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Detailed Description

constraint handler for bound disjunction constraints \((x_1 \{\leq,\geq\} b_1) \vee \ldots \vee (x_n \{\leq,\geq\} b_n)\)

Author
Tobias Achterberg
Marc Pfetsch

Definition in file cons_bounddisjunction.c.

#include "blockmemshell/memory.h"
#include "scip/cons_bounddisjunction.h"
#include "scip/cons_linear.h"
#include "scip/cons_logicor.h"
#include "scip/cons_setppc.h"
#include "scip/expr_pow.h"
#include "scip/expr_var.h"
#include "scip/pub_conflict.h"
#include "scip/pub_cons.h"
#include "scip/pub_event.h"
#include "scip/pub_lp.h"
#include "scip/pub_message.h"
#include "scip/pub_misc.h"
#include "scip/pub_var.h"
#include "scip/scip_branch.h"
#include "scip/scip_conflict.h"
#include "scip/scip_cons.h"
#include "scip/scip_copy.h"
#include "scip/scip_event.h"
#include "scip/scip_expr.h"
#include "scip/scip_general.h"
#include "scip/scip_mem.h"
#include "scip/scip_message.h"
#include "scip/scip_nlp.h"
#include "scip/scip_numerics.h"
#include "scip/scip_param.h"
#include "scip/scip_prob.h"
#include "scip/scip_probing.h"
#include "scip/scip_sol.h"
#include "scip/scip_solvingstats.h"
#include "scip/scip_tree.h"
#include "scip/scip_var.h"
#include "scip/symmetry_graph.h"
#include "symmetry/struct_symmetry.h"
#include <string.h>

Go to the source code of this file.

Macros

Constraint handler properties
#define CONSHDLR_NAME   "bounddisjunction"
 
#define CONSHDLR_DESC   "bound disjunction constraints"
 
#define CONSHDLR_ENFOPRIORITY   -3000000
 
#define CONSHDLR_CHECKPRIORITY   -3000000
 
#define CONSHDLR_PROPFREQ   1
 
#define CONSHDLR_EAGERFREQ   100
 
#define CONSHDLR_MAXPREROUNDS   -1
 
#define CONSHDLR_DELAYPROP   FALSE
 
#define CONSHDLR_NEEDSCONS   TRUE
 
#define CONSHDLR_PRESOLTIMING   SCIP_PRESOLTIMING_FAST
 
#define CONSHDLR_PROP_TIMING   SCIP_PROPTIMING_BEFORELP
 
Event handler properties
#define EVENTHDLR_NAME   "bounddisjunction"
 
#define EVENTHDLR_DESC   "event handler for bound disjunction constraints"
 
Conflict handler properties
#define CONFLICTHDLR_NAME   "bounddisjunction"
 
#define CONFLICTHDLR_DESC   "conflict handler creating bound disjunction constraints"
 
#define CONFLICTHDLR_PRIORITY   -3000000
 
Default parameter values
#define DEFAULT_CONTINUOUSFRAC   0.4
 
Age increase defines
#define AGEINCREASE(n)
 
Comparison for two values
#define isFeasLT(scip, var, val1, val2)
 
#define isFeasLE(scip, var, val1, val2)
 
#define isFeasGT(scip, var, val1, val2)
 
#define isFeasGE(scip, var, val1, val2)
 

Functions

SCIP_RETCODE SCIPincludeConshdlrBounddisjunction (SCIP *scip)
 
SCIP_RETCODE SCIPcreateConsBounddisjunction (SCIP *scip, SCIP_CONS **cons, const char *name, int nvars, SCIP_VAR **vars, SCIP_BOUNDTYPE *boundtypes, SCIP_Real *bounds, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool modifiable, SCIP_Bool dynamic, SCIP_Bool removable, SCIP_Bool stickingatnode)
 
SCIP_RETCODE SCIPcreateConsBasicBounddisjunction (SCIP *scip, SCIP_CONS **cons, const char *name, int nvars, SCIP_VAR **vars, SCIP_BOUNDTYPE *boundtypes, SCIP_Real *bounds)
 
SCIP_RETCODE SCIPcreateConsBounddisjunctionRedundant (SCIP *scip, SCIP_CONS **cons, const char *name, int nvars, SCIP_VAR **vars, SCIP_BOUNDTYPE *boundtypes, SCIP_Real *bounds, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool modifiable, SCIP_Bool dynamic, SCIP_Bool removable, SCIP_Bool stickingatnode)
 
SCIP_RETCODE SCIPcreateConsBasicBounddisjunctionRedundant (SCIP *scip, SCIP_CONS **cons, const char *name, int nvars, SCIP_VAR **vars, SCIP_BOUNDTYPE *boundtypes, SCIP_Real *bounds)
 
int SCIPgetNVarsBounddisjunction (SCIP *scip, SCIP_CONS *cons)
 
SCIP_VAR ** SCIPgetVarsBounddisjunction (SCIP *scip, SCIP_CONS *cons)
 
SCIP_BOUNDTYPESCIPgetBoundtypesBounddisjunction (SCIP *scip, SCIP_CONS *cons)
 
SCIP_RealSCIPgetBoundsBounddisjunction (SCIP *scip, SCIP_CONS *cons)
 
Local methods
static SCIP_RETCODE lockRounding (SCIP *scip, SCIP_CONS *cons, SCIP_CONSDATA *consdata, int pos)
 
static SCIP_RETCODE unlockRounding (SCIP *scip, SCIP_CONS *cons, SCIP_CONSDATA *consdata, int pos)
 
static SCIP_RETCODE catchEvents (SCIP *scip, SCIP_CONS *cons, SCIP_CONSDATA *consdata, SCIP_EVENTHDLR *eventhdlr, int pos, int *filterpos)
 
static SCIP_RETCODE dropEvents (SCIP *scip, SCIP_CONS *cons, SCIP_CONSDATA *consdata, SCIP_EVENTHDLR *eventhdlr, int pos, int filterpos)
 
static SCIP_RETCODE conshdlrdataCreate (SCIP *scip, SCIP_CONSHDLRDATA **conshdlrdata, SCIP_EVENTHDLR *eventhdlr)
 
static void conshdlrdataFree (SCIP *scip, SCIP_CONSHDLRDATA **conshdlrdata)
 
static SCIP_RETCODE consdataCreate (SCIP *scip, SCIP_CONSDATA **consdata, int nvars, SCIP_VAR **vars, SCIP_BOUNDTYPE *boundtypes, SCIP_Real *bounds)
 
static SCIP_RETCODE consdataCreateRedundant (SCIP *scip, SCIP_CONSDATA **consdata, int nvars, SCIP_VAR **vars, SCIP_BOUNDTYPE *boundtypes, SCIP_Real *bounds)
 
static void consdataFree (SCIP *scip, SCIP_CONSDATA **consdata)
 
static void consdataPrint (SCIP *scip, SCIP_CONSDATA *consdata, FILE *file, SCIP_Bool endline)
 
static SCIP_RETCODE switchWatchedvars (SCIP *scip, SCIP_CONS *cons, SCIP_EVENTHDLR *eventhdlr, int watchedvar1, int watchedvar2)
 
static SCIP_Bool isOverlapping (SCIP *scip, SCIP_VAR *var, SCIP_BOUNDTYPE boundtype1, SCIP_Real bound1, SCIP_BOUNDTYPE boundtype2, SCIP_Real bound2)
 
static SCIP_RETCODE delCoefPos (SCIP *scip, SCIP_CONS *cons, SCIP_EVENTHDLR *eventhdlr, int pos)
 
static SCIP_RETCODE addCoef (SCIP *scip, SCIP_CONS *cons, SCIP_EVENTHDLR *eventhdlr, SCIP_VAR *var, SCIP_BOUNDTYPE boundtype, SCIP_Real bound, SCIP_Bool *redundant)
 
static SCIP_RETCODE applyGlobalBounds (SCIP *scip, SCIP_CONS *cons, SCIP_EVENTHDLR *eventhdlr, SCIP_Bool *redundant)
 
static SCIP_Bool isLiteralSatisfied (SCIP *scip, SCIP_CONSDATA *consdata, int pos)
 
static SCIP_Bool isLiteralViolated (SCIP *scip, SCIP_CONSDATA *consdata, int pos)
 
static SCIP_RETCODE removeFixedVariables (SCIP *scip, SCIP_CONS *cons, SCIP_EVENTHDLR *eventhdlr, SCIP_Bool *redundant)
 
static SCIP_RETCODE upgradeCons (SCIP *scip, SCIP_CONS *cons, int *ndelconss, int *naddconss)
 
static SCIP_RETCODE analyzeConflict (SCIP *scip, SCIP_CONS *cons)
 
static SCIP_RETCODE disableCons (SCIP *scip, SCIP_CONS *cons)
 
static SCIP_RETCODE processWatchedVars (SCIP *scip, SCIP_CONS *cons, SCIP_EVENTHDLR *eventhdlr, SCIP_Bool *cutoff, SCIP_Bool *infeasible, SCIP_Bool *reduceddom, SCIP_Bool *mustcheck)
 
static SCIP_Bool isConsViolated (SCIP *scip, SCIP_CONS *cons, SCIP_SOL *sol)
 
static SCIP_RETCODE registerBranchingCandidates (SCIP *scip, SCIP_CONS *cons, SCIP_SOL *sol, SCIP_Bool *cutoff, SCIP_Bool *neednarybranch)
 
static SCIP_RETCODE enforceCurrentSol (SCIP *scip, SCIP_CONS *cons, SCIP_SOL *sol, SCIP_EVENTHDLR *eventhdlr, SCIP_Bool *cutoff, SCIP_Bool *infeasible, SCIP_Bool *reduceddom, SCIP_Bool *registeredbrcand)
 
static SCIP_RETCODE createNAryBranch (SCIP *scip, SCIP_CONS *cons, SCIP_SOL *sol)
 
static SCIP_RETCODE enforceConstraint (SCIP *scip, SCIP_CONSHDLR *conshdlr, SCIP_CONS **conss, int nconss, SCIP_SOL *sol, SCIP_RESULT *result)
 
static SCIP_RETCODE addSymmetryInformation (SCIP *scip, SYM_SYMTYPE symtype, SCIP_CONS *cons, SYM_GRAPH *graph, SCIP_Bool *success)
 
Callback methods of constraint handler
static SCIP_DECL_CONSHDLRCOPY (conshdlrCopyBounddisjunction)
 
static SCIP_DECL_CONSFREE (consFreeBounddisjunction)
 
static SCIP_DECL_CONSEXITPRE (consExitpreBounddisjunction)
 
static SCIP_DECL_CONSINITSOL (consInitsolBounddisjunction)
 
static SCIP_DECL_CONSDELETE (consDeleteBounddisjunction)
 
static SCIP_DECL_CONSTRANS (consTransBounddisjunction)
 
static SCIP_DECL_CONSENFOLP (consEnfolpBounddisjunction)
 
static SCIP_DECL_CONSENFORELAX (consEnforelaxBounddisjunction)
 
static SCIP_DECL_CONSENFOPS (consEnfopsBounddisjunction)
 
static SCIP_DECL_CONSCHECK (consCheckBounddisjunction)
 
static SCIP_DECL_CONSPROP (consPropBounddisjunction)
 
static SCIP_DECL_CONSPRESOL (consPresolBounddisjunction)
 
static SCIP_DECL_CONSRESPROP (consRespropBounddisjunction)
 
static SCIP_DECL_CONSLOCK (consLockBounddisjunction)
 
static SCIP_DECL_CONSACTIVE (consActiveBounddisjunction)
 
static SCIP_DECL_CONSDEACTIVE (consDeactiveBounddisjunction)
 
static SCIP_DECL_CONSPRINT (consPrintBounddisjunction)
 
static SCIP_DECL_CONSCOPY (consCopyBounddisjunction)
 
static SCIP_DECL_CONSPARSE (consParseBounddisjunction)
 
static SCIP_DECL_CONSGETVARS (consGetVarsBounddisjunction)
 
static SCIP_DECL_CONSGETNVARS (consGetNVarsBounddisjunction)
 
static SCIP_DECL_CONSGETPERMSYMGRAPH (consGetPermsymGraphBounddisjunction)
 
static SCIP_DECL_CONSGETSIGNEDPERMSYMGRAPH (consGetSignedPermsymGraphBounddisjunction)
 
Callback methods of event handler
static SCIP_DECL_EVENTEXEC (eventExecBounddisjunction)
 
Callback methods of conflict handler
static SCIP_DECL_CONFLICTEXEC (conflictExecBounddisjunction)
 
static SCIP_DECL_CONFLICTFREE (conflictFreeBounddisjunction)
 

Macro Definition Documentation

◆ CONSHDLR_NAME

#define CONSHDLR_NAME   "bounddisjunction"

Definition at line 74 of file cons_bounddisjunction.c.

◆ CONSHDLR_DESC

#define CONSHDLR_DESC   "bound disjunction constraints"

Definition at line 75 of file cons_bounddisjunction.c.

◆ CONSHDLR_ENFOPRIORITY

#define CONSHDLR_ENFOPRIORITY   -3000000

priority of the constraint handler for constraint enforcing

Definition at line 76 of file cons_bounddisjunction.c.

◆ CONSHDLR_CHECKPRIORITY

#define CONSHDLR_CHECKPRIORITY   -3000000

priority of the constraint handler for checking feasibility

Definition at line 77 of file cons_bounddisjunction.c.

◆ CONSHDLR_PROPFREQ

#define CONSHDLR_PROPFREQ   1

frequency for propagating domains; zero means only preprocessing propagation

Definition at line 78 of file cons_bounddisjunction.c.

◆ CONSHDLR_EAGERFREQ

#define CONSHDLR_EAGERFREQ   100

frequency for using all instead of only the useful constraints in separation, propagation and enforcement, -1 for no eager evaluations, 0 for first only

Definition at line 79 of file cons_bounddisjunction.c.

◆ CONSHDLR_MAXPREROUNDS

#define CONSHDLR_MAXPREROUNDS   -1

maximal number of presolving rounds the constraint handler participates in (-1: no limit)

Definition at line 81 of file cons_bounddisjunction.c.

◆ CONSHDLR_DELAYPROP

#define CONSHDLR_DELAYPROP   FALSE

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

Definition at line 82 of file cons_bounddisjunction.c.

◆ CONSHDLR_NEEDSCONS

#define CONSHDLR_NEEDSCONS   TRUE

should the constraint handler be skipped, if no constraints are available?

Definition at line 83 of file cons_bounddisjunction.c.

◆ CONSHDLR_PRESOLTIMING

#define CONSHDLR_PRESOLTIMING   SCIP_PRESOLTIMING_FAST

Definition at line 85 of file cons_bounddisjunction.c.

◆ CONSHDLR_PROP_TIMING

#define CONSHDLR_PROP_TIMING   SCIP_PROPTIMING_BEFORELP

Definition at line 86 of file cons_bounddisjunction.c.

◆ EVENTHDLR_NAME

#define EVENTHDLR_NAME   "bounddisjunction"

Definition at line 95 of file cons_bounddisjunction.c.

◆ EVENTHDLR_DESC

#define EVENTHDLR_DESC   "event handler for bound disjunction constraints"

Definition at line 96 of file cons_bounddisjunction.c.

◆ CONFLICTHDLR_NAME

◆ CONFLICTHDLR_DESC

#define CONFLICTHDLR_DESC   "conflict handler creating bound disjunction constraints"

◆ CONFLICTHDLR_PRIORITY

◆ DEFAULT_CONTINUOUSFRAC

#define DEFAULT_CONTINUOUSFRAC   0.4

maximal percantage of continuous variables within a conflict

Definition at line 116 of file cons_bounddisjunction.c.

Referenced by SCIPincludeConshdlrBounddisjunction().

◆ AGEINCREASE

#define AGEINCREASE ( n)
Value:
(1.0 + 0.2*n)

Definition at line 127 of file cons_bounddisjunction.c.

Referenced by processWatchedVars().

◆ isFeasLT

#define isFeasLT ( scip,
var,
val1,
val2 )
Value:
SCIPisFeasLT(scip, val1, val2)
SCIP_Bool SCIPisFeasLT(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

Definition at line 147 of file cons_bounddisjunction.c.

Referenced by applyGlobalBounds(), consdataCreateRedundant(), createNAryBranch(), isLiteralViolated(), and registerBranchingCandidates().

◆ isFeasLE

#define isFeasLE ( scip,
var,
val1,
val2 )
Value:
SCIPisFeasLE(scip, val1, val2)
SCIP_Bool SCIPisFeasLE(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

Definition at line 148 of file cons_bounddisjunction.c.

Referenced by applyGlobalBounds(), consdataCreate(), consdataCreateRedundant(), createNAryBranch(), isConsViolated(), isLiteralSatisfied(), and removeFixedVariables().

◆ isFeasGT

#define isFeasGT ( scip,
var,
val1,
val2 )
Value:
SCIPisFeasGT(scip, val1, val2)
SCIP_Bool SCIPisFeasGT(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

Definition at line 149 of file cons_bounddisjunction.c.

Referenced by applyGlobalBounds(), consdataCreateRedundant(), createNAryBranch(), isLiteralViolated(), and registerBranchingCandidates().

◆ isFeasGE

#define isFeasGE ( scip,
var,
val1,
val2 )
Value:
SCIPisFeasGE(scip, val1, val2)
SCIP_Bool SCIPisFeasGE(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

Definition at line 150 of file cons_bounddisjunction.c.

Referenced by applyGlobalBounds(), consdataCreate(), consdataCreateRedundant(), createNAryBranch(), isConsViolated(), isLiteralSatisfied(), and removeFixedVariables().

Function Documentation

◆ lockRounding()

static SCIP_RETCODE lockRounding ( SCIP * scip,
SCIP_CONS * cons,
SCIP_CONSDATA * consdata,
int pos )
static

adds rounding locks for the given variable in the given bound disjunction constraint

Parameters
scipSCIP data structure
consbound disjunction constraint
consdatabound disjunction constraint data
posposition of the variable in the constraint

Definition at line 182 of file cons_bounddisjunction.c.

References assert(), FALSE, NULL, nvars, SCIP_BOUNDTYPE_LOWER, SCIP_CALL, SCIP_OKAY, SCIPlockVarCons(), and TRUE.

Referenced by addCoef().

◆ unlockRounding()

static SCIP_RETCODE unlockRounding ( SCIP * scip,
SCIP_CONS * cons,
SCIP_CONSDATA * consdata,
int pos )
static

removes rounding locks for the given variable in the given bound disjunction constraint

Parameters
scipSCIP data structure
consbound disjunction constraint
consdatabound disjunction constraint data
posposition of the variable in the constraint

Definition at line 206 of file cons_bounddisjunction.c.

References assert(), FALSE, NULL, nvars, SCIP_BOUNDTYPE_LOWER, SCIP_CALL, SCIP_OKAY, SCIPunlockVarCons(), and TRUE.

Referenced by delCoefPos().

◆ catchEvents()

static SCIP_RETCODE catchEvents ( SCIP * scip,
SCIP_CONS * cons,
SCIP_CONSDATA * consdata,
SCIP_EVENTHDLR * eventhdlr,
int pos,
int * filterpos )
static

catches the events on a single variable of the bound disjunction constraint

Parameters
scipSCIP data structure
consbound disjunction constraint
consdatabound disjunction constraint data
eventhdlrevent handler to call for the event processing
posposition of the variable in the constraint
filterpospointer to store position of event filter entry, or NULL

Definition at line 230 of file cons_bounddisjunction.c.

References assert(), NULL, nvars, SCIP_BOUNDTYPE_LOWER, SCIP_CALL, SCIP_EVENTTYPE_LBRELAXED, SCIP_EVENTTYPE_LBTIGHTENED, SCIP_EVENTTYPE_UBRELAXED, SCIP_EVENTTYPE_UBTIGHTENED, SCIP_OKAY, and SCIPcatchVarEvent().

Referenced by SCIP_DECL_CONSACTIVE(), and switchWatchedvars().

◆ dropEvents()

static SCIP_RETCODE dropEvents ( SCIP * scip,
SCIP_CONS * cons,
SCIP_CONSDATA * consdata,
SCIP_EVENTHDLR * eventhdlr,
int pos,
int filterpos )
static

drops the events on a single variable of the bound disjunction constraint

Parameters
scipSCIP data structure
consbound disjunction constraint
consdatabound disjunction constraint data
eventhdlrevent handler to call for the event processing
posposition of the variable in the constraint
filterposposition of event filter entry returned by SCIPcatchVarEvent(), or -1

Definition at line 258 of file cons_bounddisjunction.c.

References assert(), NULL, nvars, SCIP_BOUNDTYPE_LOWER, SCIP_CALL, SCIP_EVENTTYPE_LBRELAXED, SCIP_EVENTTYPE_LBTIGHTENED, SCIP_EVENTTYPE_UBRELAXED, SCIP_EVENTTYPE_UBTIGHTENED, SCIP_OKAY, and SCIPdropVarEvent().

Referenced by SCIP_DECL_CONSDEACTIVE(), and switchWatchedvars().

◆ conshdlrdataCreate()

static SCIP_RETCODE conshdlrdataCreate ( SCIP * scip,
SCIP_CONSHDLRDATA ** conshdlrdata,
SCIP_EVENTHDLR * eventhdlr )
static

creates constraint handler data for bound disjunction constraint handler

Parameters
scipSCIP data structure
conshdlrdatapointer to store the constraint handler data
eventhdlrevent handler

Definition at line 286 of file cons_bounddisjunction.c.

References assert(), NULL, SCIP_CALL, SCIP_OKAY, and SCIPallocBlockMemory.

Referenced by SCIPincludeConshdlrBounddisjunction().

◆ conshdlrdataFree()

static void conshdlrdataFree ( SCIP * scip,
SCIP_CONSHDLRDATA ** conshdlrdata )
static

frees constraint handler data for bound disjunction constraint handler

Parameters
scipSCIP data structure
conshdlrdatapointer to the constraint handler data

Definition at line 306 of file cons_bounddisjunction.c.

References assert(), NULL, and SCIPfreeBlockMemory.

Referenced by SCIP_DECL_CONSFREE().

◆ consdataCreate()

static SCIP_RETCODE consdataCreate ( SCIP * scip,
SCIP_CONSDATA ** consdata,
int nvars,
SCIP_VAR ** vars,
SCIP_BOUNDTYPE * boundtypes,
SCIP_Real * bounds )
static

creates a bound disjunction constraint data object

Parameters
scipSCIP data structure
consdatapointer to store the bound disjunction constraint data
nvarsnumber of variables in the constraint
varsvariables of the literals in the constraint
boundtypestypes of bounds of the literals (lower or upper bounds)
boundsbounds of the literals

Definition at line 319 of file cons_bounddisjunction.c.

References assert(), bound, FALSE, isFeasGE, isFeasLE, NULL, nvars, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPallocBlockMemory, SCIPallocBufferArray, SCIPduplicateBlockMemoryArray, SCIPfreeBufferArray, SCIPgetTransformedVars(), SCIPisConsCompressionEnabled(), SCIPisEQ(), SCIPisTransformed(), SCIPvarGetLbGlobal(), SCIPvarGetLbLocal(), SCIPvarGetUbGlobal(), SCIPvarGetUbLocal(), TRUE, var, and vars.

Referenced by SCIP_DECL_CONSTRANS(), and SCIPcreateConsBounddisjunction().

◆ consdataCreateRedundant()

static SCIP_RETCODE consdataCreateRedundant ( SCIP * scip,
SCIP_CONSDATA ** consdata,
int nvars,
SCIP_VAR ** vars,
SCIP_BOUNDTYPE * boundtypes,
SCIP_Real * bounds )
static

creates a bound disjunction constraint data object with possibly redundant literals

Parameters
scipSCIP data structure
consdatapointer to store the bound disjunction constraint data
nvarsnumber of variables in the constraint
varsvariables of the literals in the constraint
boundtypestypes of bounds of the literals (lower or upper bounds)
boundsbounds of the literals

Definition at line 452 of file cons_bounddisjunction.c.

References assert(), isFeasGE, isFeasGT, isFeasLE, isFeasLT, NULL, nvars, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPallocBlockMemory, SCIPduplicateBlockMemoryArray, SCIPduplicateBufferArray, SCIPfreeBufferArray, SCIPgetTransformedVars(), SCIPisConsCompressionEnabled(), SCIPisEQ(), SCIPisTransformed(), SCIPsortPtrRealInt(), SCIPswapInts(), SCIPvarGetLbGlobal(), SCIPvarGetLbLocal(), SCIPvarGetUbGlobal(), SCIPvarGetUbLocal(), var, and vars.

Referenced by SCIPcreateConsBounddisjunctionRedundant().

◆ consdataFree()

static void consdataFree ( SCIP * scip,
SCIP_CONSDATA ** consdata )
static

frees a bound disjunction constraint data

Parameters
scipSCIP data structure
consdatapointer to the bound disjunction constraint

Definition at line 646 of file cons_bounddisjunction.c.

References assert(), NULL, SCIPfreeBlockMemory, and SCIPfreeBlockMemoryArrayNull.

Referenced by SCIP_DECL_CONSDELETE().

◆ consdataPrint()

static void consdataPrint ( SCIP * scip,
SCIP_CONSDATA * consdata,
FILE * file,
SCIP_Bool endline )
static

prints bound disjunction constraint to file stream

Parameters
scipSCIP data structure
consdatabound disjunction constraint data
fileoutput file (or NULL for standard output)
endlineshould an endline be set?

Definition at line 662 of file cons_bounddisjunction.c.

References assert(), NULL, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIPinfoMessage(), and SCIPvarGetName().

Referenced by applyGlobalBounds(), SCIP_DECL_CONSACTIVE(), SCIP_DECL_CONSDEACTIVE(), and SCIP_DECL_CONSPRINT().

◆ switchWatchedvars()

static SCIP_RETCODE switchWatchedvars ( SCIP * scip,
SCIP_CONS * cons,
SCIP_EVENTHDLR * eventhdlr,
int watchedvar1,
int watchedvar2 )
static

stores the given variable numbers as watched variables, and updates the event processing

Parameters
scipSCIP data structure
consbound disjunction constraint
eventhdlrevent handler to call for the event processing
watchedvar1new first watched variable
watchedvar2new second watched variable

Definition at line 691 of file cons_bounddisjunction.c.

References assert(), catchEvents(), dropEvents(), NULL, nvars, SCIP_CALL, SCIP_OKAY, SCIPconsGetData(), and SCIPconsIsActive().

Referenced by addCoef(), delCoefPos(), and processWatchedVars().

◆ isOverlapping()

static SCIP_Bool isOverlapping ( SCIP * scip,
SCIP_VAR * var,
SCIP_BOUNDTYPE boundtype1,
SCIP_Real bound1,
SCIP_BOUNDTYPE boundtype2,
SCIP_Real bound2 )
static

◆ delCoefPos()

static SCIP_RETCODE delCoefPos ( SCIP * scip,
SCIP_CONS * cons,
SCIP_EVENTHDLR * eventhdlr,
int pos )
static

deletes coefficient at given position from bound disjunction constraint data

Parameters
scipSCIP data structure
consbound disjunction constraint
eventhdlrevent handler to call for the event processing
posposition of coefficient to delete

Definition at line 791 of file cons_bounddisjunction.c.

References assert(), NULL, nvars, SCIP_CALL, SCIP_OKAY, SCIPconsGetData(), SCIPconsIsTransformed(), SCIPenableConsPropagation(), SCIPvarIsTransformed(), switchWatchedvars(), and unlockRounding().

Referenced by applyGlobalBounds(), and removeFixedVariables().

◆ addCoef()

static SCIP_RETCODE addCoef ( SCIP * scip,
SCIP_CONS * cons,
SCIP_EVENTHDLR * eventhdlr,
SCIP_VAR * var,
SCIP_BOUNDTYPE boundtype,
SCIP_Real bound,
SCIP_Bool * redundant )
static

adds literal to bound disjunction constraint data

Parameters
scipSCIP data structure
consbound disjunction constraint
eventhdlrevent handler to call for the event processing
varvariable in literal
boundtypeboundtype of literal
boundbound of literal
redundantflag to indicate whether constraint has been bound redundant

Definition at line 844 of file cons_bounddisjunction.c.

References assert(), bound, isOverlapping(), lockRounding(), NULL, REALABS, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPcalcMemGrowSize(), SCIPconsGetData(), SCIPconsGetName(), SCIPconsIsTransformed(), SCIPdebugMsg, SCIPenableConsPropagation(), SCIPisGT(), SCIPisInfinity(), SCIPisLT(), SCIPreallocBlockMemoryArray, SCIPvarGetName(), SCIPvarIsTransformed(), switchWatchedvars(), TRUE, and var.

Referenced by removeFixedVariables().

◆ applyGlobalBounds()

static SCIP_RETCODE applyGlobalBounds ( SCIP * scip,
SCIP_CONS * cons,
SCIP_EVENTHDLR * eventhdlr,
SCIP_Bool * redundant )
static

deletes all variables with global bounds violating the literal, checks for global bounds satisfying the literal

Parameters
scipSCIP data structure
consbound disjunction constraint
eventhdlrevent handler to call for the event processing
redundantreturns whether a variable fixed to one exists in the constraint

Definition at line 949 of file cons_bounddisjunction.c.

References assert(), consdataPrint(), delCoefPos(), FALSE, isFeasGE, isFeasGT, isFeasLE, isFeasLT, NULL, nvars, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPcomputeVarLbGlobal(), SCIPcomputeVarUbGlobal(), SCIPconsGetData(), SCIPdebug, SCIPdebugMsg, TRUE, and var.

Referenced by SCIP_DECL_CONSEXITPRE(), and SCIP_DECL_CONSPRESOL().

◆ isLiteralSatisfied()

static SCIP_Bool isLiteralSatisfied ( SCIP * scip,
SCIP_CONSDATA * consdata,
int pos )
static

returns whether literal at the given position is satisfied in the local bounds

Parameters
scipSCIP data structure
consdatabound disjunction constraint data
posposition of the literal

Definition at line 1024 of file cons_bounddisjunction.c.

References assert(), isFeasGE, isFeasLE, NULL, nvars, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_Real, SCIPcomputeVarLbLocal(), and SCIPcomputeVarUbLocal().

Referenced by createNAryBranch(), processWatchedVars(), registerBranchingCandidates(), removeFixedVariables(), and SCIP_DECL_CONSPRESOL().

◆ isLiteralViolated()

static SCIP_Bool isLiteralViolated ( SCIP * scip,
SCIP_CONSDATA * consdata,
int pos )
static

returns whether literal at the given position is violated in the local bounds

Parameters
scipSCIP data structure
consdatabound disjunction constraint data
posposition of the literal

Definition at line 1049 of file cons_bounddisjunction.c.

References assert(), isFeasGT, isFeasLT, NULL, nvars, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_Real, SCIPcomputeVarLbLocal(), and SCIPcomputeVarUbLocal().

Referenced by processWatchedVars(), removeFixedVariables(), and SCIP_DECL_CONSPRESOL().

◆ removeFixedVariables()

static SCIP_RETCODE removeFixedVariables ( SCIP * scip,
SCIP_CONS * cons,
SCIP_EVENTHDLR * eventhdlr,
SCIP_Bool * redundant )
static

replace variables by their representative active (or multi-aggregated) variables

Parameters
scipSCIP data structure
consbound disjunction constraint
eventhdlrevent handler
redundantflag to indicate whether constraint has been bound redundant

Definition at line 1074 of file cons_bounddisjunction.c.

References addCoef(), assert(), bound, delCoefPos(), isFeasGE, isFeasLE, isLiteralSatisfied(), isLiteralViolated(), NULL, nvars, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIP_VARSTATUS_FIXED, SCIP_VARSTATUS_MULTAGGR, SCIPconsGetData(), SCIPconsGetName(), SCIPdebugMsg, SCIPvarGetLbGlobal(), SCIPvarGetName(), SCIPvarGetProbvarBound(), SCIPvarGetStatus(), SCIPvarGetUbGlobal(), SCIPvarIsActive(), TRUE, and var.

Referenced by SCIP_DECL_CONSEXITPRE(), and SCIP_DECL_CONSPRESOL().

◆ upgradeCons()

static SCIP_RETCODE upgradeCons ( SCIP * scip,
SCIP_CONS * cons,
int * ndelconss,
int * naddconss )
static

try to upgrade the bounddisjunction constraint

if only binary variables are left, we can upgrade a bounddisjunction to a logicor constraint(, if only two variables are left, this logicor constraint can be formulated as set-packing constraint as well)

e.g.: bounddisjunction( x1 >= 1, x2 <= 0; x3 >= 1; x4 <= 0 ) => x1 + ~x2 + x3 + ~x4 >= 1

Parameters
scipSCIP data structure
consbound disjunction constraint that detected the conflict
ndelconsspointer to store the number of delete constraint
naddconsspointer to store the number of added constraint

Definition at line 1166 of file cons_bounddisjunction.c.

References assert(), FALSE, NULL, nvars, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_OKAY, SCIPaddCons(), SCIPallocBufferArray, SCIPconsGetData(), SCIPconsGetName(), SCIPconsIsChecked(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsModifiable(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPcreateConsLogicor(), SCIPcreateConsSetpack(), SCIPdebugMsg, SCIPdebugPrintCons, SCIPdelCons(), SCIPfreeBufferArray, SCIPgetNegatedVar(), SCIPisFeasGT(), SCIPisFeasLT(), SCIPreleaseCons(), SCIPvarIsBinary(), and TRUE.

Referenced by SCIP_DECL_CONSPRESOL().

◆ analyzeConflict()

static SCIP_RETCODE analyzeConflict ( SCIP * scip,
SCIP_CONS * cons )
static

analyzes conflicting assignment on given constraint, and adds conflict constraint to problem

Parameters
scipSCIP data structure
consbound disjunction constraint that detected the conflict

Definition at line 1270 of file cons_bounddisjunction.c.

References assert(), FALSE, NULL, SCIP_CALL, SCIP_CONFTYPE_PROPAGATION, SCIP_OKAY, SCIP_STAGE_SOLVING, SCIPaddConflictBd(), SCIPanalyzeConflictCons(), SCIPboundtypeOpposite(), SCIPconsGetData(), SCIPgetStage(), SCIPinitConflictAnalysis(), SCIPinProbing(), and SCIPisConflictAnalysisApplicable().

Referenced by processWatchedVars().

◆ disableCons()

static SCIP_RETCODE disableCons ( SCIP * scip,
SCIP_CONS * cons )
static

disables or deletes the given constraint, depending on the current depth

Parameters
scipSCIP data structure
consbound disjunction constraint to be disabled

Definition at line 1302 of file cons_bounddisjunction.c.

References assert(), SCIP_CALL, SCIP_OKAY, SCIPconsGetValidDepth(), SCIPdelCons(), SCIPdisableCons(), and SCIPgetDepth().

Referenced by processWatchedVars().

◆ processWatchedVars()

static SCIP_RETCODE processWatchedVars ( SCIP * scip,
SCIP_CONS * cons,
SCIP_EVENTHDLR * eventhdlr,
SCIP_Bool * cutoff,
SCIP_Bool * infeasible,
SCIP_Bool * reduceddom,
SCIP_Bool * mustcheck )
static

checks constraint for violation only looking at the watched variables, applies bound changes if possible

Parameters
scipSCIP data structure
consbound disjunction constraint to be processed
eventhdlrevent handler to call for the event processing
cutoffpointer to store TRUE, if the node can be cut off
infeasiblepointer to store TRUE, if the constraint is infeasible in current bounds
reduceddompointer to store TRUE, if a domain reduction was found
mustcheckpointer to store whether this constraint must be checked for feasibility

Definition at line 1323 of file cons_bounddisjunction.c.

References AGEINCREASE, analyzeConflict(), assert(), CONSHDLR_NAME, cutoff, disableCons(), FALSE, isLiteralSatisfied(), isLiteralViolated(), NULL, nvars, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_BRANCHDIR_DOWNWARDS, SCIP_BRANCHDIR_UPWARDS, SCIP_CALL, SCIP_Longint, SCIP_LONGINT_MAX, SCIP_OKAY, SCIP_Real, SCIP_VARSTATUS_MULTAGGR, SCIPaddConsAge(), SCIPconsGetData(), SCIPconsGetHdlr(), SCIPconsGetName(), SCIPconshdlrGetName(), SCIPconsIsModifiable(), SCIPdebugMsg, SCIPdisableConsPropagation(), SCIPgetDepth(), SCIPinferVarLbCons(), SCIPinferVarUbCons(), SCIPresetConsAge(), SCIPvarGetName(), SCIPvarGetNBranchingsCurrentRun(), SCIPvarGetProbvar(), SCIPvarGetStatus(), switchWatchedvars(), TRUE, and vars.

Referenced by enforceCurrentSol(), and SCIP_DECL_CONSPROP().

◆ isConsViolated()

static SCIP_Bool isConsViolated ( SCIP * scip,
SCIP_CONS * cons,
SCIP_SOL * sol )
static

checks constraint for violation, returns TRUE iff constraint is violated

Parameters
scipSCIP data structure
consbound disjunction constraint to be checked
solprimal CIP solution

Definition at line 1576 of file cons_bounddisjunction.c.

References assert(), FALSE, isFeasGE, isFeasLE, NULL, nvars, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_Real, SCIP_REAL_MAX, SCIPconsGetData(), SCIPgetSolVal(), SCIPrelDiff(), SCIPupdateSolConsViolation(), sol, TRUE, and vars.

Referenced by enforceCurrentSol(), and SCIP_DECL_CONSCHECK().

◆ registerBranchingCandidates()

static SCIP_RETCODE registerBranchingCandidates ( SCIP * scip,
SCIP_CONS * cons,
SCIP_SOL * sol,
SCIP_Bool * cutoff,
SCIP_Bool * neednarybranch )
static
Parameters
scipSCIP data structure
consbound disjunction constraint which variables should be registered for branching
solsolution (NULL for LP solution)
cutoffpointer to store whether the constraint cannot be made feasible by branching
neednarybranchpointer to store TRUE, if n-ary branching is necessary to enforce this constraint

Definition at line 1647 of file cons_bounddisjunction.c.

References assert(), CONSHDLR_NAME, cutoff, FALSE, isFeasGT, isFeasLT, isLiteralSatisfied(), NULL, nvars, REALABS, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIP_VARTYPE_CONTINUOUS, SCIPaddExternBranchCand(), SCIPcomputeVarLbLocal(), SCIPcomputeVarUbLocal(), SCIPconsGetData(), SCIPconsGetHdlr(), SCIPconshdlrGetName(), SCIPgetSolVal(), SCIPisFeasEQ(), SCIPisFeasGE(), SCIPisFeasLE(), SCIPisInfinity(), SCIPvarGetType(), sol, TRUE, var, and vars.

Referenced by enforceCurrentSol().

◆ enforceCurrentSol()

static SCIP_RETCODE enforceCurrentSol ( SCIP * scip,
SCIP_CONS * cons,
SCIP_SOL * sol,
SCIP_EVENTHDLR * eventhdlr,
SCIP_Bool * cutoff,
SCIP_Bool * infeasible,
SCIP_Bool * reduceddom,
SCIP_Bool * registeredbrcand )
static

enforces the pseudo or LP solution on the given constraint

Parameters
scipSCIP data structure
consbound disjunction constraint to be separated
solsolution which should be enforced (NULL for LP solution)
eventhdlrevent handler to call for the event processing
cutoffpointer to store TRUE, if the node can be cut off
infeasiblepointer to store TRUE, if the constraint was infeasible
reduceddompointer to store TRUE, if a domain reduction was found
registeredbrcandpointer to store TRUE, if branching variable candidates were registered or was already true

Definition at line 1734 of file cons_bounddisjunction.c.

References assert(), CONSHDLR_NAME, cutoff, isConsViolated(), NULL, processWatchedVars(), registerBranchingCandidates(), SCIP_Bool, SCIP_CALL, SCIP_OKAY, SCIPconsGetHdlr(), SCIPconsGetName(), SCIPconshdlrGetName(), SCIPconsIsPropagationEnabled(), SCIPdebugMsg, SCIPresetConsAge(), sol, and TRUE.

Referenced by enforceConstraint(), and SCIP_DECL_CONSENFOPS().

◆ createNAryBranch()

◆ enforceConstraint()

static SCIP_RETCODE enforceConstraint ( SCIP * scip,
SCIP_CONSHDLR * conshdlr,
SCIP_CONS ** conss,
int nconss,
SCIP_SOL * sol,
SCIP_RESULT * result )
static

helper function to enforce constraints

Parameters
scipSCIP data structure
conshdlrconstraint handler
conssconstraints to process
nconssnumber of constraints
solsolution to enforce (NULL for the LP solution)
resultpointer to store the result of the enforcing call

Definition at line 1908 of file cons_bounddisjunction.c.

References assert(), c, CONSHDLR_NAME, createNAryBranch(), cutoff, enforceCurrentSol(), FALSE, NULL, nvars, result, SCIP_Bool, SCIP_BRANCHED, SCIP_CALL, SCIP_CUTOFF, SCIP_FEASIBLE, SCIP_INFEASIBLE, SCIP_OKAY, SCIP_REDUCEDDOM, SCIPconsGetData(), SCIPconshdlrGetData(), SCIPconshdlrGetName(), SCIPdebugMsg, and sol.

Referenced by SCIP_DECL_CONSENFOLP(), and SCIP_DECL_CONSENFORELAX().

◆ addSymmetryInformation()

static SCIP_RETCODE addSymmetryInformation ( SCIP * scip,
SYM_SYMTYPE symtype,
SCIP_CONS * cons,
SYM_GRAPH * graph,
SCIP_Bool * success )
static

adds symmetry information of constraint to a symmetry detection graph

Parameters
scipSCIP pointer
symtypetype of symmetries that need to be added
consconstraint
graphsymmetry detection graph
successpointer to store whether symmetry information could be added

Definition at line 1987 of file cons_bounddisjunction.c.

References assert(), bound, FALSE, i, NULL, nvars, SCIP_Bool, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPaddSymgraphConsnode(), SCIPaddSymgraphEdge(), SCIPaddSymgraphOpnode(), SCIPaddSymgraphValnode(), SCIPaddSymgraphVarAggregation(), SCIPallocBufferArray, SCIPconsGetData(), SCIPfreeBufferArray, SCIPgetNVars(), SCIPgetSymActiveVariables(), SCIPisTransformed(), SYM_CONSOPTYPE_BDDISJ, SYM_CONSOPTYPE_SUM, TRUE, and vars.

Referenced by SCIP_DECL_CONSGETPERMSYMGRAPH(), and SCIP_DECL_CONSGETSIGNEDPERMSYMGRAPH().

◆ SCIP_DECL_CONSHDLRCOPY()

static SCIP_DECL_CONSHDLRCOPY ( conshdlrCopyBounddisjunction )
static

copy method for constraint handler plugins (called when SCIP copies plugins)

Definition at line 2078 of file cons_bounddisjunction.c.

References assert(), CONSHDLR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPconshdlrGetName(), SCIPincludeConshdlrBounddisjunction(), TRUE, and valid.

◆ SCIP_DECL_CONSFREE()

static SCIP_DECL_CONSFREE ( consFreeBounddisjunction )
static

destructor of constraint handler to free constraint handler data (called when SCIP is exiting)

Definition at line 2094 of file cons_bounddisjunction.c.

References assert(), CONSHDLR_NAME, conshdlrdataFree(), NULL, SCIP_OKAY, SCIPconshdlrGetData(), SCIPconshdlrGetName(), and SCIPconshdlrSetData().

◆ SCIP_DECL_CONSEXITPRE()

static SCIP_DECL_CONSEXITPRE ( consExitpreBounddisjunction )
static

presolving deinitialization method of constraint handler (called after presolving has been finished)

Definition at line 2116 of file cons_bounddisjunction.c.

References applyGlobalBounds(), assert(), c, CONSHDLR_NAME, NULL, removeFixedVariables(), SCIP_Bool, SCIP_CALL, SCIP_OKAY, SCIPconsGetName(), SCIPconshdlrGetData(), SCIPconshdlrGetName(), SCIPconsIsAdded(), SCIPconsIsDeleted(), SCIPdebugMsg, and SCIPdelCons().

◆ SCIP_DECL_CONSINITSOL()

◆ SCIP_DECL_CONSDELETE()

static SCIP_DECL_CONSDELETE ( consDeleteBounddisjunction )
static

frees specific constraint data

Definition at line 2238 of file cons_bounddisjunction.c.

References assert(), consdataFree(), CONSHDLR_NAME, NULL, SCIP_OKAY, and SCIPconshdlrGetName().

◆ SCIP_DECL_CONSTRANS()

◆ SCIP_DECL_CONSENFOLP()

static SCIP_DECL_CONSENFOLP ( consEnfolpBounddisjunction )
static

constraint enforcing method of constraint handler for LP solutions

Definition at line 2287 of file cons_bounddisjunction.c.

References enforceConstraint(), NULL, result, SCIP_CALL, and SCIP_OKAY.

◆ SCIP_DECL_CONSENFORELAX()

static SCIP_DECL_CONSENFORELAX ( consEnforelaxBounddisjunction )
static

constraint enforcing method of constraint handler for relaxation solutions

Definition at line 2297 of file cons_bounddisjunction.c.

References enforceConstraint(), result, SCIP_CALL, SCIP_OKAY, and sol.

◆ SCIP_DECL_CONSENFOPS()

static SCIP_DECL_CONSENFOPS ( consEnfopsBounddisjunction )
static

◆ SCIP_DECL_CONSCHECK()

static SCIP_DECL_CONSCHECK ( consCheckBounddisjunction )
static

feasibility check method of constraint handler for integral solutions

Definition at line 2371 of file cons_bounddisjunction.c.

References assert(), c, CONSHDLR_NAME, isConsViolated(), NULL, result, SCIP_CALL, SCIP_FEASIBLE, SCIP_INFEASIBLE, SCIP_OKAY, SCIPconsGetData(), SCIPconshdlrGetName(), SCIPgetSolVal(), SCIPinfoMessage(), SCIPprintCons(), SCIPvarGetName(), and sol.

◆ SCIP_DECL_CONSPROP()

static SCIP_DECL_CONSPROP ( consPropBounddisjunction )
static

◆ SCIP_DECL_CONSPRESOL()

◆ SCIP_DECL_CONSRESPROP()

◆ SCIP_DECL_CONSLOCK()

static SCIP_DECL_CONSLOCK ( consLockBounddisjunction )
static

variable rounding lock method of constraint handler

Definition at line 2681 of file cons_bounddisjunction.c.

References assert(), i, NULL, SCIP_BOUNDTYPE_LOWER, SCIP_CALL, SCIP_OKAY, SCIPaddVarLocksType(), and SCIPconsGetData().

◆ SCIP_DECL_CONSACTIVE()

static SCIP_DECL_CONSACTIVE ( consActiveBounddisjunction )
static

◆ SCIP_DECL_CONSDEACTIVE()

static SCIP_DECL_CONSDEACTIVE ( consDeactiveBounddisjunction )
static

◆ SCIP_DECL_CONSPRINT()

static SCIP_DECL_CONSPRINT ( consPrintBounddisjunction )
static

constraint display method of constraint handler

Definition at line 2784 of file cons_bounddisjunction.c.

References assert(), consdataPrint(), FALSE, NULL, SCIP_OKAY, and SCIPconsGetData().

◆ SCIP_DECL_CONSCOPY()

◆ SCIP_DECL_CONSPARSE()

◆ SCIP_DECL_CONSGETVARS()

static SCIP_DECL_CONSGETVARS ( consGetVarsBounddisjunction )
static

constraint method of constraint handler which returns the variables (if possible)

Definition at line 2976 of file cons_bounddisjunction.c.

References assert(), BMScopyMemoryArray, FALSE, NULL, nvars, SCIP_OKAY, SCIPconsGetData(), TRUE, and vars.

◆ SCIP_DECL_CONSGETNVARS()

static SCIP_DECL_CONSGETNVARS ( consGetNVarsBounddisjunction )
static

constraint method of constraint handler which returns the number of variables (if possible)

Definition at line 3000 of file cons_bounddisjunction.c.

References assert(), NULL, SCIP_OKAY, SCIPconsGetData(), and TRUE.

◆ SCIP_DECL_CONSGETPERMSYMGRAPH()

static SCIP_DECL_CONSGETPERMSYMGRAPH ( consGetPermsymGraphBounddisjunction )
static

constraint handler method which returns the permutation symmetry detection graph of a constraint

Definition at line 3017 of file cons_bounddisjunction.c.

References addSymmetryInformation(), SCIP_CALL, SCIP_OKAY, and SYM_SYMTYPE_PERM.

◆ SCIP_DECL_CONSGETSIGNEDPERMSYMGRAPH()

static SCIP_DECL_CONSGETSIGNEDPERMSYMGRAPH ( consGetSignedPermsymGraphBounddisjunction )
static

constraint handler method which returns the signed permutation symmetry detection graph of a constraint

Definition at line 3026 of file cons_bounddisjunction.c.

References addSymmetryInformation(), SCIP_CALL, SCIP_OKAY, and SYM_SYMTYPE_SIGNPERM.

◆ SCIP_DECL_EVENTEXEC()

◆ SCIP_DECL_CONFLICTEXEC()

◆ SCIP_DECL_CONFLICTFREE()

static SCIP_DECL_CONFLICTFREE ( conflictFreeBounddisjunction )
static

free method of conflict handler

Definition at line 3222 of file cons_bounddisjunction.c.

References assert(), NULL, SCIP_OKAY, SCIPconflicthdlrGetData(), and SCIPfreeBlockMemory.