cons_savedsdpsettings.c File Reference

constraint handler for saving SDP settings More...

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Macros
#define	CONSHDLR_NAME   "Savedsdpsettings"
#define	CONSHDLR_DESC   "constraint handler to store SDP settings for each node"
#define	CONSHDLR_ENFOPRIORITY   0
#define	CONSHDLR_CHECKPRIORITY   0
#define	CONSHDLR_EAGERFREQ   100
#define	CONSHDLR_NEEDSCONS   TRUE

Functions
static	SCIP_DECL_CONSDELETE (consDeleteSavedsdpsettings)
static	SCIP_DECL_CONSENFOLP (consEnfolpSavedsdpsettings)
static	SCIP_DECL_CONSENFOPS (consEnfopsSavedsdpsettings)
static	SCIP_DECL_CONSCHECK (consCheckSavedsdpsettings)
static	SCIP_DECL_CONSLOCK (consLockSavedsdpsettings)
static	SCIP_DECL_CONSHDLRCOPY (conshdlrCopySavedsdpsettings)
static	SCIP_DECL_CONSCOPY (consCopySavedsdpsettings)
SCIP_RETCODE	SCIPincludeConshdlrSavedsdpsettings (SCIP *scip)
SCIP_RETCODE	createConsSavedsdpsettings (SCIP *scip, SCIP_CONS **cons, const char *name, SCIP_SDPSOLVERSETTING settings)
SCIP_SDPSOLVERSETTING	SCIPconsSavedsdpsettingsGetSettings (SCIP *scip, SCIP_CONS *cons)

Detailed Description

constraint handler for saving SDP settings

Author

Tristan Gally

A constraint that is always feasible which can be used to save and recover settings used to solve the SDP-relaxation at the current node.

Definition in file cons_savedsdpsettings.c.

Macro Definition Documentation

#define CONSHDLR_NAME   "Savedsdpsettings"

Definition at line 49 of file cons_savedsdpsettings.c.

Referenced by SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSENFOLP(), SCIP_DECL_CONSENFOPS(), SCIP_DECL_CONSHDLRCOPY(), SCIP_DECL_CONSLOCK(), and SCIPincludeConshdlrSavedsdpsettings().

#define CONSHDLR_DESC   "constraint handler to store SDP settings for each node"

Definition at line 50 of file cons_savedsdpsettings.c.

Referenced by SCIPincludeConshdlrSavedsdpsettings().

#define CONSHDLR_ENFOPRIORITY   0

priority of the constraint handler for constraint enforcing

Definition at line 51 of file cons_savedsdpsettings.c.

Referenced by SCIPincludeConshdlrSavedsdpsettings().

#define CONSHDLR_CHECKPRIORITY   0

priority of the constraint handler for checking feasibility

Definition at line 52 of file cons_savedsdpsettings.c.

Referenced by SCIPincludeConshdlrSavedsdpsettings().

#define CONSHDLR_EAGERFREQ   100

frequency for using all instead of only the useful constraints in separation, propagation and enforcement, -1 for no eager evaluations, 0 for first only

Definition at line 53 of file cons_savedsdpsettings.c.

Referenced by SCIPincludeConshdlrSavedsdpsettings().

#define CONSHDLR_NEEDSCONS   TRUE

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

Definition at line 56 of file cons_savedsdpsettings.c.

Referenced by SCIPincludeConshdlrSavedsdpsettings().

Function Documentation

static SCIP_DECL_CONSDELETE ( consDeleteSavedsdpsettings  )

static

frees specific constraint data

Definition at line 66 of file cons_savedsdpsettings.c.

static SCIP_DECL_CONSENFOLP ( consEnfolpSavedsdpsettings  )

static

constraint enforcing method of constraint handler for LP solutions

Definition at line 84 of file cons_savedsdpsettings.c.

References CONSHDLR_NAME.

static SCIP_DECL_CONSENFOPS ( consEnfopsSavedsdpsettings  )

static

constraint enforcing method of constraint handler for pseudo solutions

Definition at line 100 of file cons_savedsdpsettings.c.

References CONSHDLR_NAME.

static SCIP_DECL_CONSCHECK ( consCheckSavedsdpsettings  )

static

feasibility check method of constraint handler for primal solutions

Definition at line 116 of file cons_savedsdpsettings.c.

References CONSHDLR_NAME.

static SCIP_DECL_CONSLOCK ( consLockSavedsdpsettings  )

static

variable rounding lock method of constraint handler

Definition at line 132 of file cons_savedsdpsettings.c.

References CONSHDLR_NAME.

static SCIP_DECL_CONSHDLRCOPY ( conshdlrCopySavedsdpsettings  )

static

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

Definition at line 145 of file cons_savedsdpsettings.c.

References CONSHDLR_NAME, and SCIPincludeConshdlrSavedsdpsettings().

static SCIP_DECL_CONSCOPY ( consCopySavedsdpsettings  )

static

constraint copying method of constraint handler

Definition at line 163 of file cons_savedsdpsettings.c.

SCIP_RETCODE SCIPincludeConshdlrSavedsdpsettings

(

SCIP *

scip

)

include store bool constraint handler

Parameters

scip	SCIP data structure

Definition at line 172 of file cons_savedsdpsettings.c.

References CONSHDLR_CHECKPRIORITY, CONSHDLR_DESC, CONSHDLR_EAGERFREQ, CONSHDLR_ENFOPRIORITY, CONSHDLR_NAME, and CONSHDLR_NEEDSCONS.

Referenced by runSCIP(), and SCIP_DECL_CONSHDLRCOPY().

SCIP_RETCODE createConsSavedsdpsettings	(	SCIP *	scip,
		SCIP_CONS **	cons,
		const char *	name,
		SCIP_SDPSOLVERSETTING	settings
	)

create a savedsdpsettings constraint, i.e. save the current settings for the SDP-relaxation of this node

Parameters

scip	SCIP data structure
cons	pointer to hold the created constraint
name	name of constraint
settings	settings to save

Definition at line 200 of file cons_savedsdpsettings.c.

Referenced by calcRelax().

SCIP_SDPSOLVERSETTING SCIPconsSavedsdpsettingsGetSettings	(	SCIP *	scip,
		SCIP_CONS *	cons
	)

get the settings used to solve the SDP relaxation in this node

Parameters

scip	SCIP data structure
cons	constraint to get starting point for

Definition at line 235 of file cons_savedsdpsettings.c.

Referenced by calcRelax().