cons_superindicator.c File Reference

Detailed Description

constraint handler for indicator constraints over arbitrary constraint types

Author

Ambros Gleixner

Frederic Pythoud

Definition in file cons_superindicator.c.

#include "blockmemshell/memory.h"
#include "scip/cons_indicator.h"
#include "scip/cons_linear.h"
#include "scip/cons_superindicator.h"
#include "scip/dialog_default.h"
#include "scip/pub_cons.h"
#include "scip/pub_dialog.h"
#include "scip/pub_heur.h"
#include "scip/pub_message.h"
#include "scip/pub_misc.h"
#include "scip/pub_sol.h"
#include "scip/pub_var.h"
#include "scip/scip_conflict.h"
#include "scip/scip_cons.h"
#include "scip/scip_copy.h"
#include "scip/scip_dialog.h"
#include "scip/scip_general.h"
#include "scip/scip_mem.h"
#include "scip/scip_message.h"
#include "scip/scip_numerics.h"
#include "scip/scip_param.h"
#include "scip/scip_prob.h"
#include "scip/scip_sol.h"
#include "scip/scip_var.h"
#include <string.h>

Go to the source code of this file.

Macros
#define	CONSHDLR_NAME   "superindicator"
#define	CONSHDLR_DESC   "constraint handler for indicator constraints over arbitrary constraint types"
#define	CONSHDLR_SEPAPRIORITY   0
#define	CONSHDLR_ENFOPRIORITY   -5000000
#define	CONSHDLR_CHECKPRIORITY   -5000000
#define	CONSHDLR_SEPAFREQ   -1
#define	CONSHDLR_PROPFREQ   1
#define	CONSHDLR_EAGERFREQ   100
#define	CONSHDLR_MAXPREROUNDS   -1
#define	CONSHDLR_DELAYSEPA   FALSE
#define	CONSHDLR_DELAYPROP   FALSE
#define	CONSHDLR_NEEDSCONS   TRUE
#define	CONSHDLR_PROP_TIMING   SCIP_PROPTIMING_BEFORELP
#define	CONSHDLR_PRESOLTIMING   SCIP_PRESOLTIMING_MEDIUM
#define	DEFAULT_CHECKSLACKTYPE   TRUE
#define	DEFAULT_UPGDPRIOINDICATOR   1
#define	DEFAULT_UPGDPRIOLINEAR   2
#define	DEFAULT_MAXUPGDCOEFLINEAR   1e4

Functions
static SCIP_RETCODE	consdataCreateSuperindicator (SCIP *scip, SCIP_CONSDATA **consdata, SCIP_VAR *binvar, SCIP_CONS *slackcons)
static SCIP_RETCODE	consdataCheckSuperindicator (SCIP *scip, SCIP_CONSDATA *consdata, SCIP_SOL *sol, SCIP_Bool checkintegrality, SCIP_Bool checklprows, SCIP_Bool printreason, SCIP_RESULT *result)
static void	extractLinearValues (SCIP *scip, SCIP_CONS *cons, SCIP_Real *minactivity, SCIP_Real *maxactivity, SCIP_Real *minabscoef)
static SCIP_RETCODE	upgradeIndicatorSuperindicator (SCIP *scip, SCIP_CONS *cons, SCIP_Bool *success, SCIP_Bool *deleted)
static SCIP_RETCODE	upgradeLinearSuperindicator (SCIP *scip, SCIP_CONS *cons, SCIP_Bool *success, SCIP_Bool *deleted)
static SCIP_RETCODE	upgradeSuperindicator (SCIP *scip, SCIP_CONS *cons, SCIP_Bool *success, SCIP_Bool *deleted)
static SCIP_RETCODE	enforceConstraint (SCIP *scip, SCIP_CONSHDLR *conshdlr, SCIP_CONS **conss, int nconss, int nusefulconss, SCIP_SOL *sol, SCIP_Bool solinfeasible, SCIP_RESULT *result)
static	SCIP_DECL_CONSHDLRCOPY (conshdlrCopySuperindicator)
static	SCIP_DECL_CONSFREE (consFreeSuperindicator)
static	SCIP_DECL_CONSINITPRE (consInitpreSuperindicator)
static	SCIP_DECL_CONSDELETE (consDeleteSuperindicator)
static	SCIP_DECL_CONSTRANS (consTransSuperindicator)
static	SCIP_DECL_CONSINITLP (consInitlpSuperindicator)
static	SCIP_DECL_CONSSEPALP (consSepalpSuperindicator)
static	SCIP_DECL_CONSSEPASOL (consSepasolSuperindicator)
static	SCIP_DECL_CONSENFOLP (consEnfolpSuperindicator)
static	SCIP_DECL_CONSENFORELAX (consEnforelaxSuperindicator)
static	SCIP_DECL_CONSENFOPS (consEnfopsSuperindicator)
static	SCIP_DECL_CONSCHECK (consCheckSuperindicator)
static	SCIP_DECL_CONSPROP (consPropSuperindicator)
static	SCIP_DECL_CONSPRESOL (consPresolSuperindicator)
static	SCIP_DECL_CONSRESPROP (consRespropSuperindicator)
static	SCIP_DECL_CONSLOCK (consLockSuperindicator)
static	SCIP_DECL_CONSPRINT (consPrintSuperindicator)
static	SCIP_DECL_CONSCOPY (consCopySuperindicator)
static	SCIP_DECL_CONSPARSE (consParseSuperindicator)
static	SCIP_DECL_CONSGETVARS (consGetVarsSuperindicator)
static	SCIP_DECL_CONSGETNVARS (consGetNVarsSuperindicator)
SCIP_RETCODE	SCIPincludeConshdlrSuperindicator (SCIP *scip)
SCIP_RETCODE	SCIPcreateConsSuperindicator (SCIP *scip, SCIP_CONS **cons, const char *name, SCIP_VAR *binvar, SCIP_CONS *slackcons, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool dynamic, SCIP_Bool removable, SCIP_Bool stickingatnode)
SCIP_RETCODE	SCIPcreateConsBasicSuperindicator (SCIP *scip, SCIP_CONS **cons, const char *name, SCIP_VAR *binvar, SCIP_CONS *slackcons)
SCIP_VAR *	SCIPgetBinaryVarSuperindicator (SCIP_CONS *cons)
SCIP_CONS *	SCIPgetSlackConsSuperindicator (SCIP_CONS *cons)
SCIP_RETCODE	SCIPtransformMinUC (SCIP *scip, SCIP_Bool *success)
	SCIP_DECL_DIALOGEXEC (SCIPdialogExecChangeMinUC)

Macro Definition Documentation

CONSHDLR_NAME

#define CONSHDLR_NAME   "superindicator"

Definition at line 71 of file cons_superindicator.c.

CONSHDLR_DESC

#define CONSHDLR_DESC   "constraint handler for indicator constraints over arbitrary constraint types"

Definition at line 72 of file cons_superindicator.c.

CONSHDLR_SEPAPRIORITY

#define CONSHDLR_SEPAPRIORITY   0

priority of the constraint handler for separation

Definition at line 73 of file cons_superindicator.c.

CONSHDLR_ENFOPRIORITY

#define CONSHDLR_ENFOPRIORITY   -5000000

priority of the constraint handler for constraint enforcing

Definition at line 74 of file cons_superindicator.c.

CONSHDLR_CHECKPRIORITY

#define CONSHDLR_CHECKPRIORITY   -5000000

priority of the constraint handler for checking feasibility

Definition at line 75 of file cons_superindicator.c.

CONSHDLR_SEPAFREQ

#define CONSHDLR_SEPAFREQ   -1

frequency for separating cuts; zero means to separate only in the root node

Definition at line 76 of file cons_superindicator.c.

CONSHDLR_PROPFREQ

#define CONSHDLR_PROPFREQ   1

frequency for propagating domains; zero means only preprocessing propagation

Definition at line 77 of file cons_superindicator.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_superindicator.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_superindicator.c.

CONSHDLR_DELAYSEPA

#define CONSHDLR_DELAYSEPA   FALSE

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

Definition at line 82 of file cons_superindicator.c.

CONSHDLR_DELAYPROP

#define CONSHDLR_DELAYPROP   FALSE

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

Definition at line 83 of file cons_superindicator.c.

CONSHDLR_NEEDSCONS

#define CONSHDLR_NEEDSCONS   TRUE

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

Definition at line 84 of file cons_superindicator.c.

CONSHDLR_PROP_TIMING

#define CONSHDLR_PROP_TIMING   SCIP_PROPTIMING_BEFORELP

propagation timing mask of the constraint handler

Definition at line 86 of file cons_superindicator.c.

CONSHDLR_PRESOLTIMING

#define CONSHDLR_PRESOLTIMING   SCIP_PRESOLTIMING_MEDIUM

presolving timing of the constraint handler (fast, medium, or exhaustive)

Definition at line 87 of file cons_superindicator.c.

DEFAULT_CHECKSLACKTYPE

#define DEFAULT_CHECKSLACKTYPE   TRUE

should type of slack constraint be checked when creating superindicator constraint?

Definition at line 89 of file cons_superindicator.c.

DEFAULT_UPGDPRIOINDICATOR

#define DEFAULT_UPGDPRIOINDICATOR   1

priority for upgrading to an indicator constraint (-1: never)

Definition at line 90 of file cons_superindicator.c.

DEFAULT_UPGDPRIOLINEAR

#define DEFAULT_UPGDPRIOLINEAR   2

priority for upgrading to a linear constraint (-1: never)

Definition at line 91 of file cons_superindicator.c.

DEFAULT_MAXUPGDCOEFLINEAR

#define DEFAULT_MAXUPGDCOEFLINEAR   1e4

maximum big-M coefficient of binary variable in upgrade to a linear constraint (relative to smallest coefficient)

Definition at line 93 of file cons_superindicator.c.

Function Documentation

consdataCreateSuperindicator()

static SCIP_RETCODE consdataCreateSuperindicator ( SCIP *  scip, SCIP_CONSDATA **  consdata, SCIP_VAR *  binvar, SCIP_CONS *  slackcons  )

static

creates superindicator constraint data

Parameters

scip	SCIP data structure
consdata	pointer to constraint data
binvar	binary variable
slackcons	slack constraint

Definition at line 124 of file cons_superindicator.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPallocBlockMemory, SCIPcaptureCons(), SCIPdebugMsg, SCIPgetTransformedVar(), SCIPisTransformed(), and SCIPtransformCons().

Referenced by SCIP_DECL_CONSTRANS(), and SCIPcreateConsSuperindicator().

consdataCheckSuperindicator()

static SCIP_RETCODE consdataCheckSuperindicator ( SCIP *  scip, SCIP_CONSDATA *  consdata, SCIP_SOL *  sol, SCIP_Bool  checkintegrality, SCIP_Bool  checklprows, SCIP_Bool  printreason, SCIP_RESULT *  result  )

static

checks the feasibility of a superindicator constraint

Parameters

scip	SCIP data structure
consdata	pointer to superindicator constraint data
sol	pointer to the solution to be checked
checkintegrality	Has integrality to be checked?
checklprows	Do constraints represented by rows in the current LP have to be checked?
printreason	Should the reason for the violation be printed?
result	pointer to store the result of the test

Definition at line 163 of file cons_superindicator.c.

References NULL, SCIP_CALL, SCIP_DIDNOTRUN, SCIP_FEASIBLE, SCIP_INFEASIBLE, SCIP_OKAY, SCIP_Real, SCIPcheckCons(), SCIPconsGetName(), SCIPdebugMsg, SCIPgetSolVal(), SCIPinfoMessage(), SCIPisFeasEQ(), SCIPisIntegral(), SCIPvarGetName(), and TRUE.

Referenced by enforceConstraint(), SCIP_DECL_CONSCHECK(), and SCIP_DECL_CONSENFOPS().

extractLinearValues()

static void extractLinearValues ( SCIP *  scip, SCIP_CONS *  cons, SCIP_Real *  minactivity, SCIP_Real *  maxactivity, SCIP_Real *  minabscoef  )

static

computes the minactivity, maxactivity, and minimal absolute value of nonzero coefficients of a linear constraint with respect to its global bounds

Parameters

scip	SCIP data structure
cons	pointer to linear constraint
minactivity	pointer to return the minimal activity
maxactivity	pointer to return the maximal activity
minabscoef	pointer to return the minimal absolute value of the coefficients

Definition at line 234 of file cons_superindicator.c.

References FALSE, NULL, SCIP_Bool, SCIP_Real, SCIPconsGetHdlr(), SCIPconshdlrGetName(), SCIPgetNVarsLinear(), SCIPgetValsLinear(), SCIPgetVarsLinear(), SCIPinfinity(), SCIPisInfinity(), SCIPvarGetLbGlobal(), and SCIPvarGetUbGlobal().

Referenced by upgradeLinearSuperindicator().

upgradeIndicatorSuperindicator()

static SCIP_RETCODE upgradeIndicatorSuperindicator ( SCIP *  scip, SCIP_CONS *  cons, SCIP_Bool *  success, SCIP_Bool *  deleted  )

static

tries to upgrade superindicator constraint to an indicator constraint

Parameters

scip	SCIP data structure
cons	superindicator constraint to be upgraded
success	pointer to store if the upgrading was successful
deleted	pointer to store if the constraint was deleted

Definition at line 311 of file cons_superindicator.c.

References FALSE, NULL, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_Real, SCIPaddCons(), SCIPallocBufferArray, SCIPconsGetData(), SCIPconsGetHdlr(), SCIPconsGetName(), SCIPconshdlrGetName(), SCIPconsIsChecked(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPcreateConsIndicator(), SCIPdebug, SCIPdebugMsg, SCIPdelCons(), SCIPfindConshdlr(), SCIPfreeBufferArray, SCIPgetLhsLinear(), SCIPgetNVarsLinear(), SCIPgetRhsLinear(), SCIPgetValsLinear(), SCIPgetVarsLinear(), SCIPisInfinity(), SCIPreleaseCons(), SCIPsnprintf(), and TRUE.

Referenced by upgradeSuperindicator().

upgradeLinearSuperindicator()

static SCIP_RETCODE upgradeLinearSuperindicator ( SCIP *  scip, SCIP_CONS *  cons, SCIP_Bool *  success, SCIP_Bool *  deleted  )

static

upgrades a superindicator constraint to a linear constraint if possible

Parameters

scip	SCIP data structure
cons	superindicator constraint to be upgraded
success	pointer to store if the upgrading was successful
deleted	pointer to store if the constraint was deleted

Definition at line 427 of file cons_superindicator.c.

References extractLinearValues(), FALSE, NULL, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_Real, SCIPaddCons(), SCIPallocBufferArray, SCIPconsGetData(), SCIPconsGetHdlr(), SCIPconsGetName(), SCIPconshdlrGetData(), SCIPconshdlrGetName(), SCIPconsIsChecked(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsModifiable(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPcreateConsLinear(), SCIPdebug, SCIPdebugMsg, SCIPdelCons(), SCIPfindConshdlr(), SCIPfreeBufferArray, SCIPgetLhsLinear(), SCIPgetNVarsLinear(), SCIPgetRhsLinear(), SCIPgetValsLinear(), SCIPgetVarsLinear(), SCIPinfinity(), SCIPisGE(), SCIPisInfinity(), SCIPisLE(), SCIPisNegative(), SCIPisPositive(), SCIPreleaseCons(), SCIPsnprintf(), and TRUE.

Referenced by upgradeSuperindicator().

upgradeSuperindicator()

static SCIP_RETCODE upgradeSuperindicator ( SCIP *  scip, SCIP_CONS *  cons, SCIP_Bool *  success, SCIP_Bool *  deleted  )

static

tries to upgrade a superindicator constraint in order of the upgrade priority parameters

Parameters

scip	SCIP data structure
cons	superindicator constraint to be updated
success	pointer to store if the constraint was upgraded
deleted	pointer to store if the constraint was deleted

Definition at line 630 of file cons_superindicator.c.

References FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPconsGetHdlr(), SCIPconshdlrGetData(), upgradeIndicatorSuperindicator(), and upgradeLinearSuperindicator().

Referenced by SCIP_DECL_CONSPRESOL().

enforceConstraint()

static SCIP_RETCODE enforceConstraint ( SCIP *  scip, SCIP_CONSHDLR *  conshdlr, SCIP_CONS **  conss, int  nconss, int  nusefulconss, SCIP_SOL *  sol, SCIP_Bool  solinfeasible, 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
nusefulconss	number of useful (non-obsolete) constraints to process
sol	solution to enforce (NULL for the LP solution)
solinfeasible	was the solution already declared infeasible by a constraint handler?
result	pointer to store the result of the enforcing call

Definition at line 677 of file cons_superindicator.c.

References consdataCheckSuperindicator(), FALSE, NULL, SCIP_Bool, SCIP_BRANCHED, SCIP_CALL, SCIP_CONSADDED, SCIP_CUTOFF, SCIP_FEASIBLE, SCIP_INFEASIBLE, SCIP_INVALIDRESULT, SCIP_OKAY, SCIP_REDUCEDDOM, SCIP_SEPARATED, SCIPconsGetData(), SCIPconsGetName(), SCIPdebugMsg, SCIPdebugPrintf, SCIPenfolpCons(), SCIPenforelaxCons(), SCIPerrorMessage, SCIPisFeasEQ(), SCIPprintSol(), SCIPvarGetLbLocal(), SCIPvarGetName(), and TRUE.

Referenced by SCIP_DECL_CONSENFOLP(), and SCIP_DECL_CONSENFORELAX().

SCIP_DECL_CONSHDLRCOPY()

static SCIP_DECL_CONSHDLRCOPY ( conshdlrCopySuperindicator  )

static

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

Definition at line 811 of file cons_superindicator.c.

References CONSHDLR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPconshdlrGetName(), SCIPincludeConshdlrSuperindicator(), and TRUE.

SCIP_DECL_CONSFREE()

static SCIP_DECL_CONSFREE ( consFreeSuperindicator  )

static

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

Definition at line 827 of file cons_superindicator.c.

References CONSHDLR_NAME, NULL, SCIP_OKAY, SCIPconshdlrGetData(), SCIPconshdlrGetName(), SCIPconshdlrSetData(), SCIPdebugMsg, and SCIPfreeBlockMemory.

SCIP_DECL_CONSINITPRE()

static SCIP_DECL_CONSINITPRE ( consInitpreSuperindicator  )

static

presolving initialization method of constraint handler (called when presolving is about to begin)

Definition at line 850 of file cons_superindicator.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPconsGetData(), SCIPdebugMsg, SCIPsetConsLocal(), and TRUE.

SCIP_DECL_CONSDELETE()

static SCIP_DECL_CONSDELETE ( consDeleteSuperindicator  )

static

frees specific constraint data

Definition at line 871 of file cons_superindicator.c.

References CONSHDLR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPconsGetName(), SCIPconshdlrGetName(), SCIPdebugMsg, SCIPfreeBlockMemory, and SCIPreleaseCons().

SCIP_DECL_CONSTRANS()

static SCIP_DECL_CONSTRANS ( consTransSuperindicator  )

static

transforms constraint data into data belonging to the transformed problem

Definition at line 894 of file cons_superindicator.c.

References consdataCreateSuperindicator(), NULL, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIPconsGetData(), SCIPconsGetName(), SCIPconsIsChecked(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsModifiable(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPcreateCons(), SCIPdebugMsg, and SCIPsnprintf().

SCIP_DECL_CONSINITLP()

static SCIP_DECL_CONSINITLP ( consInitlpSuperindicator  )

static

LP initialization method of constraint handler

Definition at line 921 of file cons_superindicator.c.

References CONSHDLR_NAME, FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPconsGetData(), SCIPconsGetName(), SCIPconshdlrGetName(), SCIPconsIsInitial(), SCIPdebugMsg, SCIPinitlpCons(), SCIPisFeasEQ(), SCIPvarGetLbLocal(), and SCIPvarGetName().

SCIP_DECL_CONSSEPALP()

static SCIP_DECL_CONSSEPALP ( consSepalpSuperindicator  )

static

separation method of constraint handler for LP solutions

Definition at line 958 of file cons_superindicator.c.

References CONSHDLR_NAME, FALSE, NULL, SCIP_CALL, SCIP_CONSADDED, SCIP_CUTOFF, SCIP_DELAYED, SCIP_DIDNOTFIND, SCIP_DIDNOTRUN, SCIP_INFEASIBLE, SCIP_INVALIDRESULT, SCIP_NEWROUND, SCIP_OKAY, SCIP_REDUCEDDOM, SCIP_SEPARATED, SCIPconsGetData(), SCIPconsGetName(), SCIPconshdlrGetName(), SCIPdebugMsg, SCIPdebugMsgPrint, SCIPerrorMessage, SCIPisFeasEQ(), SCIPprintSol(), SCIPsepalpCons(), SCIPvarGetLbLocal(), and SCIPvarGetName().

SCIP_DECL_CONSSEPASOL()

static SCIP_DECL_CONSSEPASOL ( consSepasolSuperindicator  )

static

separation method of constraint handler for arbitrary primal solutions

Definition at line 1067 of file cons_superindicator.c.

References CONSHDLR_NAME, FALSE, NULL, SCIP_CALL, SCIP_CONSADDED, SCIP_CUTOFF, SCIP_DELAYED, SCIP_DIDNOTFIND, SCIP_DIDNOTRUN, SCIP_INFEASIBLE, SCIP_INVALIDRESULT, SCIP_NEWROUND, SCIP_OKAY, SCIP_REDUCEDDOM, SCIP_SEPARATED, SCIPconsGetData(), SCIPconsGetName(), SCIPconshdlrGetName(), SCIPdebugMsg, SCIPdebugMsgPrint, SCIPerrorMessage, SCIPisFeasEQ(), SCIPprintSol(), SCIPsepasolCons(), SCIPvarGetLbLocal(), and SCIPvarGetName().

SCIP_DECL_CONSENFOLP()

static SCIP_DECL_CONSENFOLP ( consEnfolpSuperindicator  )

static

constraint enforcing method of constraint handler for LP solutions

Definition at line 1176 of file cons_superindicator.c.

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

SCIP_DECL_CONSENFORELAX()

static SCIP_DECL_CONSENFORELAX ( consEnforelaxSuperindicator  )

static

constraint enforcing method of constraint handler for relaxation solutions

Definition at line 1185 of file cons_superindicator.c.

References enforceConstraint(), SCIP_CALL, and SCIP_OKAY.

SCIP_DECL_CONSENFOPS()

static SCIP_DECL_CONSENFOPS ( consEnfopsSuperindicator  )

static

constraint enforcing method of constraint handler for pseudo solutions

Definition at line 1194 of file cons_superindicator.c.

References consdataCheckSuperindicator(), FALSE, NULL, SCIP_Bool, SCIP_BRANCHED, SCIP_CALL, SCIP_CONSADDED, SCIP_CUTOFF, SCIP_DIDNOTRUN, SCIP_FEASIBLE, SCIP_INFEASIBLE, SCIP_INVALIDRESULT, SCIP_OKAY, SCIP_REDUCEDDOM, SCIP_SOLVELP, SCIPconsGetData(), SCIPconsGetName(), SCIPdebugMsg, SCIPdebugMsgPrint, SCIPenfopsCons(), SCIPerrorMessage, SCIPisFeasEQ(), SCIPvarGetLbLocal(), SCIPvarGetName(), and TRUE.

SCIP_DECL_CONSCHECK()

static SCIP_DECL_CONSCHECK ( consCheckSuperindicator  )

static

feasibility check method of constraint handler for integral solutions

Definition at line 1327 of file cons_superindicator.c.

References consdataCheckSuperindicator(), NULL, SCIP_CALL, SCIP_FEASIBLE, SCIP_INFEASIBLE, SCIP_OKAY, SCIPconsGetData(), SCIPdebugMsg, SCIPheurGetName(), and SCIPsolGetHeur().

SCIP_DECL_CONSPROP()

static SCIP_DECL_CONSPROP ( consPropSuperindicator  )

static

domain propagation method of constraint handler

Definition at line 1355 of file cons_superindicator.c.

References FALSE, NULL, SCIP_CALL, SCIP_CUTOFF, SCIP_DELAYED, SCIP_DIDNOTFIND, SCIP_DIDNOTRUN, SCIP_INVALIDRESULT, SCIP_OKAY, SCIP_REDUCEDDOM, SCIPaddCons(), SCIPconsGetData(), SCIPconsGetName(), SCIPdebugMsg, SCIPdebugMsgPrint, SCIPdelCons(), SCIPerrorMessage, SCIPisFeasEQ(), SCIPpropCons(), SCIPsetConsLocal(), SCIPvarGetLbGlobal(), SCIPvarGetLbLocal(), and SCIPvarGetName().

SCIP_DECL_CONSPRESOL()

static SCIP_DECL_CONSPRESOL ( consPresolSuperindicator  )

static

presolving method of constraint handler

Definition at line 1448 of file cons_superindicator.c.

References FALSE, NULL, SCIP_Bool, SCIP_CALL, SCIP_CUTOFF, SCIP_DELAYED, SCIP_DIDNOTFIND, SCIP_DIDNOTRUN, SCIP_OKAY, SCIP_SUCCESS, SCIP_UNBOUNDED, SCIPaddCons(), SCIPconsGetData(), SCIPconsGetName(), SCIPdebugMsg, SCIPdelCons(), SCIPisFeasEQ(), SCIPsetConsLocal(), SCIPvarGetLbGlobal(), SCIPvarGetName(), and upgradeSuperindicator().

SCIP_DECL_CONSRESPROP()

static SCIP_DECL_CONSRESPROP ( consRespropSuperindicator  )

static

propagation conflict resolving method of constraint handler

Definition at line 1537 of file cons_superindicator.c.

References NULL, SCIP_CALL, SCIP_DIDNOTFIND, SCIP_OKAY, SCIPaddConflictLb(), SCIPconsGetData(), SCIPconsGetName(), SCIPdebugMsg, SCIPdebugMsgPrint, SCIPgetVarUbAtIndex(), SCIPisFeasEQ(), SCIPrespropCons(), and TRUE.

SCIP_DECL_CONSLOCK()

static SCIP_DECL_CONSLOCK ( consLockSuperindicator  )

static

variable rounding lock method of constraint handler

Definition at line 1570 of file cons_superindicator.c.

References NULL, SCIP_CALL, SCIP_LOCKTYPE_MODEL, SCIP_OKAY, SCIPaddConsLocksType(), SCIPaddVarLocksType(), SCIPconsGetData(), SCIPconsGetName(), and SCIPdebugMsg.

SCIP_DECL_CONSPRINT()

static SCIP_DECL_CONSPRINT ( consPrintSuperindicator  )

static

constraint display method of constraint handler

Definition at line 1594 of file cons_superindicator.c.

References CONSHDLR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIP_VARSTATUS_NEGATED, SCIPconsGetData(), SCIPconshdlrGetName(), SCIPinfoMessage(), SCIPprintCons(), SCIPvarGetNegatedVar(), SCIPvarGetStatus(), SCIPwriteVarName(), and TRUE.

SCIP_DECL_CONSCOPY()

static SCIP_DECL_CONSCOPY ( consCopySuperindicator  )

static

constraint copying method of constraint handler

Definition at line 1636 of file cons_superindicator.c.

References CONSHDLR_NAME, FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIP_VERBLEVEL_MINIMAL, SCIPaddCons(), SCIPcaptureCons(), SCIPconsGetData(), SCIPconsGetHdlr(), SCIPconsGetName(), SCIPconshdlrGetName(), SCIPconsIsChecked(), SCIPconsIsDeleted(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsModifiable(), SCIPconsIsPropagated(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPconsIsTransformed(), SCIPcreateConsLinear(), SCIPcreateConsSuperindicator(), SCIPdebugMsg, SCIPgetConsCopy(), SCIPgetTransformedCons(), SCIPgetVarCopy(), SCIPinfinity(), SCIPisTransformed(), SCIPreleaseCons(), SCIPverbMessage(), SCIPwarningMessage(), and TRUE.

SCIP_DECL_CONSPARSE()

static SCIP_DECL_CONSPARSE ( consParseSuperindicator  )

static

constraint parsing method of constraint handler

Definition at line 1755 of file cons_superindicator.c.

References FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIP_VERBLEVEL_MINIMAL, SCIPcreateConsSuperindicator(), SCIPdebugMsg, SCIPfindVar(), SCIPgetNegatedVar(), SCIPparseCons(), SCIPreleaseCons(), and SCIPverbMessage().

SCIP_DECL_CONSGETVARS()

static SCIP_DECL_CONSGETVARS ( consGetVarsSuperindicator  )

static

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

Definition at line 1847 of file cons_superindicator.c.

References FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPconsGetData(), and SCIPgetConsVars().

SCIP_DECL_CONSGETNVARS()

static SCIP_DECL_CONSGETNVARS ( consGetNVarsSuperindicator  )

static

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

Definition at line 1871 of file cons_superindicator.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPconsGetData(), and SCIPgetConsNVars().