nlhdlr.c File Reference

Detailed Description

functions for nonlinearity handlers of nonlinear constraint handler

Author

Ksenia Bestuzheva

Benjamin Mueller

Felipe Serrano

Stefan Vigerske

Definition in file nlhdlr.c.

#include <assert.h>
#include <string.h>
#include "scip/pub_nlhdlr.h"
#include "scip/nlhdlr.h"
#include "scip/struct_nlhdlr.h"
#include "scip/scip_datatree.h"
#include "scip/scip_timing.h"
#include "scip/scip_mem.h"
#include "scip/scip_param.h"
#include "scip/scip_message.h"
#include "scip/pub_message.h"
#include "scip/pub_misc.h"

Go to the source code of this file.

Functions
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)
SCIP_RETCODE	SCIPnlhdlrCreate (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)
SCIP_RETCODE	SCIPnlhdlrFree (SCIP *scip, SCIP_NLHDLR **nlhdlr)
	SCIP_DECL_NLHDLRCOPYHDLR (SCIPnlhdlrCopyhdlr)
	SCIP_DECL_NLHDLRFREEEXPRDATA (SCIPnlhdlrFreeexprdata)
	SCIP_DECL_NLHDLRINIT (SCIPnlhdlrInit)
	SCIP_DECL_NLHDLREXIT (SCIPnlhdlrExit)
	SCIP_DECL_NLHDLRDETECT (SCIPnlhdlrDetect)
	SCIP_DECL_NLHDLREVALAUX (SCIPnlhdlrEvalaux)
	SCIP_DECL_NLHDLRINTEVAL (SCIPnlhdlrInteval)
	SCIP_DECL_NLHDLRREVERSEPROP (SCIPnlhdlrReverseprop)
	SCIP_DECL_NLHDLRINITSEPA (SCIPnlhdlrInitsepa)
	SCIP_DECL_NLHDLREXITSEPA (SCIPnlhdlrExitsepa)
	SCIP_DECL_NLHDLRENFO (SCIPnlhdlrEnfo)
	SCIP_DECL_NLHDLRESTIMATE (SCIPnlhdlrEstimate)
	SCIP_DECL_NLHDLRSOLLINEARIZE (SCIPnlhdlrSollinearize)
void	SCIPnlhdlrResetNDetectionslast (SCIP_NLHDLR *nlhdlr)
void	SCIPnlhdlrIncrementNCutoffs (SCIP_NLHDLR *nlhdlr)
void	SCIPnlhdlrIncrementNSeparated (SCIP_NLHDLR *nlhdlr)
void	SCIPnlhdlrPrintStatistics (SCIP *scip, SCIP_NLHDLR **nlhdlrs, int nnlhdlrs, FILE *file)
SCIP_RETCODE	SCIPnlhdlrCollectStatistics (SCIP *scip, SCIP_NLHDLR **nlhdlrs, int nnlhdlrs, SCIP_DATATREE *datatree)

Function Documentation

SCIPnlhdlrCreate()

SCIP_RETCODE SCIPnlhdlrCreate	(	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

Parameters

scip	SCIP data structure
nlhdlr	buffer to store pointer to created 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 354 of file nlhdlr.c.

References FALSE, NULL, paramname, SCIP_CALL, SCIP_CALL_FINALLY, SCIP_MAXSTRLEN, SCIP_OKAY, SCIPaddBoolParam(), SCIPallocClearBlockMemory, SCIPcreateClock(), SCIPduplicateMemoryArray, SCIPfreeMemoryArray, SCIPsnprintf(), and TRUE.

Referenced by SCIPincludeNlhdlrNonlinear().

SCIPnlhdlrFree()

SCIP_RETCODE SCIPnlhdlrFree	(	SCIP *	scip,
		SCIP_NLHDLR **	nlhdlr
	)

frees a nonlinear handler

Parameters

scip	SCIP data structure
nlhdlr	pointer to nonlinear handler to be freed

Definition at line 402 of file nlhdlr.c.

References SCIP_Nlhdlr::data, NULL, SCIP_CALL, SCIP_OKAY, SCIPfreeBlockMemory, SCIPfreeClock(), SCIPfreeMemory, and SCIPfreeMemoryNull.

Referenced by SCIP_DECL_CONSFREE().

SCIP_DECL_NLHDLRCOPYHDLR()

SCIP_DECL_NLHDLRCOPYHDLR

(

SCIPnlhdlrCopyhdlr

)

call the handler copy callback of a nonlinear handler

Definition at line 430 of file nlhdlr.c.

References NULL, SCIP_CALL, and SCIP_OKAY.

SCIP_DECL_NLHDLRFREEEXPRDATA()

SCIP_DECL_NLHDLRFREEEXPRDATA

(

SCIPnlhdlrFreeexprdata

)

call the free expression specific data callback of a nonlinear handler

Definition at line 442 of file nlhdlr.c.

References NULL, SCIP_CALL, and SCIP_OKAY.

SCIP_DECL_NLHDLRINIT()

SCIP_DECL_NLHDLRINIT

(

SCIPnlhdlrInit

)

call the initialization callback of a nonlinear handler

Definition at line 458 of file nlhdlr.c.

References SCIP_Nlhdlr::detecttime, SCIP_Nlhdlr::enfotime, SCIP_Nlhdlr::intevaltime, SCIP_Nlhdlr::nbranchscores, SCIP_Nlhdlr::ncutoffs, SCIP_Nlhdlr::ndetections, SCIP_Nlhdlr::ndetectionslast, SCIP_Nlhdlr::ndomreds, SCIP_Nlhdlr::nenfocalls, SCIP_Nlhdlr::nintevalcalls, SCIP_Nlhdlr::npropcalls, SCIP_Nlhdlr::nseparated, NULL, SCIP_Nlhdlr::proptime, SCIP_CALL, SCIP_OKAY, and SCIPresetClock().

SCIP_DECL_NLHDLREXIT()

SCIP_DECL_NLHDLREXIT

(

SCIPnlhdlrExit

)

call the deinitialization callback of a nonlinear handler

Definition at line 486 of file nlhdlr.c.

References NULL, SCIP_CALL, and SCIP_OKAY.

SCIP_DECL_NLHDLRDETECT()

SCIP_DECL_NLHDLRDETECT

(

SCIPnlhdlrDetect

)

call the detect callback of a nonlinear handler

Definition at line 499 of file nlhdlr.c.

References SCIP_Nlhdlr::detecttime, SCIP_Nlhdlr::ndetections, SCIP_Nlhdlr::ndetectionslast, NULL, SCIP_CALL, SCIP_NLHDLR_METHOD_NONE, SCIP_OKAY, SCIPstartClock(), and SCIPstopClock().

SCIP_DECL_NLHDLREVALAUX()

SCIP_DECL_NLHDLREVALAUX

(

SCIPnlhdlrEvalaux

)

call the auxiliary evaluation callback of a nonlinear handler

Definition at line 521 of file nlhdlr.c.

References NULL, SCIP_CALL, and SCIP_OKAY.

SCIP_DECL_NLHDLRINTEVAL()

SCIP_DECL_NLHDLRINTEVAL

(

SCIPnlhdlrInteval

)

call the interval evaluation callback of a nonlinear handler

Definition at line 532 of file nlhdlr.c.

References SCIP_Nlhdlr::intevaltime, SCIP_Nlhdlr::nintevalcalls, NULL, SCIP_CALL, SCIP_OKAY, SCIPstartClock(), and SCIPstopClock().

SCIP_DECL_NLHDLRREVERSEPROP()

SCIP_DECL_NLHDLRREVERSEPROP

(

SCIPnlhdlrReverseprop

)

call the reverse propagation callback of a nonlinear handler

Definition at line 551 of file nlhdlr.c.

References FALSE, SCIP_Nlhdlr::ncutoffs, SCIP_Nlhdlr::ndomreds, SCIP_Nlhdlr::npropcalls, NULL, SCIP_Nlhdlr::proptime, SCIP_CALL, SCIP_OKAY, SCIPstartClock(), and SCIPstopClock().

SCIP_DECL_NLHDLRINITSEPA()

SCIP_DECL_NLHDLRINITSEPA

(

SCIPnlhdlrInitsepa

)

call the separation initialization callback of a nonlinear handler

Definition at line 581 of file nlhdlr.c.

References SCIP_Nlhdlr::enfotime, FALSE, SCIP_Nlhdlr::ncutoffs, SCIP_Nlhdlr::nenfocalls, NULL, SCIP_CALL, SCIP_OKAY, SCIPstartClock(), and SCIPstopClock().

SCIP_DECL_NLHDLREXITSEPA()

SCIP_DECL_NLHDLREXITSEPA

(

SCIPnlhdlrExitsepa

)

call the separation deinitialization callback of a nonlinear handler

Definition at line 606 of file nlhdlr.c.

References SCIP_Nlhdlr::enfotime, NULL, SCIP_CALL, SCIP_OKAY, SCIPstartClock(), and SCIPstopClock().

SCIP_DECL_NLHDLRENFO()

SCIP_DECL_NLHDLRENFO

(

SCIPnlhdlrEnfo

)

call the enforcement callback of a nonlinear handler

Definition at line 623 of file nlhdlr.c.

References SCIP_Nlhdlr::enfotime, SCIP_Nlhdlr::nbranchscores, SCIP_Nlhdlr::ncutoffs, SCIP_Nlhdlr::ndomreds, SCIP_Nlhdlr::nenfocalls, SCIP_Nlhdlr::nseparated, NULL, SCIP_BRANCHED, SCIP_CALL, SCIP_CUTOFF, SCIP_DIDNOTRUN, SCIP_OKAY, SCIP_Real, SCIP_REDUCEDDOM, SCIP_SEPARATED, SCIPstartClock(), and SCIPstopClock().

SCIP_DECL_NLHDLRESTIMATE()

SCIP_DECL_NLHDLRESTIMATE

(

SCIPnlhdlrEstimate

)

call the estimator callback of a nonlinear handler

Definition at line 676 of file nlhdlr.c.

References SCIP_Nlhdlr::enfotime, FALSE, SCIP_Nlhdlr::nenfocalls, NULL, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPstartClock(), and SCIPstopClock().

SCIP_DECL_NLHDLRSOLLINEARIZE()

SCIP_DECL_NLHDLRSOLLINEARIZE

(

SCIPnlhdlrSollinearize

)

call the solution notification callback of a nonlinear handler

Definition at line 712 of file nlhdlr.c.

References NULL, SCIP_CALL, and SCIP_OKAY.

SCIPnlhdlrResetNDetectionslast()

void SCIPnlhdlrResetNDetectionslast

(

SCIP_NLHDLR *

nlhdlr

)

reset number of detections counter for last round

Parameters

nlhdlr

nonlinear handler

Definition at line 726 of file nlhdlr.c.

References SCIP_Nlhdlr::ndetectionslast, and NULL.

SCIPnlhdlrIncrementNCutoffs()

void SCIPnlhdlrIncrementNCutoffs

(

SCIP_NLHDLR *

nlhdlr

)

increments number of cutoffs in statistics

Parameters

nlhdlr

nonlinear handler

Definition at line 735 of file nlhdlr.c.

References SCIP_Nlhdlr::ncutoffs, and NULL.

SCIPnlhdlrIncrementNSeparated()

void SCIPnlhdlrIncrementNSeparated

(

SCIP_NLHDLR *

nlhdlr

)

increments number of separations in statistics

Parameters

nlhdlr

nonlinear handler

Definition at line 744 of file nlhdlr.c.

References SCIP_Nlhdlr::nseparated, and NULL.

SCIPnlhdlrPrintStatistics()

void SCIPnlhdlrPrintStatistics	(	SCIP *	scip,
		SCIP_NLHDLR **	nlhdlrs,
		int	nnlhdlrs,
		FILE *	file
	)

print statistics for nonlinear handlers

Parameters

scip	SCIP data structure
nlhdlrs	nonlinear handlers
nnlhdlrs	number of nonlinear handlers
file	file handle, or NULL for standard out

Definition at line 753 of file nlhdlr.c.

References SCIPgetClockTime(), and SCIPinfoMessage().

Referenced by SCIP_DECL_TABLEOUTPUT().

SCIPnlhdlrCollectStatistics()

SCIP_RETCODE SCIPnlhdlrCollectStatistics	(	SCIP *	scip,
		SCIP_NLHDLR **	nlhdlrs,
		int	nnlhdlrs,
		SCIP_DATATREE *	datatree
	)

collect statistics for nonlinear handlers

Parameters

scip	SCIP data structure
nlhdlrs	nonlinear handlers
nnlhdlrs	number of nonlinear handlers
datatree	datatree where to add statistics

Definition at line 797 of file nlhdlr.c.

References SCIP_CALL, SCIP_OKAY, SCIPcreateDatatreeInTree(), SCIPgetClockTime(), SCIPinsertDatatreeLong(), SCIPinsertDatatreeReal(), and SCIPinsertDatatreeString().

Referenced by SCIP_DECL_TABLECOLLECT().