event.c File Reference

Detailed Description

methods and datastructures for managing events

Author

Tobias Achterberg

Definition in file event.c.

#include <assert.h>
#include <string.h>
#include "scip/def.h"
#include "scip/set.h"
#include "scip/clock.h"
#include "scip/event.h"
#include "scip/lp.h"
#include "scip/var.h"
#include "scip/primal.h"
#include "scip/branch.h"
#include "scip/pub_message.h"

Go to the source code of this file.

Functions
SCIP_RETCODE	SCIPeventhdlrCopyInclude (SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set)
SCIP_RETCODE	SCIPeventhdlrCreate (SCIP_EVENTHDLR **eventhdlr, const char *name, const char *desc, SCIP_DECL_EVENTCOPY((*eventcopy)), SCIP_DECL_EVENTFREE((*eventfree)), SCIP_DECL_EVENTINIT((*eventinit)), SCIP_DECL_EVENTEXIT((*eventexit)), SCIP_DECL_EVENTINITSOL((*eventinitsol)), SCIP_DECL_EVENTEXITSOL((*eventexitsol)), SCIP_DECL_EVENTDELETE((*eventdelete)), SCIP_DECL_EVENTEXEC((*eventexec)), SCIP_EVENTHDLRDATA *eventhdlrdata)
SCIP_RETCODE	SCIPeventhdlrFree (SCIP_EVENTHDLR **eventhdlr, SCIP_SET *set)
SCIP_RETCODE	SCIPeventhdlrInit (SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set)
SCIP_RETCODE	SCIPeventhdlrExit (SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set)
SCIP_RETCODE	SCIPeventhdlrInitsol (SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set)
SCIP_RETCODE	SCIPeventhdlrExitsol (SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set)
SCIP_RETCODE	SCIPeventhdlrExec (SCIP_EVENTHDLR *eventhdlr, SCIP_SET *set, SCIP_EVENT *event, SCIP_EVENTDATA *eventdata)
const char *	SCIPeventhdlrGetName (SCIP_EVENTHDLR *eventhdlr)
SCIP_EVENTHDLRDATA *	SCIPeventhdlrGetData (SCIP_EVENTHDLR *eventhdlr)
void	SCIPeventhdlrSetData (SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTHDLRDATA *eventhdlrdata)
void	SCIPeventhdlrSetCopy (SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTCOPY((*eventcopy)))
void	SCIPeventhdlrSetFree (SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTFREE((*eventfree)))
void	SCIPeventhdlrSetInit (SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTINIT((*eventinit)))
void	SCIPeventhdlrSetExit (SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTEXIT((*eventexit)))
void	SCIPeventhdlrSetInitsol (SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTINITSOL((*eventinitsol)))
void	SCIPeventhdlrSetExitsol (SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTEXITSOL((*eventexitsol)))
void	SCIPeventhdlrSetDelete (SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTDELETE((*eventdelete)))
SCIP_Bool	SCIPeventhdlrIsInitialized (SCIP_EVENTHDLR *eventhdlr)
void	SCIPeventhdlrEnableOrDisableClocks (SCIP_EVENTHDLR *eventhdlr, SCIP_Bool enable)
SCIP_Real	SCIPeventhdlrGetSetupTime (SCIP_EVENTHDLR *eventhdlr)
SCIP_Real	SCIPeventhdlrGetTime (SCIP_EVENTHDLR *eventhdlr)
SCIP_RETCODE	SCIPeventCreateVarAdded (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var)
SCIP_RETCODE	SCIPeventCreateVarDeleted (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var)
SCIP_RETCODE	SCIPeventCreateVarFixed (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var)
SCIP_RETCODE	SCIPeventCreateVarUnlocked (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var)
SCIP_RETCODE	SCIPeventCreateObjChanged (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real oldobj, SCIP_Real newobj)
SCIP_RETCODE	SCIPeventCreateGlbChanged (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real oldbound, SCIP_Real newbound)
SCIP_RETCODE	SCIPeventCreateGubChanged (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real oldbound, SCIP_Real newbound)
SCIP_RETCODE	SCIPeventCreateLbChanged (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real oldbound, SCIP_Real newbound)
SCIP_RETCODE	SCIPeventCreateUbChanged (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real oldbound, SCIP_Real newbound)
SCIP_RETCODE	SCIPeventCreateGholeAdded (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real left, SCIP_Real right)
SCIP_RETCODE	SCIPeventCreateGholeRemoved (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real left, SCIP_Real right)
SCIP_RETCODE	SCIPeventCreateLholeAdded (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real left, SCIP_Real right)
SCIP_RETCODE	SCIPeventCreateLholeRemoved (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var, SCIP_Real left, SCIP_Real right)
SCIP_RETCODE	SCIPeventCreateImplAdded (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_VAR *var)
SCIP_RETCODE	SCIPeventCreateRowAddedSepa (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row)
SCIP_RETCODE	SCIPeventCreateRowDeletedSepa (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row)
SCIP_RETCODE	SCIPeventCreateRowAddedLP (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row)
SCIP_RETCODE	SCIPeventCreateRowDeletedLP (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row)
SCIP_RETCODE	SCIPeventCreateRowCoefChanged (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row, SCIP_COL *col, SCIP_Real oldval, SCIP_Real newval)
SCIP_RETCODE	SCIPeventCreateRowConstChanged (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row, SCIP_Real oldval, SCIP_Real newval)
SCIP_RETCODE	SCIPeventCreateRowSideChanged (SCIP_EVENT **event, BMS_BLKMEM *blkmem, SCIP_ROW *row, SCIP_SIDETYPE side, SCIP_Real oldval, SCIP_Real newval)
SCIP_RETCODE	SCIPeventFree (SCIP_EVENT **event, BMS_BLKMEM *blkmem)
static void	eventDisable (SCIP_EVENT *event)
SCIP_EVENTTYPE	SCIPeventGetType (SCIP_EVENT *event)
SCIP_RETCODE	SCIPeventChgType (SCIP_EVENT *event, SCIP_EVENTTYPE eventtype)
SCIP_VAR *	SCIPeventGetVar (SCIP_EVENT *event)
SCIP_RETCODE	SCIPeventChgVar (SCIP_EVENT *event, SCIP_VAR *var)
SCIP_Real	SCIPeventGetOldobj (SCIP_EVENT *event)
SCIP_Real	SCIPeventGetNewobj (SCIP_EVENT *event)
SCIP_Real	SCIPeventGetOldbound (SCIP_EVENT *event)
SCIP_Real	SCIPeventGetNewbound (SCIP_EVENT *event)
SCIP_NODE *	SCIPeventGetNode (SCIP_EVENT *event)
SCIP_RETCODE	SCIPeventChgNode (SCIP_EVENT *event, SCIP_NODE *node)
SCIP_SOL *	SCIPeventGetSol (SCIP_EVENT *event)
SCIP_RETCODE	SCIPeventChgSol (SCIP_EVENT *event, SCIP_SOL *sol)
SCIP_Real	SCIPeventGetHoleLeft (SCIP_EVENT *event)
SCIP_Real	SCIPeventGetHoleRight (SCIP_EVENT *event)
SCIP_ROW *	SCIPeventGetRow (SCIP_EVENT *event)
SCIP_COL *	SCIPeventGetRowCol (SCIP_EVENT *event)
SCIP_Real	SCIPeventGetRowOldCoefVal (SCIP_EVENT *event)
SCIP_Real	SCIPeventGetRowNewCoefVal (SCIP_EVENT *event)
SCIP_Real	SCIPeventGetRowOldConstVal (SCIP_EVENT *event)
SCIP_Real	SCIPeventGetRowNewConstVal (SCIP_EVENT *event)
SCIP_SIDETYPE	SCIPeventGetRowSide (SCIP_EVENT *event)
SCIP_Real	SCIPeventGetRowOldSideVal (SCIP_EVENT *event)
SCIP_Real	SCIPeventGetRowNewSideVal (SCIP_EVENT *event)
SCIP_RETCODE	SCIPeventProcess (SCIP_EVENT *event, SCIP_SET *set, SCIP_PRIMAL *primal, SCIP_LP *lp, SCIP_BRANCHCAND *branchcand, SCIP_EVENTFILTER *eventfilter)
static SCIP_RETCODE	eventfilterEnsureMem (SCIP_EVENTFILTER *eventfilter, BMS_BLKMEM *blkmem, SCIP_SET *set, int num)
SCIP_RETCODE	SCIPeventfilterCreate (SCIP_EVENTFILTER **eventfilter, BMS_BLKMEM *blkmem)
SCIP_RETCODE	SCIPeventfilterFree (SCIP_EVENTFILTER **eventfilter, BMS_BLKMEM *blkmem, SCIP_SET *set)
SCIP_RETCODE	SCIPeventfilterAdd (SCIP_EVENTFILTER *eventfilter, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int *filterpos)
static int	eventfilterSearch (SCIP_EVENTFILTER *const eventfilter, SCIP_EVENTTYPE const eventtype, SCIP_EVENTHDLR *const eventhdlr, SCIP_EVENTDATA *const eventdata)
SCIP_RETCODE	SCIPeventfilterDel (SCIP_EVENTFILTER *eventfilter, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int filterpos)
static void	eventfilterDelayUpdates (SCIP_EVENTFILTER *eventfilter)
static void	eventfilterProcessUpdates (SCIP_EVENTFILTER *eventfilter)
SCIP_RETCODE	SCIPeventfilterProcess (SCIP_EVENTFILTER *eventfilter, SCIP_SET *set, SCIP_EVENT *event)
static SCIP_RETCODE	eventqueueEnsureEventsMem (SCIP_EVENTQUEUE *eventqueue, SCIP_SET *set, int num)
SCIP_RETCODE	SCIPeventqueueCreate (SCIP_EVENTQUEUE **eventqueue)
SCIP_RETCODE	SCIPeventqueueFree (SCIP_EVENTQUEUE **eventqueue)
static SCIP_RETCODE	eventqueueAppend (SCIP_EVENTQUEUE *eventqueue, SCIP_SET *set, SCIP_EVENT **event)
SCIP_RETCODE	SCIPeventqueueAdd (SCIP_EVENTQUEUE *eventqueue, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_PRIMAL *primal, SCIP_LP *lp, SCIP_BRANCHCAND *branchcand, SCIP_EVENTFILTER *eventfilter, SCIP_EVENT **event)
SCIP_RETCODE	SCIPeventqueueDelay (SCIP_EVENTQUEUE *eventqueue)
SCIP_RETCODE	SCIPeventqueueProcess (SCIP_EVENTQUEUE *eventqueue, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_PRIMAL *primal, SCIP_LP *lp, SCIP_BRANCHCAND *branchcand, SCIP_EVENTFILTER *eventfilter)
SCIP_Bool	SCIPeventqueueIsDelayed (SCIP_EVENTQUEUE *eventqueue)

Function Documentation

SCIP_RETCODE SCIPeventhdlrCopyInclude	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_SET *	set
	)

copies the given event handler to a new scip

Parameters

eventhdlr	event handler
set	SCIP_SET of SCIP to copy to

Definition at line 45 of file event.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPdebugMessage, and SCIPeventhdlrGetName().

Referenced by SCIPsetCopyPlugins().

SCIP_RETCODE SCIPeventhdlrCreate	(	SCIP_EVENTHDLR **	eventhdlr,
		const char *	name,
		const char *	desc,
		SCIP_DECL_EVENTCOPY((*eventcopy))	,
		SCIP_DECL_EVENTFREE((*eventfree))	,
		SCIP_DECL_EVENTINIT((*eventinit))	,
		SCIP_DECL_EVENTEXIT((*eventexit))	,
		SCIP_DECL_EVENTINITSOL((*eventinitsol))	,
		SCIP_DECL_EVENTEXITSOL((*eventexitsol))	,
		SCIP_DECL_EVENTDELETE((*eventdelete))	,
		SCIP_DECL_EVENTEXEC((*eventexec))	,
		SCIP_EVENTHDLRDATA *	eventhdlrdata
	)

creates an event handler

Parameters

eventhdlr	pointer to event handler data structure
name	name of event handler
desc	description of event handler
eventhdlrdata	event handler data

Definition at line 64 of file event.c.

References BMSallocMemory, BMSduplicateMemoryArray, FALSE, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_CLOCKTYPE_DEFAULT, SCIP_OKAY, and SCIPclockCreate().

Referenced by SCIPincludeEventhdlr(), SCIPincludeEventhdlrBasic(), SCIPnlpInclude(), and SCIPreoptCreate().

SCIP_RETCODE SCIPeventhdlrFree	(	SCIP_EVENTHDLR **	eventhdlr,
		SCIP_SET *	set
	)

calls destructor and frees memory of event handler

Parameters

eventhdlr	pointer to event handler data structure
set	global SCIP settings

Definition at line 106 of file event.c.

References BMSfreeMemory, BMSfreeMemoryArray, NULL, SCIP_CALL, SCIP_OKAY, and SCIPclockFree().

SCIP_RETCODE SCIPeventhdlrInit	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_SET *	set
	)

initializes event handler

Parameters

eventhdlr	event handler for this event
set	global SCIP settings

Definition at line 134 of file event.c.

References SCIP_Eventhdlr::eventtime, SCIP_Eventhdlr::initialized, SCIP_Eventhdlr::name, NULL, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPclockReset(), SCIPclockStart(), SCIPclockStop(), SCIPerrorMessage, SCIP_Eventhdlr::setuptime, and TRUE.

Referenced by SCIPsetInitPlugins().

SCIP_RETCODE SCIPeventhdlrExit	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_SET *	set
	)

calls exit method of event handler

Parameters

eventhdlr	event handler for this event
set	global SCIP settings

Definition at line 170 of file event.c.

References FALSE, SCIP_Eventhdlr::initialized, SCIP_Eventhdlr::name, NULL, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPclockStart(), SCIPclockStop(), SCIPerrorMessage, and SCIP_Eventhdlr::setuptime.

Referenced by SCIPsetExitPlugins().

SCIP_RETCODE SCIPeventhdlrInitsol	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_SET *	set
	)

informs event handler that the branch and bound process is being started

Parameters

eventhdlr	event handler
set	global SCIP settings

Definition at line 200 of file event.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPclockStart(), SCIPclockStop(), and SCIP_Eventhdlr::setuptime.

Referenced by SCIPsetInitsolPlugins().

SCIP_RETCODE SCIPeventhdlrExitsol	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_SET *	set
	)

informs event handler that the branch and bound process data is being freed

Parameters

eventhdlr	event handler
set	global SCIP settings

Definition at line 224 of file event.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPclockStart(), SCIPclockStop(), and SCIP_Eventhdlr::setuptime.

Referenced by SCIPsetExitsolPlugins().

SCIP_RETCODE SCIPeventhdlrExec	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_SET *	set,
		SCIP_EVENT *	event,
		SCIP_EVENTDATA *	eventdata
	)

calls execution method of event handler

Parameters

eventhdlr	event handler
set	global SCIP settings
event	event to call event handler with
eventdata	user data for the issued event

Definition at line 248 of file event.c.

References SCIP_Eventhdlr::eventtime, SCIP_Event::eventtype, SCIP_Eventhdlr::name, NULL, SCIP_CALL, SCIP_OKAY, SCIPclockStart(), SCIPclockStop(), and SCIPdebugMessage.

Referenced by SCIPeventfilterProcess().

const char* SCIPeventhdlrGetName

(

SCIP_EVENTHDLR *

eventhdlr

)

gets name of event handler

Parameters

eventhdlr

event handler

Definition at line 278 of file event.c.

References SCIP_Eventhdlr::name, and NULL.

Referenced by SCIP_DECL_CONSGETNVARS(), SCIP_DECL_EVENTCOPY(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_EVENTEXIT(), SCIP_DECL_EVENTEXITSOL(), SCIP_DECL_EVENTFREE(), SCIP_DECL_EVENTINIT(), SCIP_DECL_EVENTINITSOL(), SCIPeventhdlrCopyInclude(), and SCIPsetSortComprs().

SCIP_EVENTHDLRDATA* SCIPeventhdlrGetData

(

SCIP_EVENTHDLR *

eventhdlr

)

gets user data of event handler

Parameters

eventhdlr

event handler

Definition at line 288 of file event.c.

References SCIP_Eventhdlr::eventhdlrdata, and NULL.

Referenced by SCIP_DECL_EVENTCOPY(), SCIP_DECL_EVENTDELETE(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_EVENTEXIT(), SCIP_DECL_EVENTEXITSOL(), SCIP_DECL_EVENTFREE(), SCIP_DECL_EVENTINIT(), SCIP_DECL_EVENTINITSOL(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEURFREE(), SCIPfindObjEventhdlr(), and SCIPgetObjEventhdlr().

void SCIPeventhdlrSetData	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_EVENTHDLRDATA *	eventhdlrdata
	)

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

Parameters

eventhdlr	event handler
eventhdlrdata	new event handler user data

Definition at line 298 of file event.c.

References SCIP_Eventhdlr::eventhdlrdata, and NULL.

Referenced by SCIP_DECL_EVENTFREE().

void SCIPeventhdlrSetCopy	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_DECL_EVENTCOPY((*eventcopy))
	)

sets copy callback for all events of this event handler

Parameters

eventhdlr

event handler

Definition at line 309 of file event.c.

References NULL.

Referenced by SCIPsetEventhdlrCopy().

void SCIPeventhdlrSetFree	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_DECL_EVENTFREE((*eventfree))
	)

sets destructor callback of this event handler

Parameters

eventhdlr

event handler

Definition at line 320 of file event.c.

References NULL.

Referenced by SCIPsetEventhdlrFree().

void SCIPeventhdlrSetInit	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_DECL_EVENTINIT((*eventinit))
	)

sets initialization callback of this event handler

Parameters

eventhdlr

event handler

Definition at line 331 of file event.c.

References NULL.

Referenced by SCIPsetEventhdlrInit().

void SCIPeventhdlrSetExit	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_DECL_EVENTEXIT((*eventexit))
	)

sets deinitialization callback of this event handler

Parameters

eventhdlr

event handler

Definition at line 342 of file event.c.

References NULL.

Referenced by SCIPsetEventhdlrExit().

void SCIPeventhdlrSetInitsol	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_DECL_EVENTINITSOL((*eventinitsol))
	)

sets solving process initialization callback of this event handler

Parameters

eventhdlr

event handler

Definition at line 353 of file event.c.

References NULL.

Referenced by SCIPsetEventhdlrInitsol().

void SCIPeventhdlrSetExitsol	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_DECL_EVENTEXITSOL((*eventexitsol))
	)

sets solving process deinitialization callback of this event handler

Parameters

eventhdlr

event handler

Definition at line 364 of file event.c.

References NULL.

Referenced by SCIPsetEventhdlrExitsol().

void SCIPeventhdlrSetDelete	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_DECL_EVENTDELETE((*eventdelete))
	)

sets callback to free specific event data

Parameters

eventhdlr

event handler

Definition at line 375 of file event.c.

References NULL.

Referenced by SCIPsetEventhdlrDelete().

SCIP_Bool SCIPeventhdlrIsInitialized

(

SCIP_EVENTHDLR *

eventhdlr

)

is event handler initialized?

Parameters

eventhdlr

event handler

Definition at line 386 of file event.c.

References SCIP_Eventhdlr::initialized, and NULL.

Referenced by SCIPsetFindCompr().

void SCIPeventhdlrEnableOrDisableClocks	(	SCIP_EVENTHDLR *	eventhdlr,
		SCIP_Bool	enable
	)

enables or disables all clocks of eventhdlr, depending on the value of the flag

Parameters

eventhdlr	the event handler for which all clocks should be enabled or disabled
enable	should the clocks of the event handler be enabled?

Definition at line 396 of file event.c.

References SCIP_Eventhdlr::eventtime, NULL, SCIPclockEnableOrDisable(), and SCIP_Eventhdlr::setuptime.

Referenced by SCIPsetSetReoptimizationParams().

SCIP_Real SCIPeventhdlrGetSetupTime

(

SCIP_EVENTHDLR *

eventhdlr

)

gets time in seconds used in this event handler for setting up for next stages

Parameters

eventhdlr

event handler

Definition at line 408 of file event.c.

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

SCIP_Real SCIPeventhdlrGetTime

(

SCIP_EVENTHDLR *

eventhdlr

)

gets time in seconds used in this event handler, this measurement is currently disabled so this method will return 0, define TIMEEVENTEXEC in the beginning of this file to enable

Parameters

eventhdlr

event handler

Definition at line 420 of file event.c.

References SCIP_Eventhdlr::eventtime, NULL, and SCIPclockGetTime().

SCIP_RETCODE SCIPeventCreateVarAdded	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var
	)

creates an event for an addition of a variable to the problem

Parameters

event	pointer to store the event
blkmem	block memory
var	variable that was added to the problem

Definition at line 436 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_VARADDED, and SCIP_OKAY.

Referenced by SCIPprobAddVar().

SCIP_RETCODE SCIPeventCreateVarDeleted	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var
	)

creates an event for a deletion of a variable from the problem

Parameters

event	pointer to store the event
blkmem	block memory
var	variable that is to be deleted from the problem

Definition at line 454 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_VARDELETED, and SCIP_OKAY.

Referenced by SCIPprobDelVar().

SCIP_RETCODE SCIPeventCreateVarFixed	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var
	)

creates an event for a fixing of a variable

Parameters

event	pointer to store the event
blkmem	block memory
var	variable that was fixed

Definition at line 472 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_VARFIXED, SCIP_OKAY, SCIP_VARSTATUS_AGGREGATED, SCIP_VARSTATUS_FIXED, SCIP_VARSTATUS_MULTAGGR, SCIP_VARSTATUS_NEGATED, and SCIPvarGetStatus().

Referenced by varEventVarFixed().

SCIP_RETCODE SCIPeventCreateVarUnlocked	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var
	)

creates an event for a change in the number of locks of a variable down to zero or one

Parameters

event	pointer to store the event
blkmem	block memory
var	variable that changed the number of locks

Definition at line 494 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_VARUNLOCKED, SCIP_OKAY, SCIP_VARSTATUS_COLUMN, SCIP_VARSTATUS_FIXED, SCIP_VARSTATUS_LOOSE, and SCIPvarGetStatus().

Referenced by varEventVarUnlocked().

SCIP_RETCODE SCIPeventCreateObjChanged	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var,
		SCIP_Real	oldobj,
		SCIP_Real	newobj
	)

creates an event for a change in the objective value of a variable

Parameters

event	pointer to store the event
blkmem	block memory
var	variable whose objective value changed
oldobj	old objective value before value changed
newobj	new objective value after value changed

Definition at line 515 of file event.c.

References BMSallocBlockMemory, SCIP_Var::data, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_OBJCHANGED, and SCIP_OKAY.

Referenced by varEventObjChanged().

SCIP_RETCODE SCIPeventCreateGlbChanged	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var,
		SCIP_Real	oldbound,
		SCIP_Real	newbound
	)

creates an event for a change in the global lower bound of a variable

Parameters

event	pointer to store the event
blkmem	block memory
var	variable whose bound changed
oldbound	old bound before bound changed
newbound	new bound after bound changed

Definition at line 538 of file event.c.

References BMSallocBlockMemory, SCIP_Var::data, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_GLBCHANGED, and SCIP_OKAY.

Referenced by varEventGlbChanged().

SCIP_RETCODE SCIPeventCreateGubChanged	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var,
		SCIP_Real	oldbound,
		SCIP_Real	newbound
	)

creates an event for a change in the global upper bound of a variable

Parameters

event	pointer to store the event
blkmem	block memory
var	variable whose bound changed
oldbound	old bound before bound changed
newbound	new bound after bound changed

Definition at line 561 of file event.c.

References BMSallocBlockMemory, SCIP_Var::data, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_GUBCHANGED, and SCIP_OKAY.

Referenced by varEventGubChanged().

SCIP_RETCODE SCIPeventCreateLbChanged	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var,
		SCIP_Real	oldbound,
		SCIP_Real	newbound
	)

creates an event for a change in the lower bound of a variable

Parameters

event	pointer to store the event
blkmem	block memory
var	variable whose bound changed
oldbound	old bound before bound changed
newbound	new bound after bound changed

Definition at line 584 of file event.c.

References BMSallocBlockMemory, SCIP_Var::data, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_LBRELAXED, SCIP_EVENTTYPE_LBTIGHTENED, and SCIP_OKAY.

Referenced by varEventLbChanged().

SCIP_RETCODE SCIPeventCreateUbChanged	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var,
		SCIP_Real	oldbound,
		SCIP_Real	newbound
	)

creates an event for a change in the upper bound of a variable

Parameters

event	pointer to store the event
blkmem	block memory
var	variable whose bound changed
oldbound	old bound before bound changed
newbound	new bound after bound changed

Definition at line 610 of file event.c.

References BMSallocBlockMemory, SCIP_Var::data, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_UBRELAXED, SCIP_EVENTTYPE_UBTIGHTENED, and SCIP_OKAY.

Referenced by varEventUbChanged().

SCIP_RETCODE SCIPeventCreateGholeAdded	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var,
		SCIP_Real	left,
		SCIP_Real	right
	)

creates an event for an addition of a domain hole to a variable

Parameters

event	pointer to store the event
blkmem	block memory
var	variable whose bound changed
left	left bound of open interval in new hole
right	right bound of open interval in new hole

Definition at line 636 of file event.c.

References BMSallocBlockMemory, SCIP_Var::data, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_GHOLEADDED, and SCIP_OKAY.

Referenced by varEventGholeAdded().

SCIP_RETCODE SCIPeventCreateGholeRemoved	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var,
		SCIP_Real	left,
		SCIP_Real	right
	)

creates an event for removing a domain hole of a variable

Parameters

event	pointer to store the event
blkmem	block memory
var	variable whose bound changed
left	left bound of open interval in hole
right	right bound of open interval in hole

Definition at line 658 of file event.c.

References BMSallocBlockMemory, SCIP_Var::data, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_GHOLEREMOVED, and SCIP_OKAY.

SCIP_RETCODE SCIPeventCreateLholeAdded	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var,
		SCIP_Real	left,
		SCIP_Real	right
	)

creates an event for an addition of a domain hole to a variable

Parameters

event	pointer to store the event
blkmem	block memory
var	variable whose bound changed
left	left bound of open interval in new hole
right	right bound of open interval in new hole

Definition at line 680 of file event.c.

References BMSallocBlockMemory, SCIP_Var::data, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_LHOLEADDED, and SCIP_OKAY.

SCIP_RETCODE SCIPeventCreateLholeRemoved	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var,
		SCIP_Real	left,
		SCIP_Real	right
	)

creates an event for removing a domain hole of a variable

Parameters

event	pointer to store the event
blkmem	block memory
var	variable whose bound changed
left	left bound of open interval in hole
right	right bound of open interval in hole

Definition at line 702 of file event.c.

References BMSallocBlockMemory, SCIP_Var::data, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_LHOLEREMOVED, and SCIP_OKAY.

SCIP_RETCODE SCIPeventCreateImplAdded	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_VAR *	var
	)

creates an event for an addition to the variable's implications list, clique or variable bounds information

Parameters

event	pointer to store the event
blkmem	block memory
var	variable that was fixed

Definition at line 724 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_IMPLADDED, SCIP_OKAY, SCIP_VARSTATUS_COLUMN, SCIP_VARSTATUS_LOOSE, and SCIPvarGetStatus().

Referenced by SCIPcliquetableCleanup(), and varEventImplAdded().

SCIP_RETCODE SCIPeventCreateRowAddedSepa	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_ROW *	row
	)

creates an event for the addition of a linear row to the separation storage

Parameters

event	pointer to store the event
blkmem	block memory
row	row that was added to the separation storage

Definition at line 743 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_ROWADDEDSEPA, and SCIP_OKAY.

Referenced by sepastoreAddCut().

SCIP_RETCODE SCIPeventCreateRowDeletedSepa	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_ROW *	row
	)

creates an event for the deletion of a linear row from the separation storage

Parameters

event	pointer to store the event
blkmem	block memory
row	row that was deleted from the separation storage

Definition at line 762 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_ROWDELETEDSEPA, and SCIP_OKAY.

Referenced by SCIPsepastoreClearCuts(), sepastoreAddCut(), and sepastoreDelCut().

SCIP_RETCODE SCIPeventCreateRowAddedLP	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_ROW *	row
	)

creates an event for the addition of a linear row to the LP

Parameters

event	pointer to store the event
blkmem	block memory
row	row that was added to the LP

Definition at line 781 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_ROWADDEDLP, and SCIP_OKAY.

Referenced by SCIPlpAddRow().

SCIP_RETCODE SCIPeventCreateRowDeletedLP	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_ROW *	row
	)

creates an event for the deletion of a linear row from the LP

Parameters

event	pointer to store the event
blkmem	block memory
row	row that was deleted from the LP

Definition at line 800 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_ROWDELETEDLP, and SCIP_OKAY.

Referenced by lpDelRowset(), and SCIPlpShrinkRows().

SCIP_RETCODE SCIPeventCreateRowCoefChanged	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_ROW *	row,
		SCIP_COL *	col,
		SCIP_Real	oldval,
		SCIP_Real	newval
	)

creates an event for the change of a coefficient in a linear row

Parameters

event	pointer to store the event
blkmem	block memory
row	row in which a coefficient changed
col	column which coefficient changed
oldval	old value of coefficient
newval	new value of coefficient

Definition at line 819 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_ROWCOEFCHANGED, and SCIP_OKAY.

Referenced by rowEventCoefChanged().

SCIP_RETCODE SCIPeventCreateRowConstChanged	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_ROW *	row,
		SCIP_Real	oldval,
		SCIP_Real	newval
	)

creates an event for the change of a constant in a linear row

Parameters

event	pointer to store the event
blkmem	block memory
row	row in which the constant changed
oldval	old value of constant
newval	new value of constant

Definition at line 844 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_ROWCONSTCHANGED, and SCIP_OKAY.

Referenced by rowEventConstantChanged().

SCIP_RETCODE SCIPeventCreateRowSideChanged	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem,
		SCIP_ROW *	row,
		SCIP_SIDETYPE	side,
		SCIP_Real	oldval,
		SCIP_Real	newval
	)

creates an event for the change of a side of a linear row

Parameters

event	pointer to store the event
blkmem	block memory
row	row which side has changed
side	which side has changed
oldval	old value of side
newval	new value of side

Definition at line 867 of file event.c.

References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_ROWSIDECHANGED, and SCIP_OKAY.

Referenced by rowEventSideChanged().

SCIP_RETCODE SCIPeventFree	(	SCIP_EVENT **	event,
		BMS_BLKMEM *	blkmem
	)

frees an event

Parameters

event	event to free
blkmem	block memory buffer

Definition at line 892 of file event.c.

References BMSfreeBlockMemory, NULL, and SCIP_OKAY.

Referenced by SCIPeventqueueAdd(), and SCIPeventqueueProcess().

static void eventDisable ( SCIP_EVENT *  event )

static

disables an event

Parameters

event

event to disable

Definition at line 907 of file event.c.

References NULL, and SCIP_EVENTTYPE_DISABLED.

Referenced by SCIPeventqueueAdd().

SCIP_EVENTTYPE SCIPeventGetType

(

SCIP_EVENT *

event

)

gets type of event

Parameters

event

event

Definition at line 917 of file event.c.

References NULL.

Referenced by SCIP_DECL_CONSGETNVARS(), and SCIP_DECL_EVENTEXEC().

SCIP_RETCODE SCIPeventChgType	(	SCIP_EVENT *	event,
		SCIP_EVENTTYPE	eventtype
	)

sets type of event

Parameters

event	event
eventtype	new event type

Definition at line 927 of file event.c.

References NULL, and SCIP_OKAY.

Referenced by presolveRound(), priceAndCutLoop(), primalAddSol(), SCIPsolveCIP(), and solveNodeInitialLP().

SCIP_VAR* SCIPeventGetVar

(

SCIP_EVENT *

event

)

gets variable for a variable event (var added, var deleted, var fixed, objective value or domain change)

Parameters

event

event

Definition at line 940 of file event.c.

References SCIP_Event::data, SCIP_Event::eventbdchg, SCIP_Event::eventhole, SCIP_Event::eventimpladd, SCIP_Event::eventobjchg, SCIP_Event::eventtype, SCIP_Event::eventvaradded, SCIP_Event::eventvardeleted, SCIP_Event::eventvarfixed, SCIP_Event::eventvarunlocked, NULL, SCIP_EVENTTYPE_GHOLEADDED, SCIP_EVENTTYPE_GHOLEREMOVED, SCIP_EVENTTYPE_GLBCHANGED, SCIP_EVENTTYPE_GUBCHANGED, SCIP_EVENTTYPE_IMPLADDED, SCIP_EVENTTYPE_LBRELAXED, SCIP_EVENTTYPE_LBTIGHTENED, SCIP_EVENTTYPE_LHOLEADDED, SCIP_EVENTTYPE_LHOLEREMOVED, SCIP_EVENTTYPE_OBJCHANGED, SCIP_EVENTTYPE_UBRELAXED, SCIP_EVENTTYPE_UBTIGHTENED, SCIP_EVENTTYPE_VARADDED, SCIP_EVENTTYPE_VARDELETED, SCIP_EVENTTYPE_VARFIXED, SCIP_EVENTTYPE_VARUNLOCKED, SCIPABORT, SCIPerrorMessage, SCIP_EventVarAdded::var, SCIP_EventVarDeleted::var, SCIP_EventVarFixed::var, SCIP_EventVarUnlocked::var, SCIP_EventObjChg::var, SCIP_EventBdChg::var, SCIP_EventHole::var, and SCIP_EventImplAdd::var.

Referenced by SCIP_DECL_EVENTEXEC().

SCIP_RETCODE SCIPeventChgVar	(	SCIP_EVENT *	event,
		SCIP_VAR *	var
	)

sets variable for a variable event

Parameters

event	event
var	new variable

Definition at line 996 of file event.c.

References SCIP_Event::data, SCIP_Event::eventbdchg, SCIP_Event::eventhole, SCIP_Event::eventimpladd, SCIP_Event::eventobjchg, SCIP_Event::eventtype, SCIP_Event::eventvaradded, SCIP_Event::eventvardeleted, SCIP_Event::eventvarfixed, SCIP_Event::eventvarunlocked, NULL, SCIP_EVENTTYPE_GHOLEADDED, SCIP_EVENTTYPE_GHOLEREMOVED, SCIP_EVENTTYPE_GLBCHANGED, SCIP_EVENTTYPE_GUBCHANGED, SCIP_EVENTTYPE_IMPLADDED, SCIP_EVENTTYPE_LBRELAXED, SCIP_EVENTTYPE_LBTIGHTENED, SCIP_EVENTTYPE_LHOLEADDED, SCIP_EVENTTYPE_LHOLEREMOVED, SCIP_EVENTTYPE_OBJCHANGED, SCIP_EVENTTYPE_UBRELAXED, SCIP_EVENTTYPE_UBTIGHTENED, SCIP_EVENTTYPE_VARADDED, SCIP_EVENTTYPE_VARDELETED, SCIP_EVENTTYPE_VARFIXED, SCIP_EVENTTYPE_VARUNLOCKED, SCIP_INVALIDDATA, SCIP_OKAY, SCIPerrorMessage, SCIP_EventVarAdded::var, SCIP_EventVarDeleted::var, SCIP_EventVarFixed::var, SCIP_EventVarUnlocked::var, SCIP_EventObjChg::var, SCIP_EventBdChg::var, SCIP_EventHole::var, and SCIP_EventImplAdd::var.

SCIP_Real SCIPeventGetOldobj

(

SCIP_EVENT *

event

)

gets old objective value for an objective value change event

Parameters

event

event

Definition at line 1062 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_OBJCHANGED, SCIP_INVALID, SCIPABORT, and SCIPerrorMessage.

Referenced by SCIP_DECL_EVENTEXEC().

SCIP_Real SCIPeventGetNewobj

(

SCIP_EVENT *

event

)

gets new objective value for an objective value change event

Parameters

event

event

Definition at line 1079 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_OBJCHANGED, SCIP_INVALID, SCIPABORT, and SCIPerrorMessage.

Referenced by SCIP_DECL_EVENTEXEC().

SCIP_Real SCIPeventGetOldbound

(

SCIP_EVENT *

event

)

gets old bound for a bound change event

Parameters

event

event

Definition at line 1096 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_GLBCHANGED, SCIP_EVENTTYPE_GUBCHANGED, SCIP_EVENTTYPE_LBRELAXED, SCIP_EVENTTYPE_LBTIGHTENED, SCIP_EVENTTYPE_UBRELAXED, SCIP_EVENTTYPE_UBTIGHTENED, SCIPABORT, and SCIPerrorMessage.

Referenced by SCIP_DECL_EVENTEXEC().

SCIP_Real SCIPeventGetNewbound

(

SCIP_EVENT *

event

)

gets new bound for a bound change event

Parameters

event

event

Definition at line 1120 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_GLBCHANGED, SCIP_EVENTTYPE_GUBCHANGED, SCIP_EVENTTYPE_LBRELAXED, SCIP_EVENTTYPE_LBTIGHTENED, SCIP_EVENTTYPE_UBRELAXED, SCIP_EVENTTYPE_UBTIGHTENED, SCIPABORT, and SCIPerrorMessage.

Referenced by SCIP_DECL_EVENTEXEC().

SCIP_NODE* SCIPeventGetNode

(

SCIP_EVENT *

event

)

gets node for a node or LP event

Parameters

event

event

Definition at line 1144 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_LPEVENT, SCIP_EVENTTYPE_NODEEVENT, SCIPABORT, and SCIPerrorMessage.

SCIP_RETCODE SCIPeventChgNode	(	SCIP_EVENT *	event,
		SCIP_NODE *	node
	)

sets node for a node or LP event

Parameters

event	event
node	new node

Definition at line 1161 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_LPEVENT, SCIP_EVENTTYPE_NODEEVENT, SCIP_INVALIDDATA, SCIP_OKAY, SCIPABORT, and SCIPerrorMessage.

Referenced by priceAndCutLoop(), SCIPsolveCIP(), and solveNodeInitialLP().

SCIP_SOL* SCIPeventGetSol

(

SCIP_EVENT *

event

)

gets solution for a primal solution event

Parameters

event

event

Definition at line 1181 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_SOLEVENT, SCIPABORT, and SCIPerrorMessage.

Referenced by SCIP_DECL_EVENTEXEC().

SCIP_RETCODE SCIPeventChgSol	(	SCIP_EVENT *	event,
		SCIP_SOL *	sol
	)

sets solution for a primal solution event

Parameters

event	event
sol	new primal solution

Definition at line 1198 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_SOLEVENT, SCIP_INVALIDDATA, SCIP_OKAY, SCIPABORT, and SCIPerrorMessage.

Referenced by primalAddSol().

SCIP_Real SCIPeventGetHoleLeft

(

SCIP_EVENT *

event

)

gets the left bound of open interval in the hole

Parameters

event

event

Definition at line 1218 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_HOLECHANGED, SCIP_INVALID, SCIPABORT, and SCIPerrorMessage.

SCIP_Real SCIPeventGetHoleRight

(

SCIP_EVENT *

event

)

gets the right bound of open interval in the hole

Parameters

event

event

Definition at line 1235 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_HOLECHANGED, SCIP_INVALID, SCIPABORT, and SCIPerrorMessage.

SCIP_ROW* SCIPeventGetRow

(

SCIP_EVENT *

event

)

gets row for a row event

Parameters

event

event

Definition at line 1252 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_ROWADDEDLP, SCIP_EVENTTYPE_ROWADDEDSEPA, SCIP_EVENTTYPE_ROWCOEFCHANGED, SCIP_EVENTTYPE_ROWCONSTCHANGED, SCIP_EVENTTYPE_ROWDELETEDLP, SCIP_EVENTTYPE_ROWDELETEDSEPA, SCIP_EVENTTYPE_ROWSIDECHANGED, SCIPABORT, and SCIPerrorMessage.

SCIP_COL* SCIPeventGetRowCol

(

SCIP_EVENT *

event

)

gets column for a row change coefficient event

Parameters

event

event

Definition at line 1282 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_ROWCOEFCHANGED, SCIPABORT, and SCIPerrorMessage.

SCIP_Real SCIPeventGetRowOldCoefVal

(

SCIP_EVENT *

event

)

gets old coefficient value for a row change coefficient event

Parameters

event

event

Definition at line 1299 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_ROWCOEFCHANGED, SCIP_INVALID, SCIPABORT, and SCIPerrorMessage.

SCIP_Real SCIPeventGetRowNewCoefVal

(

SCIP_EVENT *

event

)

gets new coefficient value for a row change coefficient event

Parameters

event

event

Definition at line 1316 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_ROWCOEFCHANGED, SCIP_INVALID, SCIPABORT, and SCIPerrorMessage.

SCIP_Real SCIPeventGetRowOldConstVal

(

SCIP_EVENT *

event

)

gets old constant value for a row change constant event

Parameters

event

event

Definition at line 1333 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_ROWCONSTCHANGED, SCIP_INVALID, SCIPABORT, and SCIPerrorMessage.

SCIP_Real SCIPeventGetRowNewConstVal

(

SCIP_EVENT *

event

)

gets new constant value for a row change constant event

Parameters

event

event

Definition at line 1350 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_ROWCONSTCHANGED, SCIP_INVALID, SCIPABORT, and SCIPerrorMessage.

SCIP_SIDETYPE SCIPeventGetRowSide

(

SCIP_EVENT *

event

)

gets side for a row change side event

Parameters

event

event

Definition at line 1367 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_ROWSIDECHANGED, SCIP_SIDETYPE_LEFT, SCIPABORT, and SCIPerrorMessage.

SCIP_Real SCIPeventGetRowOldSideVal

(

SCIP_EVENT *

event

)

gets old side value for a row change side event

Parameters

event

event

Definition at line 1384 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_ROWSIDECHANGED, SCIP_INVALID, SCIPABORT, and SCIPerrorMessage.

SCIP_Real SCIPeventGetRowNewSideVal

(

SCIP_EVENT *

event

)

gets new side value for a row change side event

Parameters

event

event

Definition at line 1401 of file event.c.

References SCIP_Event::eventtype, NULL, SCIP_EVENTTYPE_ROWSIDECHANGED, SCIP_INVALID, SCIPABORT, and SCIPerrorMessage.

SCIP_RETCODE SCIPeventProcess	(	SCIP_EVENT *	event,
		SCIP_SET *	set,
		SCIP_PRIMAL *	primal,
		SCIP_LP *	lp,
		SCIP_BRANCHCAND *	branchcand,
		SCIP_EVENTFILTER *	eventfilter
	)

processes event by calling the appropriate event handlers

Parameters

event	event
set	global SCIP settings
primal	primal data; only needed for objchanged events, or NULL
lp	current LP data; only needed for obj/boundchanged events, or NULL
branchcand	branching candidate storage; only needed for bound change events, or NULL
eventfilter	event filter for global events; not needed for variable specific events

Definition at line 1418 of file event.c.

References SCIP_Event::data, SCIP_Var::data, SCIP_Event::eventbdchg, SCIP_Var::eventfilter, SCIP_Event::eventobjchg, SCIP_Var::eventqueueimpl, SCIP_Var::eventqueueindexlb, SCIP_Var::eventqueueindexobj, SCIP_Var::eventqueueindexub, SCIP_Event::eventtype, SCIP_EventBdChg::newbound, SCIP_EventObjChg::newobj, NULL, SCIP_EventBdChg::oldbound, SCIP_EventObjChg::oldobj, SCIP_CALL, SCIP_EVENTTYPE_BESTSOLFOUND, SCIP_EVENTTYPE_BOUNDCHANGED, SCIP_EVENTTYPE_DISABLED, SCIP_EVENTTYPE_FIRSTLPSOLVED, SCIP_EVENTTYPE_GHOLEADDED, SCIP_EVENTTYPE_GHOLEREMOVED, SCIP_EVENTTYPE_GLBCHANGED, SCIP_EVENTTYPE_GUBCHANGED, SCIP_EVENTTYPE_IMPLADDED, SCIP_EVENTTYPE_LBRELAXED, SCIP_EVENTTYPE_LBTIGHTENED, SCIP_EVENTTYPE_LHOLEADDED, SCIP_EVENTTYPE_LHOLEREMOVED, SCIP_EVENTTYPE_LPSOLVED, SCIP_EVENTTYPE_NODEBRANCHED, SCIP_EVENTTYPE_NODEFEASIBLE, SCIP_EVENTTYPE_NODEFOCUSED, SCIP_EVENTTYPE_NODEINFEASIBLE, SCIP_EVENTTYPE_OBJCHANGED, SCIP_EVENTTYPE_POORSOLFOUND, SCIP_EVENTTYPE_PRESOLVEROUND, SCIP_EVENTTYPE_ROWADDEDLP, SCIP_EVENTTYPE_ROWADDEDSEPA, SCIP_EVENTTYPE_ROWCOEFCHANGED, SCIP_EVENTTYPE_ROWCONSTCHANGED, SCIP_EVENTTYPE_ROWDELETEDLP, SCIP_EVENTTYPE_ROWDELETEDSEPA, SCIP_EVENTTYPE_ROWSIDECHANGED, SCIP_EVENTTYPE_UBRELAXED, SCIP_EVENTTYPE_UBTIGHTENED, SCIP_EVENTTYPE_VARADDED, SCIP_EVENTTYPE_VARDELETED, SCIP_EVENTTYPE_VARFIXED, SCIP_EVENTTYPE_VARUNLOCKED, SCIP_INVALIDDATA, SCIP_OKAY, SCIP_VARSTATUS_COLUMN, SCIP_VARSTATUS_LOOSE, SCIPbranchcandUpdateVar(), SCIPcolChgLb(), SCIPcolChgObj(), SCIPcolChgUb(), SCIPdebugMessage, SCIPerrorMessage, SCIPeventfilterProcess(), SCIPlpUpdateVarLb(), SCIPlpUpdateVarLbGlobal(), SCIPlpUpdateVarObj(), SCIPlpUpdateVarUb(), SCIPlpUpdateVarUbGlobal(), SCIPprimalUpdateVarObj(), SCIPvarGetCol(), SCIPvarGetProbindex(), and SCIPvarGetStatus().

Referenced by presolveRound(), priceAndCutLoop(), primalAddSol(), SCIPeventqueueAdd(), SCIPeventqueueProcess(), SCIPsolveCIP(), and solveNodeInitialLP().

static SCIP_RETCODE eventfilterEnsureMem ( SCIP_EVENTFILTER *  eventfilter, BMS_BLKMEM *  blkmem, SCIP_SET *  set, int  num  )

static

resizes eventfilter arrays to be able to store at least num entries

Parameters

eventfilter	event filter
blkmem	block memory buffer
set	global SCIP settings
num	minimal number of node slots in array

Definition at line 1622 of file event.c.

References BMSreallocBlockMemoryArray, SCIP_EventFilter::eventdata, SCIP_EventFilter::eventhdlrs, SCIP_EventFilter::eventtypes, SCIP_EventFilter::nextpos, NULL, SCIP_ALLOC, SCIP_OKAY, SCIPsetCalcMemGrowSize(), and SCIP_EventFilter::size.

Referenced by SCIPeventfilterAdd().

SCIP_RETCODE SCIPeventfilterCreate	(	SCIP_EVENTFILTER **	eventfilter,
		BMS_BLKMEM *	blkmem
	)

creates an event filter

Parameters

eventfilter	pointer to store the event filter
blkmem	block memory buffer

Definition at line 1650 of file event.c.

References BMSallocBlockMemory, FALSE, NULL, SCIP_ALLOC, SCIP_EVENTTYPE_DISABLED, and SCIP_OKAY.

Referenced by SCIProwCreate(), SCIPtransformProb(), SCIPvarCreateTransformed(), SCIPvarNegate(), and SCIPvarParseTransformed().

SCIP_RETCODE SCIPeventfilterFree	(	SCIP_EVENTFILTER **	eventfilter,
		BMS_BLKMEM *	blkmem,
		SCIP_SET *	set
	)

frees an event filter and the associated event data entries

Parameters

eventfilter	pointer to store the event filter
blkmem	block memory buffer
set	global SCIP settings

Definition at line 1675 of file event.c.

References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, NULL, SCIP_CALL, SCIP_EVENTTYPE_DISABLED, and SCIP_OKAY.

Referenced by freeTransform(), SCIProwFree(), and varFree().

SCIP_RETCODE SCIPeventfilterAdd	(	SCIP_EVENTFILTER *	eventfilter,
		BMS_BLKMEM *	blkmem,
		SCIP_SET *	set,
		SCIP_EVENTTYPE	eventtype,
		SCIP_EVENTHDLR *	eventhdlr,
		SCIP_EVENTDATA *	eventdata,
		int *	filterpos
	)

adds element to event filter

Parameters

eventfilter	event filter
blkmem	block memory buffer
set	global SCIP settings
eventtype	event type to catch
eventhdlr	event handler to call for the event processing
eventdata	event data to pass to the event handler for the event processing
filterpos	pointer to store position of event filter entry, or NULL

Definition at line 1715 of file event.c.

References SCIP_EventFilter::delayedeventmask, SCIP_EventFilter::delayupdates, SCIP_EventFilter::eventdata, eventfilterEnsureMem(), SCIP_EventFilter::eventhdlrs, SCIP_EventFilter::eventmask, SCIP_EventFilter::eventtypes, SCIP_EventFilter::firstfreepos, SCIP_EventFilter::len, SCIP_EventFilter::nextpos, NULL, SCIP_CALL, SCIP_EVENTTYPE_DISABLED, and SCIP_OKAY.

Referenced by SCIPcatchEvent(), SCIPnlpCreate(), SCIProwCatchEvent(), and SCIPvarCatchEvent().

static int eventfilterSearch ( SCIP_EVENTFILTER *const  eventfilter, SCIP_EVENTTYPE const  eventtype, SCIP_EVENTHDLR *const  eventhdlr, SCIP_EVENTDATA *const  eventdata  )

static

linear search for the given entry in event filter

Parameters

eventfilter	event filter
eventtype	event type
eventhdlr	event handler to call for the event processing
eventdata	event data to pass to the event handler for the event processing

Definition at line 1782 of file event.c.

References SCIP_EventFilter::eventdata, SCIP_EventFilter::eventhdlrs, SCIP_EventFilter::eventtypes, SCIP_EventFilter::len, SCIP_EventFilter::nextpos, NULL, and SCIP_EVENTTYPE_DISABLED.

Referenced by SCIPeventfilterDel().

SCIP_RETCODE SCIPeventfilterDel	(	SCIP_EVENTFILTER *	eventfilter,
		BMS_BLKMEM *	blkmem,
		SCIP_SET *	set,
		SCIP_EVENTTYPE	eventtype,
		SCIP_EVENTHDLR *	eventhdlr,
		SCIP_EVENTDATA *	eventdata,
		int	filterpos
	)

deletes element from event filter

Parameters

eventfilter	event filter
blkmem	block memory buffer
set	global SCIP settings
eventtype	event type
eventhdlr	event handler to call for the event processing
eventdata	event data to pass to the event handler for the event processing
filterpos	position of event filter entry, or -1 if unknown

Definition at line 1808 of file event.c.

References SCIP_EventFilter::delayupdates, SCIP_EventFilter::eventdata, eventfilterSearch(), SCIP_EventFilter::eventhdlrs, SCIP_EventFilter::eventtypes, SCIP_EventFilter::firstdeletedpos, SCIP_EventFilter::firstfreepos, SCIP_EventFilter::nextpos, NULL, SCIP_EVENTTYPE_DISABLED, SCIP_INVALIDDATA, SCIP_OKAY, and SCIPerrorMessage.

Referenced by SCIPdropEvent(), SCIPnlpFree(), SCIProwDropEvent(), and SCIPvarDropEvent().

static void eventfilterDelayUpdates ( SCIP_EVENTFILTER *  eventfilter )

static

makes the event filter to delay and buffer all updates until eventfilterProcessUpdates() is called

Parameters

eventfilter

event filter

Definition at line 1863 of file event.c.

References SCIP_EventFilter::delayedeventmask, SCIP_EventFilter::delayupdates, NULL, SCIP_EVENTTYPE_DISABLED, and TRUE.

Referenced by SCIPeventfilterProcess().

static void eventfilterProcessUpdates ( SCIP_EVENTFILTER *  eventfilter )

static

processes all delayed additions and deletions

Parameters

eventfilter

event filter

Definition at line 1876 of file event.c.

References SCIP_EventFilter::delayedeventmask, SCIP_EventFilter::delayupdates, SCIP_EventFilter::eventmask, SCIP_EventFilter::eventtypes, FALSE, SCIP_EventFilter::firstdeletedpos, SCIP_EventFilter::firstfreepos, SCIP_EventFilter::nextpos, NULL, and SCIP_EVENTTYPE_DISABLED.

Referenced by SCIPeventfilterProcess().

SCIP_RETCODE SCIPeventfilterProcess	(	SCIP_EVENTFILTER *	eventfilter,
		SCIP_SET *	set,
		SCIP_EVENT *	event
	)

processes the event with all event handlers with matching filter setting

Parameters

eventfilter	event filter
set	global SCIP settings
event	event to process

Definition at line 1911 of file event.c.

References SCIP_EventFilter::eventdata, eventfilterDelayUpdates(), eventfilterProcessUpdates(), SCIP_EventFilter::eventhdlrs, SCIP_EventFilter::eventmask, SCIP_Event::eventtype, SCIP_EventFilter::eventtypes, FALSE, SCIP_EventFilter::len, NULL, SCIP_Bool, SCIP_CALL, SCIP_OKAY, SCIPdebugMessage, SCIPeventhdlrExec(), and TRUE.

Referenced by SCIPeventProcess().

static SCIP_RETCODE eventqueueEnsureEventsMem ( SCIP_EVENTQUEUE *  eventqueue, SCIP_SET *  set, int  num  )

static

resizes events array to be able to store at least num entries

Parameters

eventqueue	event queue
set	global SCIP settings
num	minimal number of node slots in array

Definition at line 1978 of file event.c.

References BMSreallocMemoryArray, SCIP_EventQueue::events, SCIP_EventQueue::eventssize, NULL, SCIP_ALLOC, SCIP_OKAY, and SCIPsetCalcMemGrowSize().

Referenced by eventqueueAppend().

SCIP_RETCODE SCIPeventqueueCreate

(

SCIP_EVENTQUEUE **

eventqueue

)

creates an event queue

Parameters

eventqueue

pointer to store the event queue

Definition at line 2001 of file event.c.

References BMSallocMemory, FALSE, NULL, SCIP_ALLOC, and SCIP_OKAY.

Referenced by SCIPtransformProb().

SCIP_RETCODE SCIPeventqueueFree

(

SCIP_EVENTQUEUE **

eventqueue

)

frees event queue; there must not be any unprocessed events in the queue!

Parameters

eventqueue

pointer to the event queue

Definition at line 2017 of file event.c.

References BMSfreeMemory, BMSfreeMemoryArrayNull, NULL, and SCIP_OKAY.

Referenced by freeTransform().

static SCIP_RETCODE eventqueueAppend ( SCIP_EVENTQUEUE *  eventqueue, SCIP_SET *  set, SCIP_EVENT **  event  )

static

appends event to the event queue; sets event to NULL afterwards

Parameters

eventqueue	event queue
set	global SCIP settings
event	pointer to event to append to the queue

Definition at line 2033 of file event.c.

References SCIP_EventQueue::delayevents, eventqueueEnsureEventsMem(), SCIP_EventQueue::events, SCIP_Event::eventtype, SCIP_EventQueue::nevents, NULL, SCIP_CALL, SCIP_OKAY, and SCIPdebugMessage.

Referenced by SCIPeventqueueAdd().

SCIP_RETCODE SCIPeventqueueAdd	(	SCIP_EVENTQUEUE *	eventqueue,
		BMS_BLKMEM *	blkmem,
		SCIP_SET *	set,
		SCIP_PRIMAL *	primal,
		SCIP_LP *	lp,
		SCIP_BRANCHCAND *	branchcand,
		SCIP_EVENTFILTER *	eventfilter,
		SCIP_EVENT **	event
	)

processes event or adds event to the event queue

Parameters

eventqueue	event queue
blkmem	block memory buffer
set	global SCIP settings
primal	primal data; only needed for objchanged events, or NULL
lp	current LP data; only needed for obj/boundchanged events, or NULL
branchcand	branching candidate storage; only needed for bound change events, or NULL
eventfilter	event filter for global events; not needed for variable specific events
event	pointer to event to add to the queue; will be NULL after queue addition

Definition at line 2057 of file event.c.

References SCIP_Event::data, SCIP_Var::data, SCIP_EventQueue::delayevents, SCIP_Event::eventbdchg, eventDisable(), SCIP_Event::eventobjchg, eventqueueAppend(), SCIP_Var::eventqueueimpl, SCIP_Var::eventqueueindexlb, SCIP_Var::eventqueueindexobj, SCIP_Var::eventqueueindexub, SCIP_EventQueue::events, SCIP_Event::eventtype, SCIP_EventQueue::nevents, SCIP_EventBdChg::newbound, SCIP_EventObjChg::newobj, NULL, SCIP_EventBdChg::oldbound, SCIP_EventObjChg::oldobj, SCIP_CALL, SCIP_EVENTTYPE_BESTSOLFOUND, SCIP_EVENTTYPE_BOUNDCHANGED, SCIP_EVENTTYPE_DISABLED, SCIP_EVENTTYPE_FIRSTLPSOLVED, SCIP_EVENTTYPE_GHOLEADDED, SCIP_EVENTTYPE_GHOLEREMOVED, SCIP_EVENTTYPE_GLBCHANGED, SCIP_EVENTTYPE_GUBCHANGED, SCIP_EVENTTYPE_IMPLADDED, SCIP_EVENTTYPE_LBRELAXED, SCIP_EVENTTYPE_LBTIGHTENED, SCIP_EVENTTYPE_LHOLEADDED, SCIP_EVENTTYPE_LHOLEREMOVED, SCIP_EVENTTYPE_LPSOLVED, SCIP_EVENTTYPE_NODEBRANCHED, SCIP_EVENTTYPE_NODEFEASIBLE, SCIP_EVENTTYPE_NODEFOCUSED, SCIP_EVENTTYPE_NODEINFEASIBLE, SCIP_EVENTTYPE_OBJCHANGED, SCIP_EVENTTYPE_POORSOLFOUND, SCIP_EVENTTYPE_PRESOLVEROUND, SCIP_EVENTTYPE_ROWADDEDLP, SCIP_EVENTTYPE_ROWADDEDSEPA, SCIP_EVENTTYPE_ROWCOEFCHANGED, SCIP_EVENTTYPE_ROWCONSTCHANGED, SCIP_EVENTTYPE_ROWDELETEDLP, SCIP_EVENTTYPE_ROWDELETEDSEPA, SCIP_EVENTTYPE_ROWSIDECHANGED, SCIP_EVENTTYPE_UBRELAXED, SCIP_EVENTTYPE_UBTIGHTENED, SCIP_EVENTTYPE_VARADDED, SCIP_EVENTTYPE_VARDELETED, SCIP_EVENTTYPE_VARFIXED, SCIP_EVENTTYPE_VARUNLOCKED, SCIP_INVALIDDATA, SCIP_OKAY, SCIPdebugMessage, SCIPerrorMessage, SCIPeventFree(), SCIPeventProcess(), SCIPsetIsEQ(), SCIPvarGetName(), TRUE, SCIP_EventObjChg::var, and SCIP_EventBdChg::var.

Referenced by lpDelRowset(), rowEventCoefChanged(), rowEventConstantChanged(), rowEventSideChanged(), SCIPcliquetableCleanup(), SCIPlpAddRow(), SCIPlpShrinkRows(), SCIPprobAddVar(), SCIPprobDelVar(), SCIPsepastoreClearCuts(), sepastoreAddCut(), sepastoreDelCut(), varEventGholeAdded(), varEventGlbChanged(), varEventGubChanged(), varEventImplAdded(), varEventLbChanged(), varEventObjChanged(), varEventUbChanged(), varEventVarFixed(), and varEventVarUnlocked().

SCIP_RETCODE SCIPeventqueueDelay

(

SCIP_EVENTQUEUE *

eventqueue

)

marks queue to delay incoming events until a call to SCIPeventqueueProcess()

Parameters

eventqueue

event queue

Definition at line 2292 of file event.c.

References SCIP_EventQueue::delayevents, NULL, SCIP_OKAY, SCIPdebugMessage, and TRUE.

Referenced by nodeRepropagate(), SCIPcliquetableCleanup(), and treeSwitchPath().

SCIP_RETCODE SCIPeventqueueProcess	(	SCIP_EVENTQUEUE *	eventqueue,
		BMS_BLKMEM *	blkmem,
		SCIP_SET *	set,
		SCIP_PRIMAL *	primal,
		SCIP_LP *	lp,
		SCIP_BRANCHCAND *	branchcand,
		SCIP_EVENTFILTER *	eventfilter
	)

processes all delayed events, marks queue to process events immediately

Parameters

eventqueue	event queue
blkmem	block memory buffer
set	global SCIP settings
primal	primal data
lp	current LP data
branchcand	branching candidate storage
eventfilter	event filter for global (not variable dependent) events

Definition at line 2307 of file event.c.

References SCIP_Event::data, SCIP_EventQueue::delayevents, SCIP_Event::eventbdchg, SCIP_Event::eventimpladd, SCIP_Event::eventobjchg, SCIP_Var::eventqueueimpl, SCIP_Var::eventqueueindexlb, SCIP_Var::eventqueueindexobj, SCIP_Var::eventqueueindexub, SCIP_EventQueue::events, SCIP_Event::eventtype, FALSE, SCIP_EventQueue::nevents, NULL, SCIP_CALL, SCIP_EVENTTYPE_IMPLADDED, SCIP_EVENTTYPE_LBCHANGED, SCIP_EVENTTYPE_OBJCHANGED, SCIP_EVENTTYPE_UBCHANGED, SCIP_OKAY, SCIPdebugMessage, SCIPeventFree(), SCIPeventProcess(), SCIP_EventObjChg::var, SCIP_EventBdChg::var, and SCIP_EventImplAdd::var.

Referenced by nodeRepropagate(), SCIPcliquetableCleanup(), and treeSwitchPath().

SCIP_Bool SCIPeventqueueIsDelayed

(

SCIP_EVENTQUEUE *

eventqueue

)

returns TRUE iff events of the queue are delayed until the next SCIPeventqueueProcess() call

Parameters

eventqueue

event queue

Definition at line 2379 of file event.c.

References SCIP_EventQueue::delayevents, and NULL.

Referenced by nodeRepropagate(), SCIPvarAggregate(), SCIPvarFix(), and SCIPvarMultiaggregate().