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_BOUNDTYPE *	SCIPgetBoundtypesBounddisjunction (SCIP scip, SCIP_CONS cons)
SCIP_Real *	SCIPgetBoundsBounddisjunction (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

#define CONFLICTHDLR_NAME "bounddisjunction"

Definition at line 105 of file cons_bounddisjunction.c.

Referenced by SCIP_DECL_CONFLICTEXEC(), SCIP_DECL_CONFLICTEXEC(), SCIP_DECL_CONFLICTEXEC(), SCIP_DECL_CONFLICTEXEC(), SCIP_DECL_CONFLICTEXEC(), SCIP_DECL_CONFLICTFREE(), SCIPincludeConshdlrBounddisjunction(), SCIPincludeConshdlrIndicator(), SCIPincludeConshdlrLinear(), SCIPincludeConshdlrLogicor(), and SCIPincludeConshdlrSetppc().

◆ CONFLICTHDLR_DESC

#define CONFLICTHDLR_DESC "conflict handler creating bound disjunction constraints"

Definition at line 106 of file cons_bounddisjunction.c.

Referenced by SCIPincludeConshdlrBounddisjunction(), SCIPincludeConshdlrIndicator(), SCIPincludeConshdlrLinear(), SCIPincludeConshdlrLogicor(), and SCIPincludeConshdlrSetppc().

◆ CONFLICTHDLR_PRIORITY

#define CONFLICTHDLR_PRIORITY -3000000

Definition at line 107 of file cons_bounddisjunction.c.

Referenced by SCIPincludeConshdlrBounddisjunction(), SCIPincludeConshdlrIndicator(), SCIPincludeConshdlrLinear(), SCIPincludeConshdlrLogicor(), and SCIPincludeConshdlrSetppc().

◆ 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)

SCIPisFeasLT

SCIP_Bool SCIPisFeasLT(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

Definition scip_numerics.c:784

scip

Definition multiprecision.hpp:66

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)

SCIPisFeasLE

SCIP_Bool SCIPisFeasLE(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

Definition scip_numerics.c:797

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)

SCIPisFeasGT

SCIP_Bool SCIPisFeasGT(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

Definition scip_numerics.c:810

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)

SCIPisFeasGE

SCIP_Bool SCIPisFeasGE(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

Definition scip_numerics.c:823

Definition at line 150 of file cons_bounddisjunction.c.

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

Function Documentation

◆ lockRounding()

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

scip	SCIP data structure
cons	bound disjunction constraint
consdata	bound disjunction constraint data
pos	position 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()

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

scip	SCIP data structure
cons	bound disjunction constraint
consdata	bound disjunction constraint data
pos	position 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()

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

scip	SCIP data structure
cons	bound disjunction constraint
consdata	bound disjunction constraint data
eventhdlr	event handler to call for the event processing
pos	position of the variable in the constraint
filterpos	pointer 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()

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

scip	SCIP data structure
cons	bound disjunction constraint
consdata	bound disjunction constraint data
eventhdlr	event handler to call for the event processing
pos	position of the variable in the constraint
filterpos	position 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()

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

static

creates constraint handler data for bound disjunction constraint handler

Parameters

scip	SCIP data structure
conshdlrdata	pointer to store the constraint handler data
eventhdlr	event handler

Definition at line 286 of file cons_bounddisjunction.c.

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

Referenced by SCIPincludeConshdlrBounddisjunction().

◆ conshdlrdataFree()

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

static

frees constraint handler data for bound disjunction constraint handler

Parameters

scip	SCIP data structure
conshdlrdata	pointer 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()

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

scip	SCIP data structure
consdata	pointer to store the bound disjunction constraint data
nvars	number of variables in the constraint
vars	variables of the literals in the constraint
boundtypes	types of bounds of the literals (lower or upper bounds)
bounds	bounds 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()

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

scip	SCIP data structure
consdata	pointer to store the bound disjunction constraint data
nvars	number of variables in the constraint
vars	variables of the literals in the constraint
boundtypes	types of bounds of the literals (lower or upper bounds)
bounds	bounds 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()

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

static

frees a bound disjunction constraint data

Parameters

scip	SCIP data structure
consdata	pointer 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()

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

static

prints bound disjunction constraint to file stream

Parameters

scip	SCIP data structure
consdata	bound disjunction constraint data
file	output file (or NULL for standard output)
endline	should 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()

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

scip	SCIP data structure
cons	bound disjunction constraint
eventhdlr	event handler to call for the event processing
watchedvar1	new first watched variable
watchedvar2	new 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()

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

static

check whether two intervals overlap

Definition at line 760 of file cons_bounddisjunction.c.

References assert(), FALSE, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_Real, SCIPisLE(), SCIPvarIsIntegral(), TRUE, and var.

Referenced by addCoef(), SCIP_DECL_CONFLICTEXEC(), and SCIPcreateConsBounddisjunction().

◆ delCoefPos()

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

scip	SCIP data structure
cons	bound disjunction constraint
eventhdlr	event handler to call for the event processing
pos	position 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()

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

scip	SCIP data structure
cons	bound disjunction constraint
eventhdlr	event handler to call for the event processing
var	variable in literal
boundtype	boundtype of literal
bound	bound of literal
redundant	flag 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()

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

scip	SCIP data structure
cons	bound disjunction constraint
eventhdlr	event handler to call for the event processing
redundant	returns 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()

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

scip	SCIP data structure
consdata	bound disjunction constraint data
pos	position 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()

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

scip	SCIP data structure
consdata	bound disjunction constraint data
pos	position 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()

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

scip	SCIP data structure
cons	bound disjunction constraint
eventhdlr	event handler
redundant	flag 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()

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

scip	SCIP data structure
cons	bound disjunction constraint that detected the conflict
ndelconss	pointer to store the number of delete constraint
naddconss	pointer 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, SCIPaddConsUpgrade(), SCIPallocBufferArray, SCIPconsGetData(), SCIPconsGetName(), SCIPconsIsChecked(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsModifiable(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPcreateConsLogicor(), SCIPcreateConsSetpack(), SCIPdebugMsg, SCIPdebugPrintCons, SCIPdelCons(), SCIPfreeBufferArray, SCIPgetNegatedVar(), SCIPisFeasGT(), SCIPisFeasLT(), SCIPvarIsBinary(), and TRUE.

Referenced by SCIP_DECL_CONSPRESOL().

◆ analyzeConflict()

SCIP_RETCODE analyzeConflict	(	SCIP *	scip,
		SCIP_CONS *	cons )

static

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

Parameters

scip	SCIP data structure
cons	bound disjunction constraint that detected the conflict

Definition at line 1271 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()

SCIP_RETCODE disableCons	(	SCIP *	scip,
		SCIP_CONS *	cons )

static

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

Parameters

scip	SCIP data structure
cons	bound disjunction constraint to be disabled

Definition at line 1303 of file cons_bounddisjunction.c.

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

Referenced by processWatchedVars().

◆ processWatchedVars()

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

scip	SCIP data structure
cons	bound disjunction constraint to be processed
eventhdlr	event handler to call for the event processing
cutoff	pointer to store TRUE, if the node can be cut off
infeasible	pointer to store TRUE, if the constraint is infeasible in current bounds
reduceddom	pointer to store TRUE, if a domain reduction was found
mustcheck	pointer to store whether this constraint must be checked for feasibility

Definition at line 1324 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()

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

static

checks constraint for violation, returns TRUE iff constraint is violated

Parameters

scip	SCIP data structure
cons	bound disjunction constraint to be checked
sol	primal CIP solution

Definition at line 1577 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()

SCIP_RETCODE registerBranchingCandidates	(	SCIP *	scip,
		SCIP_CONS *	cons,
		SCIP_SOL *	sol,
		SCIP_Bool *	cutoff,
		SCIP_Bool *	neednarybranch )

static

Parameters

scip	SCIP data structure
cons	bound disjunction constraint which variables should be registered for branching
sol	solution (NULL for LP solution)
cutoff	pointer to store whether the constraint cannot be made feasible by branching
neednarybranch	pointer to store TRUE, if n-ary branching is necessary to enforce this constraint

Definition at line 1648 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, SCIPaddExternBranchCand(), SCIPcomputeVarLbLocal(), SCIPcomputeVarUbLocal(), SCIPconsGetData(), SCIPconsGetHdlr(), SCIPconshdlrGetName(), SCIPgetSolVal(), SCIPisFeasEQ(), SCIPisFeasGE(), SCIPisFeasLE(), SCIPisInfinity(), SCIPvarIsIntegral(), sol, TRUE, var, and vars.

Referenced by enforceCurrentSol().

◆ enforceCurrentSol()

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

scip	SCIP data structure
cons	bound disjunction constraint to be separated
sol	solution which should be enforced (NULL for LP solution)
eventhdlr	event handler to call for the event processing
cutoff	pointer to store TRUE, if the node can be cut off
infeasible	pointer to store TRUE, if the constraint was infeasible
reduceddom	pointer to store TRUE, if a domain reduction was found
registeredbrcand	pointer to store TRUE, if branching variable candidates were registered or was already true

Definition at line 1735 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()

SCIP_RETCODE createNAryBranch	(	SCIP *	scip,
		SCIP_CONS *	cons,
		SCIP_SOL *	sol )

static

enforces a constraint by creating an n-ary branch consisting of a set of child nodes, each enforcing one literal

Parameters

scip	SCIP data structure
cons	bound disjunction constraint to branch on
sol	solution which should be enforced (NULL for LP solution)

Definition at line 1789 of file cons_bounddisjunction.c.

References assert(), CONSHDLR_NAME, isFeasGE, isFeasGT, isFeasLE, isFeasLT, isLiteralSatisfied(), NULL, nvars, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_BRANCHDIR_DOWNWARDS, SCIP_BRANCHDIR_UPWARDS, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIP_VARSTATUS_MULTAGGR, SCIPaddConsNode(), SCIPcalcChildEstimate(), SCIPcalcNodeselPriority(), SCIPchgVarLbNode(), SCIPchgVarUbNode(), SCIPcomputeVarLbLocal(), SCIPcomputeVarUbLocal(), SCIPconsGetData(), SCIPconsGetHdlr(), SCIPconshdlrGetName(), SCIPconsIsChecked(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsModifiable(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPcreateChild(), SCIPcreateConsLinear(), SCIPdebugMsg, SCIPdelConsNode(), SCIPgetSolVal(), SCIPinfinity(), SCIPreleaseCons(), SCIPvarGetName(), SCIPvarGetStatus(), SCIPvarIsActive(), sol, var, and vars.

Referenced by enforceConstraint(), and SCIP_DECL_CONSENFOPS().

◆ enforceConstraint()

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

scip	SCIP data structure
conshdlr	constraint handler
conss	constraints to process
nconss	number of constraints
sol	solution to enforce (NULL for the LP solution)
result	pointer to store the result of the enforcing call

Definition at line 1909 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()

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

scip	SCIP pointer
symtype	type of symmetries that need to be added
cons	constraint
graph	symmetry detection graph
success	pointer to store whether symmetry information could be added

Definition at line 1988 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()

SCIP_DECL_CONSHDLRCOPY ( conshdlrCopyBounddisjunction )

static

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

Definition at line 2079 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_CONSFREE()

SCIP_DECL_CONSFREE ( consFreeBounddisjunction )

static

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

Definition at line 2095 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_CONSEXITPRE()

SCIP_DECL_CONSEXITPRE ( consExitpreBounddisjunction )

static

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

Definition at line 2117 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_CONSINITSOL ( consInitsolBounddisjunction )

static

solving process initialization method of constraint handler

Definition at line 2163 of file cons_bounddisjunction.c.

References a, assert(), b, c, NULL, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_EXPRCURV_CONVEX, SCIP_OKAY, SCIP_Real, SCIPaddNlRow(), SCIPconsGetData(), SCIPconsGetName(), SCIPconsIsActive(), SCIPconsIsChecked(), SCIPconsIsLocal(), SCIPcreateExprPow(), SCIPcreateExprVar(), SCIPcreateNlRow(), SCIPinfinity(), SCIPisNLPConstructed(), SCIPreleaseExpr(), and SCIPreleaseNlRow().

◆ SCIP_DECL_CONSDELETE()

SCIP_DECL_CONSDELETE ( consDeleteBounddisjunction )

static

frees specific constraint data

Definition at line 2239 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_CONSTRANS()

SCIP_DECL_CONSTRANS ( consTransBounddisjunction )

static

transforms constraint data into data belonging to the transformed problem

Definition at line 2255 of file cons_bounddisjunction.c.

References assert(), consdataCreate(), CONSHDLR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIP_STAGE_TRANSFORMING, SCIPconsGetData(), SCIPconsGetName(), SCIPconshdlrGetName(), SCIPconsIsChecked(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsModifiable(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPcreateCons(), and SCIPgetStage().

◆ SCIP_DECL_CONSENFOLP()

SCIP_DECL_CONSENFOLP ( consEnfolpBounddisjunction )

static

constraint enforcing method of constraint handler for LP solutions

Definition at line 2288 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_CONSENFORELAX()

SCIP_DECL_CONSENFORELAX ( consEnforelaxBounddisjunction )

static

constraint enforcing method of constraint handler for relaxation solutions

Definition at line 2298 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_CONSENFOPS()

SCIP_DECL_CONSENFOPS ( consEnfopsBounddisjunction )

static

constraint enforcing method of constraint handler for pseudo solutions

Definition at line 2308 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(), and SCIPdebugMsg.

◆ SCIP_DECL_CONSCHECK()

SCIP_DECL_CONSCHECK ( consCheckBounddisjunction )

static

feasibility check method of constraint handler for integral solutions

Definition at line 2372 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()

SCIP_DECL_CONSPROP ( consPropBounddisjunction )

static

domain propagation method of constraint handler

Definition at line 2422 of file cons_bounddisjunction.c.

References assert(), c, CONSHDLR_NAME, cutoff, FALSE, NULL, processWatchedVars(), result, SCIP_Bool, SCIP_CALL, SCIP_CUTOFF, SCIP_DIDNOTFIND, SCIP_OKAY, SCIP_REDUCEDDOM, SCIPconshdlrGetData(), and SCIPconshdlrGetName().

◆ SCIP_DECL_CONSPRESOL()

SCIP_DECL_CONSPRESOL ( consPresolBounddisjunction )

static

presolving method of constraint handler

Definition at line 2466 of file cons_bounddisjunction.c.

References applyGlobalBounds(), assert(), c, CONSHDLR_NAME, isLiteralSatisfied(), isLiteralViolated(), NULL, removeFixedVariables(), result, SCIP_Bool, SCIP_BOUNDTYPE_LOWER, SCIP_CALL, SCIP_CUTOFF, SCIP_DIDNOTFIND, SCIP_OKAY, SCIP_Real, SCIP_SUCCESS, SCIP_VARSTATUS_MULTAGGR, SCIPaddConsUpgrade(), SCIPconsGetData(), SCIPconsGetName(), SCIPconsGetNUpgradeLocks(), SCIPconshdlrGetData(), SCIPconshdlrGetName(), SCIPconsIsChecked(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsModifiable(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPcreateConsLinear(), SCIPdebugMsg, SCIPdelCons(), SCIPenableConsPropagation(), SCIPinfinity(), SCIPisStopped(), SCIPtightenVarLb(), SCIPtightenVarUb(), SCIPvarGetStatus(), SCIPvarIsActive(), TRUE, and upgradeCons().

◆ SCIP_DECL_CONSRESPROP()

SCIP_DECL_CONSRESPROP ( consRespropBounddisjunction )

static

propagation conflict resolving method of constraint handler

Definition at line 2619 of file cons_bounddisjunction.c.

References assert(), CONSHDLR_NAME, NULL, nvars, result, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIP_SUCCESS, SCIP_VARSTATUS_MULTAGGR, SCIPaddConflictBd(), SCIPboundtypeOpposite(), SCIPconsGetData(), SCIPconshdlrGetName(), SCIPdebugMsg, SCIPgetVarLbAtIndex(), SCIPgetVarUbAtIndex(), SCIPisFeasGE(), SCIPisFeasLE(), SCIPisGT(), SCIPisLT(), SCIPvarGetStatus(), TRUE, and vars.

◆ SCIP_DECL_CONSLOCK()

SCIP_DECL_CONSLOCK ( consLockBounddisjunction )

static

variable rounding lock method of constraint handler

Definition at line 2687 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_CONSACTIVE()

SCIP_DECL_CONSACTIVE ( consActiveBounddisjunction )

static

constraint activation notification method of constraint handler

Definition at line 2714 of file cons_bounddisjunction.c.

References assert(), catchEvents(), consdataPrint(), CONSHDLR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPconsGetData(), SCIPconsGetName(), SCIPconshdlrGetData(), SCIPconshdlrGetName(), SCIPconsIsTransformed(), SCIPdebug, SCIPdebugMsg, and TRUE.

◆ SCIP_DECL_CONSDEACTIVE()

SCIP_DECL_CONSDEACTIVE ( consDeactiveBounddisjunction )

static

constraint deactivation notification method of constraint handler

Definition at line 2751 of file cons_bounddisjunction.c.

References assert(), consdataPrint(), CONSHDLR_NAME, dropEvents(), NULL, SCIP_CALL, SCIP_OKAY, SCIPconsGetData(), SCIPconsGetName(), SCIPconshdlrGetData(), SCIPconshdlrGetName(), SCIPconsIsTransformed(), SCIPdebug, SCIPdebugMsg, and TRUE.

◆ SCIP_DECL_CONSPRINT()

SCIP_DECL_CONSPRINT ( consPrintBounddisjunction )

static

constraint display method of constraint handler

Definition at line 2790 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_CONSCOPY()

SCIP_DECL_CONSCOPY ( consCopyBounddisjunction )

static

constraint copying method of constraint handler

Definition at line 2803 of file cons_bounddisjunction.c.

References assert(), NULL, nvars, propagate, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPallocBufferArray, SCIPconsGetName(), SCIPcreateConsBounddisjunction(), SCIPfreeBufferArray, SCIPgetBoundsBounddisjunction(), SCIPgetBoundtypesBounddisjunction(), SCIPgetNVarsBounddisjunction(), SCIPgetVarCopy(), SCIPgetVarsBounddisjunction(), separate(), TRUE, and valid.

◆ SCIP_DECL_CONSPARSE()

SCIP_DECL_CONSPARSE ( consParseBounddisjunction )

static

constraint parsing method of constraint handler

Definition at line 2845 of file cons_bounddisjunction.c.

References assert(), FALSE, NULL, nvars, propagate, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIP_VERBLEVEL_MINIMAL, SCIPallocBufferArray, SCIPcreateConsBounddisjunction(), SCIPdebugMsg, SCIPfreeBufferArray, SCIPparseReal(), SCIPparseVarName(), SCIPreallocBufferArray, SCIPskipSpace(), SCIPvarGetName(), SCIPverbMessage(), separate(), TRUE, var, and vars.

◆ SCIP_DECL_CONSGETVARS()

SCIP_DECL_CONSGETVARS ( consGetVarsBounddisjunction )

static

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

Definition at line 2982 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_CONSGETNVARS()

SCIP_DECL_CONSGETNVARS ( consGetNVarsBounddisjunction )

static

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

Definition at line 3006 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_CONSGETPERMSYMGRAPH()

SCIP_DECL_CONSGETPERMSYMGRAPH ( consGetPermsymGraphBounddisjunction )

static

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

Definition at line 3023 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_CONSGETSIGNEDPERMSYMGRAPH()

SCIP_DECL_CONSGETSIGNEDPERMSYMGRAPH ( consGetSignedPermsymGraphBounddisjunction )

static

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

Definition at line 3032 of file cons_bounddisjunction.c.

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

◆ SCIP_DECL_EVENTEXEC()

SCIP_DECL_EVENTEXEC ( eventExecBounddisjunction )

static

Definition at line 3047 of file cons_bounddisjunction.c.

References assert(), EVENTHDLR_NAME, NULL, SCIP_CALL, SCIP_EVENTTYPE_BOUNDRELAXED, SCIP_EVENTTYPE_BOUNDTIGHTENED, SCIP_OKAY, SCIPconsGetData(), SCIPconsIsActive(), SCIPconsIsUpdatedeactivate(), SCIPenableCons(), SCIPenableConsPropagation(), SCIPeventGetType(), and SCIPeventhdlrGetName().

◆ SCIP_DECL_CONFLICTEXEC()

SCIP_DECL_CONFLICTEXEC ( conflictExecBounddisjunction )

static

conflict processing method of conflict handler (called when conflict was found)

Definition at line 3086 of file cons_bounddisjunction.c.

References assert(), bound, CONFLICTHDLR_NAME, FALSE, i, isOverlapping(), NULL, result, SCIP_BOUNDTYPE_LOWER, SCIP_BOUNDTYPE_UPPER, SCIP_CALL, SCIP_CONSADDED, SCIP_DIDNOTFIND, SCIP_DIDNOTRUN, SCIP_LONGINT_FORMAT, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_Real, SCIPaddConflict(), SCIPallocBufferArray, SCIPbdchginfoGetBoundtype(), SCIPbdchginfoGetNewbound(), SCIPbdchginfoGetVar(), SCIPboundtypeOpposite(), SCIPconflicthdlrGetData(), SCIPconflicthdlrGetName(), SCIPcreateConsBounddisjunction(), SCIPdebugMsg, SCIPfreeBufferArray, SCIPgetNConflictConssApplied(), SCIPgetNRuns(), SCIPisFeasEQ(), SCIPisGE(), SCIPisGT(), SCIPisLE(), SCIPisLT(), SCIPsnprintf(), SCIPvarGetLbGlobal(), SCIPvarGetName(), SCIPvarGetUbGlobal(), SCIPvarIsIntegral(), TRUE, var, and vars.

◆ SCIP_DECL_CONFLICTFREE()

SCIP_DECL_CONFLICTFREE ( conflictFreeBounddisjunction )

static

free method of conflict handler

Definition at line 3228 of file cons_bounddisjunction.c.

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

Detailed Description

Macros

Functions

Macro Definition Documentation

◆ CONSHDLR_NAME

◆ CONSHDLR_DESC

◆ CONSHDLR_ENFOPRIORITY

◆ CONSHDLR_CHECKPRIORITY

◆ CONSHDLR_PROPFREQ

◆ CONSHDLR_EAGERFREQ

◆ CONSHDLR_MAXPREROUNDS

◆ CONSHDLR_DELAYPROP

◆ CONSHDLR_NEEDSCONS

◆ CONSHDLR_PRESOLTIMING

◆ CONSHDLR_PROP_TIMING

◆ EVENTHDLR_NAME

◆ EVENTHDLR_DESC

◆ CONFLICTHDLR_NAME

◆ CONFLICTHDLR_DESC

◆ CONFLICTHDLR_PRIORITY

◆ DEFAULT_CONTINUOUSFRAC

◆ AGEINCREASE

◆ isFeasLT

◆ isFeasLE

◆ isFeasGT

◆ isFeasGE

Function Documentation

◆ lockRounding()

◆ unlockRounding()

◆ catchEvents()

◆ dropEvents()

◆ conshdlrdataCreate()

◆ conshdlrdataFree()

◆ consdataCreate()

◆ consdataCreateRedundant()

◆ consdataFree()

◆ consdataPrint()

◆ switchWatchedvars()

◆ isOverlapping()

◆ delCoefPos()

◆ addCoef()

◆ applyGlobalBounds()

◆ isLiteralSatisfied()

◆ isLiteralViolated()

◆ removeFixedVariables()

◆ upgradeCons()

◆ analyzeConflict()

◆ disableCons()

◆ processWatchedVars()

◆ isConsViolated()

◆ registerBranchingCandidates()

◆ enforceCurrentSol()

◆ createNAryBranch()

◆ enforceConstraint()

◆ addSymmetryInformation()

◆ SCIP_DECL_CONSHDLRCOPY()

◆ SCIP_DECL_CONSFREE()

◆ SCIP_DECL_CONSEXITPRE()

◆ SCIP_DECL_CONSINITSOL()

◆ SCIP_DECL_CONSDELETE()

◆ SCIP_DECL_CONSTRANS()

◆ SCIP_DECL_CONSENFOLP()

◆ SCIP_DECL_CONSENFORELAX()

◆ SCIP_DECL_CONSENFOPS()

◆ SCIP_DECL_CONSCHECK()

◆ SCIP_DECL_CONSPROP()

◆ SCIP_DECL_CONSPRESOL()

◆ SCIP_DECL_CONSRESPROP()

◆ SCIP_DECL_CONSLOCK()

◆ SCIP_DECL_CONSACTIVE()

◆ SCIP_DECL_CONSDEACTIVE()

◆ SCIP_DECL_CONSPRINT()

◆ SCIP_DECL_CONSCOPY()

◆ SCIP_DECL_CONSPARSE()

◆ SCIP_DECL_CONSGETVARS()

◆ SCIP_DECL_CONSGETNVARS()

◆ SCIP_DECL_CONSGETPERMSYMGRAPH()

◆ SCIP_DECL_CONSGETSIGNEDPERMSYMGRAPH()

◆ SCIP_DECL_EVENTEXEC()

◆ SCIP_DECL_CONFLICTEXEC()