Scippy

SCIP

Solving Constraint Integer Programs

pub_cons.h File Reference

Detailed Description

public methods for managing constraints

Author
Tobias Achterberg

Definition in file pub_cons.h.

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

Go to the source code of this file.

Functions

 SCIP_DECL_SORTPTRCOMP (SCIPconshdlrCompSepa)
 
 SCIP_DECL_SORTPTRCOMP (SCIPconshdlrCompEnfo)
 
 SCIP_DECL_SORTPTRCOMP (SCIPconshdlrCompCheck)
 
const char * SCIPconshdlrGetName (SCIP_CONSHDLR *conshdlr)
 
const char * SCIPconshdlrGetDesc (SCIP_CONSHDLR *conshdlr)
 
SCIP_CONSHDLRDATASCIPconshdlrGetData (SCIP_CONSHDLR *conshdlr)
 
void SCIPconshdlrSetData (SCIP_CONSHDLR *conshdlr, SCIP_CONSHDLRDATA *conshdlrdata)
 
void SCIPconshdlrSetSepa (SCIP_CONSHDLR *conshdlr, SCIP_DECL_CONSSEPALP((*conssepalp)), SCIP_DECL_CONSSEPASOL((*conssepasol)), int sepafreq, int sepapriority, SCIP_Bool delaysepa)
 
void SCIPconshdlrSetProp (SCIP_CONSHDLR *conshdlr, SCIP_DECL_CONSPROP((*consprop)), int propfreq, SCIP_Bool delayprop, SCIP_PROPTIMING timingmask)
 
SCIP_CONS ** SCIPconshdlrGetConss (SCIP_CONSHDLR *conshdlr)
 
SCIP_CONS ** SCIPconshdlrGetEnfoConss (SCIP_CONSHDLR *conshdlr)
 
SCIP_CONS ** SCIPconshdlrGetCheckConss (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNConss (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNEnfoConss (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNCheckConss (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNActiveConss (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNEnabledConss (SCIP_CONSHDLR *conshdlr)
 
SCIP_Real SCIPconshdlrGetSetupTime (SCIP_CONSHDLR *conshdlr)
 
SCIP_Real SCIPconshdlrGetPresolTime (SCIP_CONSHDLR *conshdlr)
 
SCIP_Real SCIPconshdlrGetSepaTime (SCIP_CONSHDLR *conshdlr)
 
SCIP_Real SCIPconshdlrGetEnfoLPTime (SCIP_CONSHDLR *conshdlr)
 
SCIP_Real SCIPconshdlrGetEnfoPSTime (SCIP_CONSHDLR *conshdlr)
 
SCIP_Real SCIPconshdlrGetPropTime (SCIP_CONSHDLR *conshdlr)
 
SCIP_Real SCIPconshdlrGetStrongBranchPropTime (SCIP_CONSHDLR *conshdlr)
 
SCIP_Real SCIPconshdlrGetCheckTime (SCIP_CONSHDLR *conshdlr)
 
SCIP_Real SCIPconshdlrGetRespropTime (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNSepaCalls (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNEnfoLPCalls (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNEnfoPSCalls (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNPropCalls (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNCheckCalls (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNRespropCalls (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNCutoffs (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNCutsFound (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNCutsApplied (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNConssFound (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNDomredsFound (SCIP_CONSHDLR *conshdlr)
 
SCIP_Longint SCIPconshdlrGetNChildren (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetMaxNActiveConss (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetStartNActiveConss (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNFixedVars (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNAggrVars (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNChgVarTypes (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNChgBds (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNAddHoles (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNDelConss (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNAddConss (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNUpgdConss (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNChgCoefs (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNChgSides (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetNPresolCalls (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetSepaPriority (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetEnfoPriority (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetCheckPriority (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetSepaFreq (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetPropFreq (SCIP_CONSHDLR *conshdlr)
 
int SCIPconshdlrGetEagerFreq (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrNeedsCons (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrDoesPresolve (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrIsSeparationDelayed (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrIsPropagationDelayed (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrIsPresolvingDelayed (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrWasLPSeparationDelayed (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrWasSolSeparationDelayed (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrWasPropagationDelayed (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrWasPresolvingDelayed (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrIsInitialized (SCIP_CONSHDLR *conshdlr)
 
SCIP_Bool SCIPconshdlrIsClonable (SCIP_CONSHDLR *conshdlr)
 
SCIP_PROPTIMING SCIPconshdlrGetPropTimingmask (SCIP_CONSHDLR *conshdlr)
 
const char * SCIPconsGetName (SCIP_CONS *cons)
 
int SCIPconsGetPos (SCIP_CONS *cons)
 
SCIP_CONSHDLRSCIPconsGetHdlr (SCIP_CONS *cons)
 
SCIP_CONSDATASCIPconsGetData (SCIP_CONS *cons)
 
int SCIPconsGetNUses (SCIP_CONS *cons)
 
int SCIPconsGetActiveDepth (SCIP_CONS *cons)
 
int SCIPconsGetValidDepth (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsActive (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsEnabled (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsSeparationEnabled (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsPropagationEnabled (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsDeleted (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsObsolete (SCIP_CONS *cons)
 
SCIP_Real SCIPconsGetAge (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsInitial (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsSeparated (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsEnforced (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsChecked (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsMarkedPropagate (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsPropagated (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsGlobal (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsLocal (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsModifiable (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsDynamic (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsRemovable (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsStickingAtNode (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsInProb (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsOriginal (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsTransformed (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsLockedPos (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsLockedNeg (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsLocked (SCIP_CONS *cons)
 
int SCIPconsGetNLocksPos (SCIP_CONS *cons)
 
int SCIPconsGetNLocksNeg (SCIP_CONS *cons)
 
SCIP_Bool SCIPconsIsAdded (SCIP_CONS *cons)
 
void SCIPconsAddUpgradeLocks (SCIP_CONS *cons, int nlocks)
 
int SCIPconsGetNUpgradeLocks (SCIP_CONS *cons)
 

Function Documentation

SCIP_DECL_SORTPTRCOMP ( SCIPconshdlrCompSepa  )

compares two constraint handlers w. r. to their separation priority

SCIP_DECL_SORTPTRCOMP ( SCIPconshdlrCompEnfo  )

compares two constraint handlers w. r. to their enforcing priority

SCIP_DECL_SORTPTRCOMP ( SCIPconshdlrCompCheck  )

compares two constraint handlers w. r. to their feasibility check priority

const char* SCIPconshdlrGetName ( SCIP_CONSHDLR conshdlr)

gets name of constraint handler

Parameters
conshdlrconstraint handler

Referenced by scip::ObjConshdlr::SCIP_DECL_CONSPRINT().

const char* SCIPconshdlrGetDesc ( SCIP_CONSHDLR conshdlr)

gets description of constraint handler

Parameters
conshdlrconstraint handler
SCIP_CONSHDLRDATA* SCIPconshdlrGetData ( SCIP_CONSHDLR conshdlr)

gets user data of constraint handler

Parameters
conshdlrconstraint handler
void SCIPconshdlrSetData ( SCIP_CONSHDLR conshdlr,
SCIP_CONSHDLRDATA conshdlrdata 
)

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

Parameters
conshdlrconstraint handler
conshdlrdatanew constraint handler user data
void SCIPconshdlrSetSepa ( SCIP_CONSHDLR conshdlr,
SCIP_DECL_CONSSEPALP((*conssepalp))  ,
SCIP_DECL_CONSSEPASOL((*conssepasol))  ,
int  sepafreq,
int  sepapriority,
SCIP_Bool  delaysepa 
)

sets all separation related callbacks of the constraint handler

Parameters
conshdlrconstraint handler
sepafreqfrequency for separating cuts; zero means to separate only in the root node
sepaprioritypriority of the constraint handler for separation
delaysepashould separation method be delayed, if other separators found cuts?
void SCIPconshdlrSetProp ( SCIP_CONSHDLR conshdlr,
SCIP_DECL_CONSPROP((*consprop))  ,
int  propfreq,
SCIP_Bool  delayprop,
SCIP_PROPTIMING  timingmask 
)

sets both the propagation callback and the propagation frequency of the constraint handler

Parameters
conshdlrconstraint handler
propfreqfrequency for propagating domains; zero means only preprocessing propagation
delaypropshould propagation method be delayed, if other propagators found reductions?
timingmaskpositions in the node solving loop where propagators should be executed
SCIP_CONS** SCIPconshdlrGetConss ( SCIP_CONSHDLR conshdlr)

gets array with constraints of constraint handler; the first SCIPconshdlrGetNActiveConss() entries are the active constraints, the last SCIPconshdlrGetNConss() - SCIPconshdlrGetNActiveConss() constraints are deactivated

Note
A constraint is active if it is global and was not removed or it was added locally (in that case the local flag is TRUE) and the current node belongs to the corresponding sub tree.
Parameters
conshdlrconstraint handler
SCIP_CONS** SCIPconshdlrGetEnfoConss ( SCIP_CONSHDLR conshdlr)

gets array with enforced constraints of constraint handler; this is local information

Parameters
conshdlrconstraint handler
SCIP_CONS** SCIPconshdlrGetCheckConss ( SCIP_CONSHDLR conshdlr)

gets array with checked constraints of constraint handler; this is local information

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNConss ( SCIP_CONSHDLR conshdlr)

gets total number of existing transformed constraints of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNEnfoConss ( SCIP_CONSHDLR conshdlr)

gets number of enforced constraints of constraint handler; this is local information

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNCheckConss ( SCIP_CONSHDLR conshdlr)

gets number of checked constraints of constraint handler; this is local information

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNActiveConss ( SCIP_CONSHDLR conshdlr)

gets number of active constraints of constraint handler

Note
A constraint is active if it is global and was not removed or it was added locally (in that case the local flag is TRUE) and the current node belongs to the corresponding sub tree.
Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNEnabledConss ( SCIP_CONSHDLR conshdlr)

gets number of enabled constraints of constraint handler

Parameters
conshdlrconstraint handler
SCIP_Real SCIPconshdlrGetSetupTime ( SCIP_CONSHDLR conshdlr)

gets time in seconds used for setting up this constraint handler for new stages

Parameters
conshdlrconstraint handler
SCIP_Real SCIPconshdlrGetPresolTime ( SCIP_CONSHDLR conshdlr)

gets time in seconds used for presolving in this constraint handler

Parameters
conshdlrconstraint handler
SCIP_Real SCIPconshdlrGetSepaTime ( SCIP_CONSHDLR conshdlr)

gets time in seconds used for separation in this constraint handler

Parameters
conshdlrconstraint handler
SCIP_Real SCIPconshdlrGetEnfoLPTime ( SCIP_CONSHDLR conshdlr)

gets time in seconds used for LP enforcement in this constraint handler

Parameters
conshdlrconstraint handler
SCIP_Real SCIPconshdlrGetEnfoPSTime ( SCIP_CONSHDLR conshdlr)

gets time in seconds used for pseudo enforcement in this constraint handler

Parameters
conshdlrconstraint handler
SCIP_Real SCIPconshdlrGetPropTime ( SCIP_CONSHDLR conshdlr)

gets time in seconds used for propagation in this constraint handler

Parameters
conshdlrconstraint handler
SCIP_Real SCIPconshdlrGetStrongBranchPropTime ( SCIP_CONSHDLR conshdlr)

gets time in seconds used for propagation in this constraint handler during strong branching

Parameters
conshdlrconstraint handler
SCIP_Real SCIPconshdlrGetCheckTime ( SCIP_CONSHDLR conshdlr)

gets time in seconds used for feasibility checking in this constraint handler

Parameters
conshdlrconstraint handler
SCIP_Real SCIPconshdlrGetRespropTime ( SCIP_CONSHDLR conshdlr)

gets time in seconds used for resolving propagation in this constraint handler

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNSepaCalls ( SCIP_CONSHDLR conshdlr)

gets number of calls to the constraint handler's separation method

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNEnfoLPCalls ( SCIP_CONSHDLR conshdlr)

gets number of calls to the constraint handler's LP enforcing method

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNEnfoPSCalls ( SCIP_CONSHDLR conshdlr)

gets number of calls to the constraint handler's pseudo enforcing method

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNPropCalls ( SCIP_CONSHDLR conshdlr)

gets number of calls to the constraint handler's propagation method

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNCheckCalls ( SCIP_CONSHDLR conshdlr)

gets number of calls to the constraint handler's checking method

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNRespropCalls ( SCIP_CONSHDLR conshdlr)

gets number of calls to the constraint handler's resolve propagation method

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNCutoffs ( SCIP_CONSHDLR conshdlr)

gets total number of times, this constraint handler detected a cutoff

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNCutsFound ( SCIP_CONSHDLR conshdlr)

gets total number of cuts found by this constraint handler

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNCutsApplied ( SCIP_CONSHDLR conshdlr)

gets total number of cuts found by this constraint handler applied to lp

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNConssFound ( SCIP_CONSHDLR conshdlr)

gets total number of additional constraints added by this constraint handler

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNDomredsFound ( SCIP_CONSHDLR conshdlr)

gets total number of domain reductions found by this constraint handler

Parameters
conshdlrconstraint handler
SCIP_Longint SCIPconshdlrGetNChildren ( SCIP_CONSHDLR conshdlr)

gets number of children created by this constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetMaxNActiveConss ( SCIP_CONSHDLR conshdlr)

gets maximum number of active constraints of constraint handler existing at the same time

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetStartNActiveConss ( SCIP_CONSHDLR conshdlr)

gets initial number of active constraints of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNFixedVars ( SCIP_CONSHDLR conshdlr)

gets number of variables fixed in presolving method of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNAggrVars ( SCIP_CONSHDLR conshdlr)

gets number of variables aggregated in presolving method of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNChgVarTypes ( SCIP_CONSHDLR conshdlr)

gets number of variable types changed in presolving method of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNChgBds ( SCIP_CONSHDLR conshdlr)

gets number of bounds changed in presolving method of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNAddHoles ( SCIP_CONSHDLR conshdlr)

gets number of holes added to domains of variables in presolving method of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNDelConss ( SCIP_CONSHDLR conshdlr)

gets number of constraints deleted in presolving method of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNAddConss ( SCIP_CONSHDLR conshdlr)

gets number of constraints added in presolving method of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNUpgdConss ( SCIP_CONSHDLR conshdlr)

gets number of constraints upgraded in presolving method of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNChgCoefs ( SCIP_CONSHDLR conshdlr)

gets number of coefficients changed in presolving method of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNChgSides ( SCIP_CONSHDLR conshdlr)

gets number of constraint sides changed in presolving method of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetNPresolCalls ( SCIP_CONSHDLR conshdlr)

gets number of times the presolving method of the constraint handler was called and tried to find reductions

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetSepaPriority ( SCIP_CONSHDLR conshdlr)

gets separation priority of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetEnfoPriority ( SCIP_CONSHDLR conshdlr)

gets enforcing priority of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetCheckPriority ( SCIP_CONSHDLR conshdlr)

gets checking priority of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetSepaFreq ( SCIP_CONSHDLR conshdlr)

gets separation frequency of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetPropFreq ( SCIP_CONSHDLR conshdlr)

gets propagation frequency of constraint handler

Parameters
conshdlrconstraint handler
int SCIPconshdlrGetEagerFreq ( SCIP_CONSHDLR conshdlr)

gets frequency of constraint handler for eager evaluations in separation, propagation and enforcement

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrNeedsCons ( SCIP_CONSHDLR conshdlr)

needs constraint handler a constraint to be called?

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrDoesPresolve ( SCIP_CONSHDLR conshdlr)

does the constraint handler perform presolving?

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrIsSeparationDelayed ( SCIP_CONSHDLR conshdlr)

should separation method be delayed, if other separators found cuts?

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrIsPropagationDelayed ( SCIP_CONSHDLR conshdlr)

should propagation method be delayed, if other propagators found reductions?

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrIsPresolvingDelayed ( SCIP_CONSHDLR conshdlr)

should presolving method be delayed, if other presolvers found reductions?

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrWasLPSeparationDelayed ( SCIP_CONSHDLR conshdlr)

was LP separation method delayed at the last call?

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrWasSolSeparationDelayed ( SCIP_CONSHDLR conshdlr)

was primal solution separation method delayed at the last call?

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrWasPropagationDelayed ( SCIP_CONSHDLR conshdlr)

was propagation method delayed at the last call?

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrWasPresolvingDelayed ( SCIP_CONSHDLR conshdlr)

was presolving method delayed at the last call?

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrIsInitialized ( SCIP_CONSHDLR conshdlr)

is constraint handler initialized?

Parameters
conshdlrconstraint handler
SCIP_Bool SCIPconshdlrIsClonable ( SCIP_CONSHDLR conshdlr)

does the constraint handler have a copy function?

Parameters
conshdlrconstraint handler
SCIP_PROPTIMING SCIPconshdlrGetPropTimingmask ( SCIP_CONSHDLR conshdlr)

returns the timing mask of the propagation method of the constraint handler

Parameters
conshdlrconstraint handler
const char* SCIPconsGetName ( SCIP_CONS cons)

returns the name of the constraint

Note
to change the name of a constraint, use SCIPchgConsName() from scip.h
Parameters
consconstraint
int SCIPconsGetPos ( SCIP_CONS cons)

returns the position of constraint in the corresponding handler's conss array

Parameters
consconstraint
SCIP_CONSHDLR* SCIPconsGetHdlr ( SCIP_CONS cons)

returns the constraint handler of the constraint

Parameters
consconstraint
SCIP_CONSDATA* SCIPconsGetData ( SCIP_CONS cons)

returns the constraint data field of the constraint

Parameters
consconstraint
int SCIPconsGetNUses ( SCIP_CONS cons)

gets number of times, the constraint is currently captured

Parameters
consconstraint
int SCIPconsGetActiveDepth ( SCIP_CONS cons)

for an active constraint, returns the depth in the tree at which the constraint was activated

Parameters
consconstraint
int SCIPconsGetValidDepth ( SCIP_CONS cons)

returns the depth in the tree at which the constraint is valid; returns INT_MAX, if the constraint is local and currently not active

Parameters
consconstraint
SCIP_Bool SCIPconsIsActive ( SCIP_CONS cons)

returns TRUE iff constraint is active in the current node

Parameters
consconstraint
SCIP_Bool SCIPconsIsEnabled ( SCIP_CONS cons)

returns TRUE iff constraint is enabled in the current node

Parameters
consconstraint
SCIP_Bool SCIPconsIsSeparationEnabled ( SCIP_CONS cons)

returns TRUE iff constraint's separation is enabled in the current node

Parameters
consconstraint
SCIP_Bool SCIPconsIsPropagationEnabled ( SCIP_CONS cons)

returns TRUE iff constraint's propagation is enabled in the current node

Parameters
consconstraint
SCIP_Bool SCIPconsIsDeleted ( SCIP_CONS cons)

returns TRUE iff constraint is deleted or marked to be deleted

Parameters
consconstraint
SCIP_Bool SCIPconsIsObsolete ( SCIP_CONS cons)

returns TRUE iff constraint is marked obsolete

Parameters
consconstraint
SCIP_Real SCIPconsGetAge ( SCIP_CONS cons)

gets age of constraint

Parameters
consconstraint
SCIP_Bool SCIPconsIsInitial ( SCIP_CONS cons)

returns TRUE iff the LP relaxation of constraint should be in the initial LP

Parameters
consconstraint
SCIP_Bool SCIPconsIsSeparated ( SCIP_CONS cons)

returns TRUE iff constraint should be separated during LP processing

Parameters
consconstraint
SCIP_Bool SCIPconsIsEnforced ( SCIP_CONS cons)

returns TRUE iff constraint should be enforced during node processing

Parameters
consconstraint
SCIP_Bool SCIPconsIsChecked ( SCIP_CONS cons)

returns TRUE iff constraint should be checked for feasibility

Parameters
consconstraint
SCIP_Bool SCIPconsIsMarkedPropagate ( SCIP_CONS cons)

returns whether the constraint is marked for propagation

Parameters
consconstraint
SCIP_Bool SCIPconsIsPropagated ( SCIP_CONS cons)

returns TRUE iff constraint should be propagated during node processing

Parameters
consconstraint
SCIP_Bool SCIPconsIsGlobal ( SCIP_CONS cons)

returns TRUE iff constraint is globally valid

Parameters
consconstraint
SCIP_Bool SCIPconsIsLocal ( SCIP_CONS cons)

returns TRUE iff constraint is only locally valid or not added to any (sub)problem

Parameters
consconstraint
SCIP_Bool SCIPconsIsModifiable ( SCIP_CONS cons)

returns TRUE iff constraint is modifiable (subject to column generation)

Parameters
consconstraint
SCIP_Bool SCIPconsIsDynamic ( SCIP_CONS cons)

returns TRUE iff constraint is subject to aging

Parameters
consconstraint
SCIP_Bool SCIPconsIsRemovable ( SCIP_CONS cons)

returns TRUE iff constraint's relaxation should be removed from the LP due to aging or cleanup

Parameters
consconstraint
SCIP_Bool SCIPconsIsStickingAtNode ( SCIP_CONS cons)

returns TRUE iff constraint's relaxation should be removed from the LP due to aging or cleanup

Parameters
consconstraint
SCIP_Bool SCIPconsIsInProb ( SCIP_CONS cons)

returns TRUE iff constraint belongs to the global problem

Parameters
consconstraint
SCIP_Bool SCIPconsIsOriginal ( SCIP_CONS cons)

returns TRUE iff constraint is belonging to original space

Parameters
consconstraint
SCIP_Bool SCIPconsIsTransformed ( SCIP_CONS cons)

returns TRUE iff constraint is belonging to transformed space

Parameters
consconstraint
SCIP_Bool SCIPconsIsLockedPos ( SCIP_CONS cons)

returns TRUE iff roundings for variables in constraint are locked

Parameters
consconstraint
SCIP_Bool SCIPconsIsLockedNeg ( SCIP_CONS cons)

returns TRUE iff roundings for variables in constraint's negation are locked

Parameters
consconstraint
SCIP_Bool SCIPconsIsLocked ( SCIP_CONS cons)

returns TRUE iff roundings for variables in constraint or in constraint's negation are locked

Parameters
consconstraint
int SCIPconsGetNLocksPos ( SCIP_CONS cons)

get number of times the roundings for variables in constraint are locked

Parameters
consconstraint
int SCIPconsGetNLocksNeg ( SCIP_CONS cons)

get number of times the roundings for variables in constraint's negation are locked

Parameters
consconstraint
SCIP_Bool SCIPconsIsAdded ( SCIP_CONS cons)

returns if the constraint was already added to a SCIP instance

Parameters
consconstraint
void SCIPconsAddUpgradeLocks ( SCIP_CONS cons,
int  nlocks 
)

adds locks to (dis-)allow upgrading of constraint

Parameters
consconstraint to add locks
nlocksnumber of locks to add
int SCIPconsGetNUpgradeLocks ( SCIP_CONS cons)

gets number of locks against upgrading the constraint, 0 means this constraint can be upgraded

Parameters
consconstraint