Detailed Description

methods for the management of nonlinear handlers

Functions
SCIP_RETCODE	SCIPincludeNlhdlrNonlinear (SCIP scip, SCIP_NLHDLR nlhdlr, const char name, const char desc, int detectpriority, int enfopriority, SCIP_DECL_NLHDLRDETECT((detect)), SCIP_DECL_NLHDLREVALAUX((evalaux)), SCIP_NLHDLRDATA nlhdlrdata)

int	SCIPgetNNlhdlrsNonlinear (SCIP_CONSHDLR *conshdlr)

SCIP_NLHDLR **	SCIPgetNlhdlrsNonlinear (SCIP_CONSHDLR *conshdlr)

SCIP_NLHDLR *	SCIPfindNlhdlrNonlinear (SCIP_CONSHDLR conshdlr, const char name)

SCIP_NLHDLREXPRDATA *	SCIPgetNlhdlrExprDataNonlinear (SCIP_NLHDLR nlhdlr, SCIP_EXPR expr)

void	SCIPnlhdlrSetCopyHdlr (SCIP_NLHDLR nlhdlr, SCIP_DECL_NLHDLRCOPYHDLR((copy)))

void	SCIPnlhdlrSetFreeHdlrData (SCIP_NLHDLR nlhdlr, SCIP_DECL_NLHDLRFREEHDLRDATA((freehdlrdata)))

void	SCIPnlhdlrSetFreeExprData (SCIP_NLHDLR nlhdlr, SCIP_DECL_NLHDLRFREEEXPRDATA((freeexprdata)))

void	SCIPnlhdlrSetInitExit (SCIP_NLHDLR nlhdlr, SCIP_DECL_NLHDLRINIT((init)), SCIP_DECL_NLHDLREXIT((*exit_)))

void	SCIPnlhdlrSetProp (SCIP_NLHDLR nlhdlr, SCIP_DECL_NLHDLRINTEVAL((inteval)), SCIP_DECL_NLHDLRREVERSEPROP((*reverseprop)))

void	SCIPnlhdlrSetSepa (SCIP_NLHDLR nlhdlr, SCIP_DECL_NLHDLRINITSEPA((initsepa)), SCIP_DECL_NLHDLRENFO((enfo)), SCIP_DECL_NLHDLRESTIMATE((estimate)), SCIP_DECL_NLHDLREXITSEPA((*exitsepa)))

void	SCIPnlhdlrSetSollinearize (SCIP_NLHDLR nlhdlr, SCIP_DECL_NLHDLRSOLLINEARIZE((sollinearize)))

const char *	SCIPnlhdlrGetName (SCIP_NLHDLR *nlhdlr)

const char *	SCIPnlhdlrGetDesc (SCIP_NLHDLR *nlhdlr)

int	SCIPnlhdlrGetDetectPriority (SCIP_NLHDLR *nlhdlr)

int	SCIPnlhdlrGetEnfoPriority (SCIP_NLHDLR *nlhdlr)

SCIP_Bool	SCIPnlhdlrIsEnabled (SCIP_NLHDLR *nlhdlr)

SCIP_NLHDLRDATA *	SCIPnlhdlrGetData (SCIP_NLHDLR *nlhdlr)

SCIP_Bool	SCIPnlhdlrHasIntEval (SCIP_NLHDLR *nlhdlr)

SCIP_Bool	SCIPnlhdlrHasReverseProp (SCIP_NLHDLR *nlhdlr)

SCIP_Bool	SCIPnlhdlrHasInitSepa (SCIP_NLHDLR *nlhdlr)

SCIP_Bool	SCIPnlhdlrHasExitSepa (SCIP_NLHDLR *nlhdlr)

SCIP_Bool	SCIPnlhdlrHasEnfo (SCIP_NLHDLR *nlhdlr)

SCIP_Bool	SCIPnlhdlrHasEstimate (SCIP_NLHDLR *nlhdlr)

SCIP_Bool	SCIPnlhdlrHasSollinearize (SCIP_NLHDLR *nlhdlr)

	SCIP_DECL_SORTPTRCOMP (SCIPnlhdlrComp)

void	SCIPnlhdlrSetInitExit (SCIP_NLHDLR nlhdlr, SCIP_DECL_NLHDLRINIT((init)), SCIP_DECL_NLHDLREXIT((*exit)))

Function Documentation

◆ SCIPincludeNlhdlrNonlinear()

SCIP_RETCODE SCIPincludeNlhdlrNonlinear	(	SCIP *	scip,
		SCIP_NLHDLR **	nlhdlr,
		const char *	name,
		const char *	desc,
		int	detectpriority,
		int	enfopriority,
		SCIP_DECL_NLHDLRDETECT((*detect))	,
		SCIP_DECL_NLHDLREVALAUX((*evalaux))	,
		SCIP_NLHDLRDATA *	nlhdlrdata
	)

creates a nonlinear handler and includes it into the nonlinear constraint handler

Parameters

scip	SCIP data structure
nlhdlr	buffer where to store nonlinear handler
name	name of nonlinear handler (must not be NULL)
desc	description of nonlinear handler (can be NULL)
detectpriority	detection priority of nonlinear handler
enfopriority	enforcement priority of nonlinear handler
nlhdlrdata	data of nonlinear handler (can be NULL)

Definition at line 15245 of file cons_nonlinear.c.

References CONSHDLR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIP_PLUGINNOTFOUND, SCIP_STAGE_INIT, SCIPconshdlrGetData(), SCIPensureBlockMemoryArray, SCIPerrorMessage, SCIPfindConshdlr(), SCIPgetStage(), SCIPnlhdlrCreate(), and SCIPsortDownPtr().

Referenced by SCIPincludeNlhdlrBilinear(), SCIPincludeNlhdlrConcave(), SCIPincludeNlhdlrConvex(), SCIPincludeNlhdlrDefault(), SCIPincludeNlhdlrPerspective(), SCIPincludeNlhdlrQuadratic(), SCIPincludeNlhdlrQuotient(), SCIPincludeNlhdlrSignomial(), and SCIPincludeNlhdlrSoc().

◆ SCIPgetNNlhdlrsNonlinear()

int SCIPgetNNlhdlrsNonlinear ( SCIP_CONSHDLR * conshdlr )

get number of nonlinear handler

Parameters

conshdlr nonlinear constraint handler

Definition at line 15294 of file cons_nonlinear.c.

References NULL, and SCIPconshdlrGetData().

◆ SCIPgetNlhdlrsNonlinear()

SCIP_NLHDLR ** SCIPgetNlhdlrsNonlinear ( SCIP_CONSHDLR * conshdlr )

get nonlinear handlers

Parameters

conshdlr nonlinear constraint handler

Definition at line 15309 of file cons_nonlinear.c.

References NULL, and SCIPconshdlrGetData().

◆ SCIPfindNlhdlrNonlinear()

SCIP_NLHDLR * SCIPfindNlhdlrNonlinear	(	SCIP_CONSHDLR *	conshdlr,
		const char *	name
	)

returns a nonlinear handler of a given name (or NULL if not found)

Parameters

conshdlr	nonlinear constraint handler
name	name of nonlinear handler

Definition at line 15324 of file cons_nonlinear.c.

References h, NULL, SCIPconshdlrGetData(), and SCIPnlhdlrGetName().

Referenced by applyObbtBilinear(), initBounds(), and SCIP_DECL_TABLEOUTPUT().

◆ SCIPgetNlhdlrExprDataNonlinear()

SCIP_NLHDLREXPRDATA * SCIPgetNlhdlrExprDataNonlinear	(	SCIP_NLHDLR *	nlhdlr,
		SCIP_EXPR *	expr
	)

gives expression data that a given nonlinear handler stored in an expression

Returns NULL if expr has not been detected by nlhdlr or nlhdlr did not store data.

Parameters

nlhdlr	nonlinear handler
expr	expression

Definition at line 15349 of file cons_nonlinear.c.

References NULL, and SCIPexprGetOwnerData().

Referenced by SCIP_DECL_TABLEOUTPUT(), and SCIPaddIneqBilinear().

◆ SCIPnlhdlrSetCopyHdlr()

void SCIPnlhdlrSetCopyHdlr	(	SCIP_NLHDLR *	nlhdlr,
		SCIP_DECL_NLHDLRCOPYHDLR((*copy))
	)

sets the copy handler callback of a nonlinear handler

Parameters

nlhdlr nonlinear handler

Definition at line 76 of file nlhdlr.c.

References NULL.

Referenced by SCIPincludeNlhdlrBilinear(), SCIPincludeNlhdlrConcave(), SCIPincludeNlhdlrConvex(), SCIPincludeNlhdlrDefault(), SCIPincludeNlhdlrPerspective(), SCIPincludeNlhdlrQuadratic(), SCIPincludeNlhdlrQuotient(), SCIPincludeNlhdlrSignomial(), and SCIPincludeNlhdlrSoc().

◆ SCIPnlhdlrSetFreeHdlrData()

void SCIPnlhdlrSetFreeHdlrData	(	SCIP_NLHDLR *	nlhdlr,
		SCIP_DECL_NLHDLRFREEHDLRDATA((*freehdlrdata))
	)

sets the nonlinear handler callback to free the nonlinear handler data

Parameters

nlhdlr nonlinear handler

Definition at line 87 of file nlhdlr.c.

References NULL.

Referenced by SCIPincludeNlhdlrBilinear(), SCIPincludeNlhdlrConcave(), SCIPincludeNlhdlrConvex(), SCIPincludeNlhdlrPerspective(), SCIPincludeNlhdlrQuadratic(), SCIPincludeNlhdlrSignomial(), and SCIPincludeNlhdlrSoc().

◆ SCIPnlhdlrSetFreeExprData()

void SCIPnlhdlrSetFreeExprData	(	SCIP_NLHDLR *	nlhdlr,
		SCIP_DECL_NLHDLRFREEEXPRDATA((*freeexprdata))
	)

sets the nonlinear handler callback to free expression specific data of nonlinear handler

Parameters

nlhdlr nonlinear handler

Definition at line 98 of file nlhdlr.c.

References NULL.

Referenced by SCIPincludeNlhdlrBilinear(), SCIPincludeNlhdlrConcave(), SCIPincludeNlhdlrConvex(), SCIPincludeNlhdlrDefault(), SCIPincludeNlhdlrPerspective(), SCIPincludeNlhdlrQuadratic(), SCIPincludeNlhdlrQuotient(), SCIPincludeNlhdlrSignomial(), and SCIPincludeNlhdlrSoc().

◆ SCIPnlhdlrSetInitExit() [1/2]

void SCIPnlhdlrSetInitExit	(	SCIP_NLHDLR *	nlhdlr,
		SCIP_DECL_NLHDLRINIT((*init))	,
		SCIP_DECL_NLHDLREXIT((*exit_))
	)

sets the initialization and deinitialization callback of a nonlinear handler

Parameters

nlhdlr nonlinear handler

Definition at line 110 of file nlhdlr.c.

References NULL.

Referenced by SCIPincludeNlhdlrBilinear(), SCIPincludeNlhdlrConcave(), SCIPincludeNlhdlrConvex(), and SCIPincludeNlhdlrPerspective().

◆ SCIPnlhdlrSetProp()

void SCIPnlhdlrSetProp	(	SCIP_NLHDLR *	nlhdlr,
		SCIP_DECL_NLHDLRINTEVAL((*inteval))	,
		SCIP_DECL_NLHDLRREVERSEPROP((*reverseprop))
	)

sets the propagation callbacks of a nonlinear handler

Parameters

nlhdlr nonlinear handler

Definition at line 123 of file nlhdlr.c.

References NULL.

Referenced by SCIPincludeNlhdlrBilinear(), SCIPincludeNlhdlrDefault(), SCIPincludeNlhdlrQuadratic(), and SCIPincludeNlhdlrQuotient().

◆ SCIPnlhdlrSetSepa()

void SCIPnlhdlrSetSepa	(	SCIP_NLHDLR *	nlhdlr,
		SCIP_DECL_NLHDLRINITSEPA((*initsepa))	,
		SCIP_DECL_NLHDLRENFO((*enfo))	,
		SCIP_DECL_NLHDLRESTIMATE((*estimate))	,
		SCIP_DECL_NLHDLREXITSEPA((*exitsepa))
	)

sets the enforcement callbacks of a nonlinear handler

Parameters

nlhdlr nonlinear handler

Definition at line 136 of file nlhdlr.c.

References NULL.

Referenced by SCIPincludeNlhdlrBilinear(), SCIPincludeNlhdlrConcave(), SCIPincludeNlhdlrConvex(), SCIPincludeNlhdlrDefault(), SCIPincludeNlhdlrPerspective(), SCIPincludeNlhdlrQuadratic(), SCIPincludeNlhdlrQuotient(), SCIPincludeNlhdlrSignomial(), and SCIPincludeNlhdlrSoc().

◆ SCIPnlhdlrSetSollinearize()

void SCIPnlhdlrSetSollinearize	(	SCIP_NLHDLR *	nlhdlr,
		SCIP_DECL_NLHDLRSOLLINEARIZE((*sollinearize))
	)

sets the solution linearization callback of a nonlinear handler

Parameters

nlhdlr nonlinear handler

Definition at line 154 of file nlhdlr.c.

References NULL.

Referenced by SCIPincludeNlhdlrConvex(), SCIPincludeNlhdlrDefault(), SCIPincludeNlhdlrQuotient(), and SCIPincludeNlhdlrSoc().

◆ SCIPnlhdlrGetName()

const char * SCIPnlhdlrGetName ( SCIP_NLHDLR * nlhdlr )

gives name of nonlinear handler

Parameters

nlhdlr nonlinear handler

Definition at line 166 of file nlhdlr.c.

References SCIP_Nlhdlr::name, and NULL.

Referenced by analyzeViolation(), detectNlhdlr(), enforceExpr(), enforceExprNlhdlr(), forwardPropExpr(), reversePropQueue(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_EXPR_OWNERPRINT(), SCIP_DECL_NLHDLRCOPYHDLR(), SCIP_DECL_NLHDLRDETECT(), SCIP_DECL_NLHDLRENFO(), SCIP_DECL_SORTPTRCOMP(), SCIPaddIneqBilinear(), SCIPfindNlhdlrNonlinear(), SCIPgetExprsBilinear(), SCIPgetNExprsBilinear(), and SCIPprocessRowprepNonlinear().

◆ SCIPnlhdlrGetDesc()

const char * SCIPnlhdlrGetDesc ( SCIP_NLHDLR * nlhdlr )

gives description of nonlinear handler, can be NULL

Parameters

nlhdlr nonlinear handler

Definition at line 176 of file nlhdlr.c.

References SCIP_Nlhdlr::desc, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC().

◆ SCIPnlhdlrGetDetectPriority()

int SCIPnlhdlrGetDetectPriority ( SCIP_NLHDLR * nlhdlr )

gives detection priority of nonlinear handler

Parameters

nlhdlr nonlinear handler

Definition at line 186 of file nlhdlr.c.

References SCIP_Nlhdlr::detectpriority, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC(), and SCIP_DECL_SORTPTRCOMP().

◆ SCIPnlhdlrGetEnfoPriority()

int SCIPnlhdlrGetEnfoPriority ( SCIP_NLHDLR * nlhdlr )

gives enforcement priority of nonlinear handler

Parameters

nlhdlr nonlinear handler

Definition at line 196 of file nlhdlr.c.

References SCIP_Nlhdlr::enfopriority, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC(), and SCIP_DECL_SORTPTRCOMP().

◆ SCIPnlhdlrIsEnabled()

SCIP_Bool SCIPnlhdlrIsEnabled ( SCIP_NLHDLR * nlhdlr )

returns whether nonlinear handler is enabled

Parameters

nlhdlr nonlinear handler

Definition at line 206 of file nlhdlr.c.

References SCIP_Nlhdlr::enabled, and NULL.

Referenced by detectNlhdlr(), and SCIP_DECL_DIALOGEXEC().

◆ SCIPnlhdlrGetData()

SCIP_NLHDLRDATA * SCIPnlhdlrGetData ( SCIP_NLHDLR * nlhdlr )

gives handler data of nonlinear handler

Parameters

nlhdlr nonlinear handler

Definition at line 216 of file nlhdlr.c.

References SCIP_Nlhdlr::data, and NULL.

Referenced by estimateConvexSecant(), estimateGradient(), estimateVertexPolyhedral(), SCIP_DECL_NLHDLRDETECT(), SCIP_DECL_NLHDLRENFO(), SCIP_DECL_NLHDLRESTIMATE(), SCIP_DECL_NLHDLREXIT(), SCIP_DECL_NLHDLRFREEEXPRDATA(), SCIP_DECL_NLHDLRINITSEPA(), SCIP_DECL_NLHDLRINTEVAL(), SCIP_DECL_NLHDLRREVERSEPROP(), SCIP_DECL_NLHDLRSOLLINEARIZE(), SCIP_DECL_TABLEOUTPUT(), SCIPgetExprsBilinear(), and SCIPgetNExprsBilinear().

◆ SCIPnlhdlrHasIntEval()

SCIP_Bool SCIPnlhdlrHasIntEval ( SCIP_NLHDLR * nlhdlr )

returns whether nonlinear handler implements the interval evaluation callback

Parameters

nlhdlr nonlinear handler

Definition at line 226 of file nlhdlr.c.

References NULL.

Referenced by forwardPropExpr().

◆ SCIPnlhdlrHasReverseProp()

SCIP_Bool SCIPnlhdlrHasReverseProp ( SCIP_NLHDLR * nlhdlr )

returns whether nonlinear handler implements the reverse propagation callback

Parameters

nlhdlr nonlinear handler

Definition at line 236 of file nlhdlr.c.

References NULL.

◆ SCIPnlhdlrHasInitSepa()

SCIP_Bool SCIPnlhdlrHasInitSepa ( SCIP_NLHDLR * nlhdlr )

returns whether nonlinear handler implements the separation initialization callback

Parameters

nlhdlr nonlinear handler

Definition at line 246 of file nlhdlr.c.

References NULL.

Referenced by initSepa().

◆ SCIPnlhdlrHasExitSepa()

SCIP_Bool SCIPnlhdlrHasExitSepa ( SCIP_NLHDLR * nlhdlr )

returns whether nonlinear handler implements the separation deinitialization callback

Parameters

nlhdlr nonlinear handler

Definition at line 256 of file nlhdlr.c.

References NULL.

◆ SCIPnlhdlrHasEnfo()

SCIP_Bool SCIPnlhdlrHasEnfo ( SCIP_NLHDLR * nlhdlr )

returns whether nonlinear handler implements the enforcement callback

Parameters

nlhdlr nonlinear handler

Definition at line 266 of file nlhdlr.c.

References NULL.

◆ SCIPnlhdlrHasEstimate()

SCIP_Bool SCIPnlhdlrHasEstimate ( SCIP_NLHDLR * nlhdlr )

returns whether nonlinear handler implements the estimator callback

Parameters

nlhdlr nonlinear handler

Definition at line 276 of file nlhdlr.c.

References NULL.

Referenced by enforceExprNlhdlr(), SCIP_DECL_NLHDLRDETECT(), SCIP_DECL_NLHDLRENFO(), and SCIP_DECL_NLHDLREVALAUX().

◆ SCIPnlhdlrHasSollinearize()

SCIP_Bool SCIPnlhdlrHasSollinearize ( SCIP_NLHDLR * nlhdlr )

returns whether nonlinear handler implements the solution linearization callback

Parameters

nlhdlr nonlinear handler

Definition at line 286 of file nlhdlr.c.

References NULL.

◆ SCIP_DECL_SORTPTRCOMP()

SCIP_DECL_SORTPTRCOMP ( SCIPnlhdlrComp )

compares two nonlinear handlers by detection priority

if handlers have same detection priority, then compare by name

Definition at line 299 of file nlhdlr.c.

References SCIP_Nlhdlr::detectpriority, SCIP_Nlhdlr::name, and NULL.

◆ SCIPnlhdlrSetInitExit() [2/2]

void SCIPnlhdlrSetInitExit	(	SCIP_NLHDLR *	nlhdlr,
		SCIP_DECL_NLHDLRINIT((*init))	,
		SCIP_DECL_NLHDLREXIT((*exit))
	)

sets the initialization and deinitialization callback of a nonlinear handler

Parameters

nlhdlr nonlinear handler

SCIP

Detailed Description

Functions

Function Documentation

◆ SCIPincludeNlhdlrNonlinear()

◆ SCIPgetNNlhdlrsNonlinear()

◆ SCIPgetNlhdlrsNonlinear()

◆ SCIPfindNlhdlrNonlinear()

◆ SCIPgetNlhdlrExprDataNonlinear()

◆ SCIPnlhdlrSetCopyHdlr()

◆ SCIPnlhdlrSetFreeHdlrData()

◆ SCIPnlhdlrSetFreeExprData()

◆ SCIPnlhdlrSetInitExit() [1/2]

◆ SCIPnlhdlrSetProp()

◆ SCIPnlhdlrSetSepa()

◆ SCIPnlhdlrSetSollinearize()

◆ SCIPnlhdlrGetName()

◆ SCIPnlhdlrGetDesc()

◆ SCIPnlhdlrGetDetectPriority()

◆ SCIPnlhdlrGetEnfoPriority()

◆ SCIPnlhdlrIsEnabled()

◆ SCIPnlhdlrGetData()

◆ SCIPnlhdlrHasIntEval()

◆ SCIPnlhdlrHasReverseProp()

◆ SCIPnlhdlrHasInitSepa()

◆ SCIPnlhdlrHasExitSepa()

◆ SCIPnlhdlrHasEnfo()

◆ SCIPnlhdlrHasEstimate()

◆ SCIPnlhdlrHasSollinearize()

◆ SCIP_DECL_SORTPTRCOMP()

◆ SCIPnlhdlrSetInitExit() [2/2]