Detailed Description

Worhp NLP interface.

Author: Benjamin Mueller; Renke Kuhlmann

Definition in file nlpi_worhp.c.

#include "scip/nlpi_worhp.h"
#include "scip/nlpioracle.h"
#include "scip/exprinterpret.h"
#include "scip/interrupt.h"
#include "scip/scip_nlpi.h"
#include "scip/scip_general.h"
#include "scip/scip_message.h"
#include "scip/scip_mem.h"
#include "scip/scip_numerics.h"
#include "scip/scip_randnumgen.h"
#include "scip/scip_solve.h"
#include "scip/pub_misc.h"
#include "scip/pub_message.h"
#include <stdio.h>
#include <stdlib.h>
#include "worhp/worhp.h"

Go to the source code of this file.

Data Structures
struct	SCIP_NlpiProblem

Macros
#define	NLPI_DESC "Worhp interface"

#define	NLPI_PRIORITY_IP 0

#define	NLPI_PRIORITY_SQP -2000

#define	DEFAULT_VERBLEVEL 0

#define	DEFAULT_SCALEDKKT TRUE

#define	DEFAULT_RANDSEED 107

#define	MAXPERTURB 0.01

Functions
static void	invalidateSolution (SCIP scip, SCIP_NLPIPROBLEM problem)

static SCIP_RETCODE	evaluateWorhpRun (SCIP scip, SCIP_NLPIPROBLEM problem)

static SCIP_RETCODE	userF (SCIP scip, SCIP_NLPIPROBLEM problem)

static SCIP_RETCODE	userG (SCIP scip, SCIP_NLPIPROBLEM problem)

static SCIP_RETCODE	userDF (SCIP scip, SCIP_NLPIPROBLEM problem)

static SCIP_RETCODE	userDG (SCIP scip, SCIP_NLPIPROBLEM problem)

static SCIP_RETCODE	userHM (SCIP scip, SCIP_NLPIPROBLEM problem)

static void	noprint (int mode, const char s[])

static SCIP_RETCODE	initWorhp (SCIP scip, SCIP_NLPI nlpi, SCIP_NLPIPROBLEM *problem)

static SCIP_RETCODE	updateWorhp (SCIP_NLPIPROBLEM *problem)

static SCIP_RETCODE	freeWorhp (SCIP_NLPIPROBLEM *problem)

static SCIP_RETCODE	handleNlpParam (SCIP scip, SCIP_NLPI nlpi, Params *par, const SCIP_NLPPARAM nlpparam)

static	SCIP_DECL_NLPICOPY (nlpiCopyWorhp)

static	SCIP_DECL_NLPIFREE (nlpiFreeWorhp)

static	SCIP_DECL_NLPICREATEPROBLEM (nlpiCreateProblemWorhp)

static	SCIP_DECL_NLPIFREEPROBLEM (nlpiFreeProblemWorhp)

static	SCIP_DECL_NLPIADDVARS (nlpiAddVarsWorhp)

static	SCIP_DECL_NLPIADDCONSTRAINTS (nlpiAddConstraintsWorhp)

static	SCIP_DECL_NLPISETOBJECTIVE (nlpiSetObjectiveWorhp)

static	SCIP_DECL_NLPICHGVARBOUNDS (nlpiChgVarBoundsWorhp)

static	SCIP_DECL_NLPICHGCONSSIDES (nlpiChgConsSidesWorhp)

static	SCIP_DECL_NLPIDELVARSET (nlpiDelVarSetWorhp)

static	SCIP_DECL_NLPIDELCONSSET (nlpiDelConstraintSetWorhp)

static	SCIP_DECL_NLPICHGLINEARCOEFS (nlpiChgLinearCoefsWorhp)

static	SCIP_DECL_NLPICHGEXPR (nlpiChgExprWorhp)

static	SCIP_DECL_NLPICHGOBJCONSTANT (nlpiChgObjConstantWorhp)

static	SCIP_DECL_NLPISETINITIALGUESS (nlpiSetInitialGuessWorhp)

static	SCIP_DECL_NLPISOLVE (nlpiSolveWorhp)

static	SCIP_DECL_NLPIGETSOLSTAT (nlpiGetSolstatWorhp)

static	SCIP_DECL_NLPIGETTERMSTAT (nlpiGetTermstatWorhp)

static	SCIP_DECL_NLPIGETSOLUTION (nlpiGetSolutionWorhp)

static	SCIP_DECL_NLPIGETSTATISTICS (nlpiGetStatisticsWorhp)

SCIP_RETCODE	SCIPincludeNlpSolverWorhp (SCIP *scip, SCIP_Bool useip)

const char *	SCIPgetSolverNameWorhp (void)

const char *	SCIPgetSolverDescWorhp (void)

SCIP_Bool	SCIPisWorhpAvailableWorhp (void)

Macro Definition Documentation

◆ NLPI_DESC

#define NLPI_DESC "Worhp interface"

description of solver

Definition at line 60 of file nlpi_worhp.c.

◆ NLPI_PRIORITY_IP

#define NLPI_PRIORITY_IP 0

priority of NLP solver (Interior Point)

Definition at line 61 of file nlpi_worhp.c.

◆ NLPI_PRIORITY_SQP

#define NLPI_PRIORITY_SQP -2000

priority of NLP solver (SQP)

Definition at line 62 of file nlpi_worhp.c.

◆ DEFAULT_VERBLEVEL

#define DEFAULT_VERBLEVEL 0

default verbosity level (0: normal 1: full 2: debug >2: more debug)

Definition at line 64 of file nlpi_worhp.c.

◆ DEFAULT_SCALEDKKT

#define DEFAULT_SCALEDKKT TRUE

default whether KKT conditions are allowed to be scaled in the solver

Definition at line 65 of file nlpi_worhp.c.

◆ DEFAULT_RANDSEED

#define DEFAULT_RANDSEED 107

initial random seed

Definition at line 66 of file nlpi_worhp.c.

◆ MAXPERTURB

#define MAXPERTURB 0.01

maximal perturbation of bounds in starting point heuristic

Definition at line 68 of file nlpi_worhp.c.

Function Documentation

◆ invalidateSolution()

static void invalidateSolution	(	SCIP *	scip,
		SCIP_NLPIPROBLEM *	problem
	)

static

clears the last solution information

Parameters

scip	SCIP data structure
problem	pointer to problem data structure

Definition at line 114 of file nlpi_worhp.c.

References SCIP_NlpiProblem::lastdualcons, SCIP_NlpiProblem::lastdualconssize, SCIP_NlpiProblem::lastduallb, SCIP_NlpiProblem::lastduallbsize, SCIP_NlpiProblem::lastdualub, SCIP_NlpiProblem::lastdualubsize, SCIP_NlpiProblem::lastprimal, SCIP_NlpiProblem::lastprimalsize, SCIP_NlpiProblem::lastsolstat, SCIP_NlpiProblem::lasttermstat, NULL, SCIP_NLPSOLSTAT_UNKNOWN, SCIP_NLPTERMSTAT_OTHER, and SCIPfreeBlockMemoryArrayNull.

Referenced by evaluateWorhpRun(), SCIP_DECL_NLPIADDCONSTRAINTS(), SCIP_DECL_NLPIADDVARS(), SCIP_DECL_NLPICHGCONSSIDES(), SCIP_DECL_NLPICHGEXPR(), SCIP_DECL_NLPICHGLINEARCOEFS(), SCIP_DECL_NLPICHGVARBOUNDS(), SCIP_DECL_NLPIDELCONSSET(), SCIP_DECL_NLPIDELVARSET(), SCIP_DECL_NLPIFREEPROBLEM(), and SCIP_DECL_NLPISETOBJECTIVE().

◆ evaluateWorhpRun()

static SCIP_RETCODE evaluateWorhpRun	(	SCIP *	scip,
		SCIP_NLPIPROBLEM *	problem
	)

static

evaluate last Worhp run

Parameters

scip	SCIP data structure
problem	pointer to problem data structure

Definition at line 136 of file nlpi_worhp.c.

Referenced by SCIP_DECL_NLPISOLVE().

◆ userF()

static SCIP_RETCODE userF	(	SCIP *	scip,
		SCIP_NLPIPROBLEM *	problem
	)

static

evaluates objective function and store the result in the corresponding Worhp data fields

Parameters

scip	SCIP data structure
problem	pointer to problem data structure

Definition at line 424 of file nlpi_worhp.c.

References NULL, SCIP_NlpiProblem::opt, SCIP_NlpiProblem::oracle, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPnlpiOracleEvalObjectiveValue(), SCIPnlpiOracleGetNConstraints(), SCIPnlpiOracleGetNVars(), and SCIP_NlpiProblem::wsp.

Referenced by SCIP_DECL_NLPISOLVE().

◆ userG()

static SCIP_RETCODE userG	(	SCIP *	scip,
		SCIP_NLPIPROBLEM *	problem
	)

static

evaluates constraints and store the result in the corresponding Worhp data fields

Parameters

scip	SCIP data structure
problem	pointer to problem data structure

Definition at line 457 of file nlpi_worhp.c.

References NULL, SCIP_NlpiProblem::opt, SCIP_NlpiProblem::oracle, SCIP_CALL, SCIP_OKAY, SCIPnlpiOracleEvalConstraintValues(), SCIPnlpiOracleGetNConstraints(), SCIPnlpiOracleGetNVars(), and SCIP_NlpiProblem::wsp.

Referenced by SCIP_DECL_NLPISOLVE().

◆ userDF()

static SCIP_RETCODE userDF	(	SCIP *	scip,
		SCIP_NLPIPROBLEM *	problem
	)

static

computes objective gradient and store the result in the corresponding Worhp data fields

Parameters

scip	SCIP data structure
problem	pointer to problem data structure

Definition at line 489 of file nlpi_worhp.c.

References NULL, SCIP_NlpiProblem::opt, SCIP_NlpiProblem::oracle, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPnlpiOracleEvalObjectiveGradient(), SCIPnlpiOracleGetNConstraints(), SCIPnlpiOracleGetNVars(), TRUE, and SCIP_NlpiProblem::wsp.

Referenced by SCIP_DECL_NLPISOLVE().

◆ userDG()

static SCIP_RETCODE userDG	(	SCIP *	scip,
		SCIP_NLPIPROBLEM *	problem
	)

static

computes jacobian matrix and store the result in the corresponding Worhp data fields

Parameters

scip	SCIP data structure
problem	pointer to problem data structure

Definition at line 533 of file nlpi_worhp.c.

References NULL, SCIP_NlpiProblem::opt, SCIP_NlpiProblem::oracle, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPallocBlockMemoryArray, SCIPfreeBlockMemoryArray, SCIPnlpiOracleEvalJacobian(), SCIPnlpiOracleGetNConstraints(), SCIPnlpiOracleGetNVars(), TRUE, and SCIP_NlpiProblem::wsp.

Referenced by SCIP_DECL_NLPISOLVE().

◆ userHM()

static SCIP_RETCODE userHM	(	SCIP *	scip,
		SCIP_NLPIPROBLEM *	problem
	)

static

computes hessian matrix and store the result in the corresponding Worhp data fields

Parameters

scip	SCIP data structure
problem	pointer to problem data structure

Definition at line 578 of file nlpi_worhp.c.

References NULL, SCIP_NlpiProblem::opt, SCIP_NlpiProblem::oracle, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPallocBlockMemoryArray, SCIPfreeBlockMemoryArray, SCIPnlpiOracleEvalHessianLag(), SCIPnlpiOracleGetHessianLagSparsity(), SCIPnlpiOracleGetNConstraints(), SCIPnlpiOracleGetNVars(), TRUE, and SCIP_NlpiProblem::wsp.

Referenced by SCIP_DECL_NLPISOLVE().

◆ noprint()

static void noprint	(	int	mode,
		const char	s[]
	)

static

Worhp print callback function that does nothing

Parameters

mode	the mode
s	a string

Definition at line 634 of file nlpi_worhp.c.

Referenced by SCIP_DECL_NLPISOLVE(), and SCIPincludeNlpSolverWorhp().

◆ initWorhp()

static SCIP_RETCODE initWorhp	(	SCIP *	scip,
		SCIP_NLPI *	nlpi,
		SCIP_NLPIPROBLEM *	problem
	)

static

initialize Worhp data

Parameters

scip	SCIP data structure
nlpi	pointer to NLPI datastructure
problem	pointer to problem data structure

Definition at line 643 of file nlpi_worhp.c.

Referenced by SCIP_DECL_NLPISOLVE().

◆ updateWorhp()

static SCIP_RETCODE updateWorhp ( SCIP_NLPIPROBLEM * problem )

static

update Worhp data

Parameters

problem pointer to problem data structure

Definition at line 845 of file nlpi_worhp.c.

References SCIP_NlpiProblem::cnt, NULL, SCIP_NlpiProblem::opt, SCIP_NlpiProblem::oracle, SCIP_NlpiProblem::par, SCIP_OKAY, SCIP_Real, SCIPnlpiOracleGetConstraintLhs(), SCIPnlpiOracleGetConstraintRhs(), SCIPnlpiOracleGetNConstraints(), SCIPnlpiOracleGetNVars(), SCIPnlpiOracleGetVarLbs(), SCIPnlpiOracleGetVarUbs(), and SCIP_NlpiProblem::wsp.

Referenced by SCIP_DECL_NLPISOLVE().

◆ freeWorhp()

static SCIP_RETCODE freeWorhp ( SCIP_NLPIPROBLEM * problem )

static

frees Worhp data

Parameters

problem pointer to problem data structure

Definition at line 885 of file nlpi_worhp.c.

References SCIP_NlpiProblem::cnt, NULL, SCIP_NlpiProblem::opt, SCIP_NlpiProblem::par, SCIP_OKAY, and SCIP_NlpiProblem::wsp.

Referenced by SCIP_DECL_NLPIFREEPROBLEM(), and SCIP_DECL_NLPISOLVE().

◆ handleNlpParam()

static SCIP_RETCODE handleNlpParam	(	SCIP *	scip,
		SCIP_NLPI *	nlpi,
		Params *	par,
		const SCIP_NLPPARAM	nlpparam
	)

static

pass NLP solve parameters to Ipopt

Parameters

scip	SCIP data structure
nlpi	Worhp interface
par	Worhp parameters
nlpparam	NLP solve parameters

Definition at line 903 of file nlpi_worhp.c.

References DEFAULT_SCALEDKKT, SCIP_NlpParam::fastfail, SCIP_NlpParam::feastol, SCIP_NlpParam::iterlimit, SCIP_NlpParam::lobjlimit, NULL, SCIP_NlpParam::opttol, SCIP_OKAY, SCIP_REAL_MAX, SCIPdebugMsg, SCIPinfinity(), SCIPnlpiGetData(), SCIPwarningMessage(), SCIP_NlpParam::timelimit, TRUE, SCIP_NlpParam::verblevel, and SCIP_NlpParam::warmstart.

Referenced by SCIP_DECL_NLPISOLVE().

◆ SCIP_DECL_NLPICOPY()

static SCIP_DECL_NLPICOPY ( nlpiCopyWorhp )

static

copy method of NLP interface (called when SCIP copies plugins)

Definition at line 961 of file nlpi_worhp.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPincludeNlpSolverWorhp(), and SCIPnlpiGetData().

◆ SCIP_DECL_NLPIFREE()

static SCIP_DECL_NLPIFREE ( nlpiFreeWorhp )

static

destructor of NLP interface to free nlpi data

Definition at line 977 of file nlpi_worhp.c.

References NULL, SCIP_OKAY, and SCIPfreeBlockMemory.

◆ SCIP_DECL_NLPICREATEPROBLEM()

static SCIP_DECL_NLPICREATEPROBLEM ( nlpiCreateProblemWorhp )

static

creates a problem instance

Definition at line 991 of file nlpi_worhp.c.

References DEFAULT_RANDSEED, NULL, SCIP_CALL, SCIP_OKAY, SCIPallocBlockMemory, SCIPallocClearBlockMemory, SCIPcreateRandom(), SCIPnlpiOracleCreate(), SCIPnlpiOracleSetProblemName(), and TRUE.

◆ SCIP_DECL_NLPIFREEPROBLEM()

static SCIP_DECL_NLPIFREEPROBLEM ( nlpiFreeProblemWorhp )

static

free a problem instance

Definition at line 1019 of file nlpi_worhp.c.

References freeWorhp(), invalidateSolution(), NULL, SCIP_CALL, SCIP_OKAY, SCIPfreeBlockMemory, SCIPfreeMemoryArrayNull, SCIPfreeRandom(), and SCIPnlpiOracleFree().

◆ SCIP_DECL_NLPIADDVARS()

static SCIP_DECL_NLPIADDVARS ( nlpiAddVarsWorhp )

static

add variables

Definition at line 1057 of file nlpi_worhp.c.

References invalidateSolution(), NULL, SCIP_CALL, SCIP_OKAY, SCIPfreeMemoryArrayNull, SCIPnlpiOracleAddVars(), and TRUE.

◆ SCIP_DECL_NLPIADDCONSTRAINTS()

static SCIP_DECL_NLPIADDCONSTRAINTS ( nlpiAddConstraintsWorhp )

static

add constraints

Definition at line 1075 of file nlpi_worhp.c.

References invalidateSolution(), NULL, SCIP_CALL, SCIP_OKAY, SCIPnlpiOracleAddConstraints(), and TRUE.

◆ SCIP_DECL_NLPISETOBJECTIVE()

static SCIP_DECL_NLPISETOBJECTIVE ( nlpiSetObjectiveWorhp )

static

sets or overwrites objective, a minimization problem is expected

Definition at line 1094 of file nlpi_worhp.c.

References invalidateSolution(), NULL, SCIP_CALL, SCIP_OKAY, SCIPnlpiOracleIsConstraintNonlinear(), SCIPnlpiOracleSetObjective(), and TRUE.

◆ SCIP_DECL_NLPICHGVARBOUNDS()

static SCIP_DECL_NLPICHGVARBOUNDS ( nlpiChgVarBoundsWorhp )

static

change variable bounds

Definition at line 1118 of file nlpi_worhp.c.

References invalidateSolution(), NULL, REALABS, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPdebugMsg, SCIPnlpiOracleChgVarBounds(), SCIPnlpiOracleGetVarLbs(), SCIPnlpiOracleGetVarUbs(), and TRUE.

◆ SCIP_DECL_NLPICHGCONSSIDES()

static SCIP_DECL_NLPICHGCONSSIDES ( nlpiChgConsSidesWorhp )

static

change constraint bounds

Definition at line 1158 of file nlpi_worhp.c.

References invalidateSolution(), NULL, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPdebugMsg, SCIPnlpiOracleChgConsSides(), SCIPnlpiOracleGetConstraintLhs(), and SCIPnlpiOracleGetConstraintRhs().

◆ SCIP_DECL_NLPIDELVARSET()

static SCIP_DECL_NLPIDELVARSET ( nlpiDelVarSetWorhp )

static

delete a set of variables

Definition at line 1189 of file nlpi_worhp.c.

References invalidateSolution(), NULL, SCIP_CALL, SCIP_OKAY, SCIPfreeMemoryArrayNull, SCIPnlpiOracleDelVarSet(), and TRUE.

◆ SCIP_DECL_NLPIDELCONSSET()

static SCIP_DECL_NLPIDELCONSSET ( nlpiDelConstraintSetWorhp )

static

delete a set of constraints

Definition at line 1207 of file nlpi_worhp.c.

References invalidateSolution(), NULL, SCIP_CALL, SCIP_OKAY, SCIPnlpiOracleDelConsSet(), and TRUE.

◆ SCIP_DECL_NLPICHGLINEARCOEFS()

static SCIP_DECL_NLPICHGLINEARCOEFS ( nlpiChgLinearCoefsWorhp )

static

changes (or adds) linear coefficients in a constraint or objective

Definition at line 1223 of file nlpi_worhp.c.

References invalidateSolution(), NULL, SCIP_CALL, SCIP_OKAY, SCIPnlpiOracleChgLinearCoefs(), and TRUE.

◆ SCIP_DECL_NLPICHGEXPR()

static SCIP_DECL_NLPICHGEXPR ( nlpiChgExprWorhp )

static

replaces the expression of a constraint or objective

Definition at line 1239 of file nlpi_worhp.c.

References invalidateSolution(), NULL, SCIP_CALL, SCIP_OKAY, SCIPnlpiOracleChgExpr(), and TRUE.

◆ SCIP_DECL_NLPICHGOBJCONSTANT()

static SCIP_DECL_NLPICHGOBJCONSTANT ( nlpiChgObjConstantWorhp )

static

change the constant offset in the objective

Definition at line 1255 of file nlpi_worhp.c.

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

◆ SCIP_DECL_NLPISETINITIALGUESS()

static SCIP_DECL_NLPISETINITIALGUESS ( nlpiSetInitialGuessWorhp )

static

sets initial guess for primal variables

Definition at line 1268 of file nlpi_worhp.c.

References BMScopyMemoryArray, NULL, SCIP_CALL, SCIP_OKAY, SCIPduplicateMemoryArray, SCIPfreeMemoryArrayNull, and SCIPnlpiOracleGetNVars().

◆ SCIP_DECL_NLPISOLVE()

static SCIP_DECL_NLPISOLVE ( nlpiSolveWorhp )

static

tries to solve NLP

Definition at line 1295 of file nlpi_worhp.c.

References BMScopyMemoryArray, evaluateWorhpRun(), FALSE, freeWorhp(), handleNlpParam(), initWorhp(), MAX, MAXPERTURB, MIN, noprint(), NULL, SCIP_CALL, SCIP_INVALIDCALL, SCIP_NLPPARAM_PRINT, SCIP_NLPSOLSTAT_UNKNOWN, SCIP_NLPTERMSTAT_INTERRUPT, SCIP_NLPTERMSTAT_NUMERICERROR, SCIP_NLPTERMSTAT_TIMELIMIT, SCIP_OKAY, SCIP_Real, SCIPdebugMsg, SCIPisSolveInterrupted(), SCIPnlpiOracleGetVarLbs(), SCIPnlpiOracleGetVarUbs(), SCIPnlpiOraclePrintProblem(), SCIPnlpiOracleResetEvalTime(), SCIPrandomGetReal(), SCIPwarningMessage(), updateWorhp(), userDF(), userDG(), userF(), userG(), and userHM().

◆ SCIP_DECL_NLPIGETSOLSTAT()

static SCIP_DECL_NLPIGETSOLSTAT ( nlpiGetSolstatWorhp )

static

gives solution status

Definition at line 1519 of file nlpi_worhp.c.

References NULL.

◆ SCIP_DECL_NLPIGETTERMSTAT()

static SCIP_DECL_NLPIGETTERMSTAT ( nlpiGetTermstatWorhp )

static

gives termination reason

Definition at line 1529 of file nlpi_worhp.c.

References NULL.

◆ SCIP_DECL_NLPIGETSOLUTION()

static SCIP_DECL_NLPIGETSOLUTION ( nlpiGetSolutionWorhp )

static

gives primal and dual solution values

Definition at line 1539 of file nlpi_worhp.c.

References NULL, SCIP_CALL, SCIP_INVALID, SCIP_OKAY, and SCIPnlpiOracleEvalObjectiveValue().

◆ SCIP_DECL_NLPIGETSTATISTICS()

static SCIP_DECL_NLPIGETSTATISTICS ( nlpiGetStatisticsWorhp )

static

gives solve statistics

Definition at line 1571 of file nlpi_worhp.c.

References NULL, SCIP_OKAY, and SCIPnlpiOracleGetEvalTime().

SCIP

Detailed Description

Data Structures

Macros

Functions

Macro Definition Documentation

◆ NLPI_DESC

◆ NLPI_PRIORITY_IP

◆ NLPI_PRIORITY_SQP

◆ DEFAULT_VERBLEVEL

◆ DEFAULT_SCALEDKKT

◆ DEFAULT_RANDSEED

◆ MAXPERTURB

Function Documentation

◆ invalidateSolution()

◆ evaluateWorhpRun()

◆ userF()

◆ userG()

◆ userDF()

◆ userDG()

◆ userHM()

◆ noprint()

◆ initWorhp()

◆ updateWorhp()

◆ freeWorhp()

◆ handleNlpParam()

◆ SCIP_DECL_NLPICOPY()

◆ SCIP_DECL_NLPIFREE()

◆ SCIP_DECL_NLPICREATEPROBLEM()

◆ SCIP_DECL_NLPIFREEPROBLEM()

◆ SCIP_DECL_NLPIADDVARS()

◆ SCIP_DECL_NLPIADDCONSTRAINTS()

◆ SCIP_DECL_NLPISETOBJECTIVE()

◆ SCIP_DECL_NLPICHGVARBOUNDS()

◆ SCIP_DECL_NLPICHGCONSSIDES()

◆ SCIP_DECL_NLPIDELVARSET()

◆ SCIP_DECL_NLPIDELCONSSET()

◆ SCIP_DECL_NLPICHGLINEARCOEFS()

◆ SCIP_DECL_NLPICHGEXPR()

◆ SCIP_DECL_NLPICHGOBJCONSTANT()

◆ SCIP_DECL_NLPISETINITIALGUESS()

◆ SCIP_DECL_NLPISOLVE()

◆ SCIP_DECL_NLPIGETSOLSTAT()

◆ SCIP_DECL_NLPIGETTERMSTAT()

◆ SCIP_DECL_NLPIGETSOLUTION()

◆ SCIP_DECL_NLPIGETSTATISTICS()