur.c.

References SCIP_Heur::freq, and NULL.

Referenced by checkParameters(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_HEURINIT(), and SCIP_DECL_HEURINITSOL().

void SCIPheurSetFreq	(	SCIP_HEUR *	heur,
		int	freq
	)

sets frequency of primal heuristic

Parameters

heur	primal heuristic
freq	new frequency of heuristic

Definition at line 1242 of file heur.c.

References SCIP_Heur::freq, and NULL.

Referenced by storeSolution().

int SCIPheurGetFreqofs ( SCIP_HEUR * heur )

gets frequency offset of primal heuristic

Parameters

heur	primal heuristic

Definition at line 1253 of file heur.c.

References SCIP_Heur::freqofs, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC(), SCIP_DECL_HEURINIT(), and SCIP_DECL_HEURINITSOL().

int SCIPheurGetMaxdepth ( SCIP_HEUR * heur )

gets maximal depth level for calling primal heuristic (returns -1, if no depth limit exists)

Parameters

heur	primal heuristic

Definition at line 1263 of file heur.c.

References SCIP_Heur::maxdepth, and NULL.

SCIP_Longint SCIPheurGetNCalls ( SCIP_HEUR * heur )

gets the number of times, the heuristic was called and tried to find a solution

Parameters

heur	primal heuristic

Definition at line 1273 of file heur.c.

References SCIP_Heur::ncalls, and NULL.

Referenced by applyVbounds(), printHeuristicStatistics(), SCIP_DECL_HEUREXEC(), and SCIPapplyZeroobj().

SCIP_Longint SCIPheurGetNSolsFound ( SCIP_HEUR * heur )

gets the number of primal feasible solutions found by this heuristic

Parameters

heur	primal heuristic

Definition at line 1283 of file heur.c.

References SCIP_Heur::nsolsfound, and NULL.

Referenced by printHeuristicStatistics(), and SCIP_DECL_HEUREXEC().

SCIP_Longint SCIPheurGetNBestSolsFound ( SCIP_HEUR * heur )

gets the number of new best primal feasible solutions found by this heuristic

Parameters

heur	primal heuristic

Definition at line 1293 of file heur.c.

References SCIP_Heur::nbestsolsfound, and NULL.

Referenced by applyVbounds(), and SCIP_DECL_HEUREXEC().

SCIP_Bool SCIPheurIsInitialized ( SCIP_HEUR * heur )

is primal heuristic initialized?

Parameters

heur	primal heuristic

Definition at line 1303 of file heur.c.

References SCIP_Heur::initialized, and NULL.

SCIP_Real SCIPheurGetSetupTime ( SCIP_HEUR * heur )

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

Parameters

heur	primal heuristic

Definition at line 1325 of file heur.c.

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

Referenced by printHeuristicStatistics().

SCIP_Real SCIPheurGetTime ( SCIP_HEUR * heur )

gets time in seconds used in this heuristic

Parameters

heur	primal heuristic

Definition at line 1335 of file heur.c.

References SCIP_Heur::heurclock, NULL, and SCIPclockGetTime().

Referenced by printHeuristicStatistics().

SCIP_DIVESET** SCIPheurGetDivesets ( SCIP_HEUR * heur )

returns array of divesets of this primal heuristic, or NULL if it has no divesets

Parameters

heur	primal heuristic

Definition at line 1345 of file heur.c.

References SCIP_Heur::divesets, and NULL.

Referenced by printHeuristicStatistics().

int SCIPheurGetNDivesets ( SCIP_HEUR * heur )

returns the number of divesets of this primal heuristic

Parameters

heur	primal heuristic

Definition at line 1355 of file heur.c.

References SCIP_Heur::ndivesets, and NULL.

Referenced by printHeuristicStatistics().

SCIP_HEUR* SCIPdivesetGetHeur ( SCIP_DIVESET * diveset )

get the heuristic to which this diving setting belongs

Parameters

diveset diving settings

Definition at line 302 of file heur.c.

References SCIP_Diveset::heur.

SCIP_SOL* SCIPdivesetGetWorkSolution ( SCIP_DIVESET * diveset )

get the working solution of this dive set

Parameters

diveset diving settings

Definition at line 310 of file heur.c.

References NULL, and SCIP_Diveset::sol.

void SCIPdivesetSetWorkSolution	(	SCIP_DIVESET *	diveset,
		SCIP_SOL *	sol
	)

set the working solution for this dive set

Parameters

diveset	diving settings
sol	new working solution for this dive set, or NULL

Definition at line 320 of file heur.c.

References NULL, and SCIP_Diveset::sol.

Referenced by SCIPperformGenericDivingAlgorithm().

const char* SCIPdivesetGetName ( SCIP_DIVESET * diveset )

get the name of the dive set

Parameters

diveset diving settings

Definition at line 331 of file heur.c.

References SCIP_Diveset::name, and NULL.

Referenced by printHeuristicStatistics(), SCIPperformGenericDivingAlgorithm(), and solveLP().

SCIP_Real SCIPdivesetGetMinRelDepth ( SCIP_DIVESET * diveset )

get the minimum relative depth of the diving settings

Parameters

diveset diving settings

Definition at line 341 of file heur.c.

References SCIP_Diveset::minreldepth.

Referenced by SCIPperformGenericDivingAlgorithm().

SCIP_Real SCIPdivesetGetMaxRelDepth ( SCIP_DIVESET * diveset )

get the maximum relative depth of the diving settings

Parameters

diveset diving settings

Definition at line 349 of file heur.c.

References SCIP_Diveset::maxreldepth.

Referenced by SCIPperformGenericDivingAlgorithm().

SCIP_Longint SCIPdivesetGetSolSuccess ( SCIP_DIVESET * diveset )

get the number of successful runs of the diving settings

Parameters

diveset diving settings

Definition at line 357 of file heur.c.

References SCIP_Diveset::nbestsolsfound, and SCIP_Diveset::nsolsfound.

Referenced by SCIPperformGenericDivingAlgorithm().

int SCIPdivesetGetNCalls ( SCIP_DIVESET * diveset )

get the number of calls to this dive set

Parameters

diveset diving settings

Definition at line 365 of file heur.c.

References SCIP_Diveset::ncalls, and NULL.

Referenced by printHeuristicStatistics(), and SCIPperformGenericDivingAlgorithm().

int SCIPdivesetGetNSolutionCalls ( SCIP_DIVESET * diveset )

get the number of calls successfully terminated at a feasible leaf node

Parameters

diveset diving settings

Definition at line 375 of file heur.c.

References SCIP_Diveset::nsolcalls, and NULL.

Referenced by printHeuristicStatistics().

int SCIPdivesetGetMinDepth ( SCIP_DIVESET * diveset )

get the minimum depth reached by this dive set

Parameters

diveset diving settings

Definition at line 385 of file heur.c.

References SCIP_Diveset::mindepth, and NULL.

Referenced by printHeuristicStatistics().

int SCIPdivesetGetMaxDepth ( SCIP_DIVESET * diveset )

get the maximum depth reached by this dive set

Parameters

diveset diving settings

Definition at line 395 of file heur.c.

References SCIP_Diveset::maxdepth, and NULL.

Referenced by printHeuristicStatistics().

SCIP_Real SCIPdivesetGetAvgDepth ( SCIP_DIVESET * diveset )

get the average depth this dive set reached during execution

Parameters

diveset diving settings

Definition at line 405 of file heur.c.

References SCIP_Diveset::ncalls, NULL, SCIP_Real, and SCIP_Diveset::totaldepth.

Referenced by printHeuristicStatistics().

int SCIPdivesetGetMinSolutionDepth ( SCIP_DIVESET * diveset )

get the minimum depth at which this dive set found a solution

Parameters

diveset diving settings

Definition at line 415 of file heur.c.

References SCIP_Diveset::minsoldepth, and NULL.

Referenced by printHeuristicStatistics().

int SCIPdivesetGetMaxSolutionDepth ( SCIP_DIVESET * diveset )

get the maximum depth at which this dive set found a solution

Parameters

diveset diving settings

Definition at line 425 of file heur.c.

References SCIP_Diveset::maxsoldepth, and NULL.

Referenced by printHeuristicStatistics().

SCIP_Real SCIPdivesetGetAvgSolutionDepth ( SCIP_DIVESET * diveset )

get the average depth at which this dive set found a solution

Parameters

diveset diving settings

Definition at line 435 of file heur.c.

References SCIP_Diveset::nsolcalls, NULL, SCIP_Real, and SCIP_Diveset::totalsoldepth.

Referenced by printHeuristicStatistics().

SCIP_Longint SCIPdivesetGetNLPIterations ( SCIP_DIVESET * diveset )

get the total number of LP iterations used by this dive set

Parameters

diveset diving settings

Definition at line 445 of file heur.c.

References SCIP_Diveset::nlpiterations, and NULL.

Referenced by printHeuristicStatistics(), SCIPperformGenericDivingAlgorithm(), and solveLP().

SCIP_Longint SCIPdivesetGetNProbingNodes ( SCIP_DIVESET * diveset )

get the total number of probing nodes used by this dive set

Parameters

diveset diving settings

Definition at line 455 of file heur.c.

References NULL, and SCIP_Diveset::totalnnodes.

Referenced by printHeuristicStatistics().

SCIP_Longint SCIPdivesetGetNBacktracks ( SCIP_DIVESET * diveset )

get the total number of backtracks performed by this dive set

Parameters

diveset diving settings

Definition at line 465 of file heur.c.

References NULL, and SCIP_Diveset::totalnbacktracks.

Referenced by printHeuristicStatistics().

SCIP_Real SCIPdivesetGetMaxLPIterQuot ( SCIP_DIVESET * diveset )

get the maximum LP iterations quotient of the diving settings

Parameters

diveset diving settings

Definition at line 475 of file heur.c.

References SCIP_Diveset::maxlpiterquot.

Referenced by SCIPperformGenericDivingAlgorithm().

int SCIPdivesetGetMaxLPIterOffset ( SCIP_DIVESET * diveset )

get the maximum LP iterations offset of the diving settings

Parameters

diveset diving settings

Definition at line 483 of file heur.c.

References SCIP_Diveset::maxlpiterofs.

Referenced by SCIPperformGenericDivingAlgorithm().

SCIP_Real SCIPdivesetGetUbQuotNoSol ( SCIP_DIVESET * diveset )

get the maximum upper bound quotient parameter of the diving settings if no solution is available

Parameters

diveset diving settings

Definition at line 491 of file heur.c.

References SCIP_Diveset::maxdiveubquotnosol.

Referenced by SCIPperformGenericDivingAlgorithm().

SCIP_Real SCIPdivesetGetAvgQuotNoSol ( SCIP_DIVESET * diveset )

get the average quotient parameter of the diving settings if no solution is available

Parameters

diveset diving settings

Definition at line 499 of file heur.c.

References SCIP_Diveset::maxdiveavgquotnosol.

Referenced by SCIPperformGenericDivingAlgorithm().

SCIP_Real SCIPdivesetGetUbQuot ( SCIP_DIVESET * diveset )

get the maximum upper bound quotient parameter of the diving settings if an incumbent solution exists

Parameters

diveset diving settings

Definition at line 506 of file heur.c.

References SCIP_Diveset::maxdiveubquot.

Referenced by SCIPperformGenericDivingAlgorithm().

SCIP_Real SCIPdivesetGetAvgQuot ( SCIP_DIVESET * diveset )

get the average upper bound quotient parameter of the diving settings if an incumbent solution exists

Parameters

diveset diving settings

Definition at line 514 of file heur.c.

References SCIP_Diveset::maxdiveavgquot.

Referenced by SCIPperformGenericDivingAlgorithm().

SCIP_Bool SCIPdivesetUseBacktrack ( SCIP_DIVESET * diveset )

should backtracking be applied?

Parameters

diveset diving settings

Definition at line 522 of file heur.c.

References SCIP_Diveset::backtrack.

Referenced by SCIPperformGenericDivingAlgorithm().

int SCIPdivesetGetLPSolveFreq ( SCIP_DIVESET * diveset )

returns the LP solve frequency for diving LPs (0: dynamically based on number of intermediate domain reductions)

Parameters

diveset diving settings

Definition at line 530 of file heur.c.

References SCIP_Diveset::lpsolvefreq, and NULL.

Referenced by SCIPperformGenericDivingAlgorithm().

SCIP_Real SCIPdivesetGetLPResolveDomChgQuot ( SCIP_DIVESET * diveset )

returns the domain reduction quotient for triggering an immediate resolve of the diving LP (0.0: always resolve)

Parameters

diveset diving settings

Definition at line 540 of file heur.c.

References SCIP_Diveset::lpresolvedomchgquot, and NULL.

Referenced by SCIPperformGenericDivingAlgorithm().

SCIP_Bool SCIPdivesetUseOnlyLPBranchcands ( SCIP_DIVESET * diveset )

should only LP branching candidates be considered instead of the slower but more general constraint handler diving variable selection?

Parameters

diveset diving settings

Definition at line 552 of file heur.c.

References NULL, and SCIP_Diveset::onlylpbranchcands.

Referenced by SCIPperformGenericDivingAlgorithm().

SCIP_Bool SCIPdivesetSupportsType	(	SCIP_DIVESET *	diveset,
		SCIP_DIVETYPE	divetype
	)

returns TRUE if dive set supports diving of the specified type

Parameters

diveset	diving settings
divetype	bit mask that represents the supported dive types by this dive set

Definition at line 562 of file heur.c.

References SCIP_Diveset::divetypemask, and NULL.

Referenced by getDiveBdChgsSOS1conflictgraph(), and getDiveBdChgsSOS1constraints().

SCIP

Detailed Description

Functions

Function Documentation