heur_sync.c File Reference

Detailed Description

primal heuristic that adds solutions from synchronization

Author

Leona Gottwald

This heuristic takes solutions during synchronization and then adds them.

Definition in file heur_sync.c.

#include <assert.h>
#include <string.h>
#include "scip/heur_sync.h"
#include "scip/scip.h"

Go to the source code of this file.

Macros
#define	HEUR_NAME   "sync"
#define	HEUR_DESC   "heuristic for synchronizing solution"
#define	HEUR_DISPCHAR   'S'
#define	HEUR_PRIORITY   -3000000 /* should process after all other heuristics */
#define	HEUR_FREQ   -1
#define	HEUR_FREQOFS   0
#define	HEUR_MAXDEPTH   -1
#define	HEUR_TIMING   SCIP_HEURTIMING_DURINGLPLOOP | SCIP_HEURTIMING_BEFOREPRESOL | SCIP_HEURTIMING_BEFORENODE
#define	HEUR_USESSUBSCIP   FALSE

Functions
static	SCIP_DECL_HEURFREE (heurFreeSync)
static	SCIP_DECL_HEUREXITSOL (heurExitSync)
static	SCIP_DECL_HEUREXEC (heurExecSync)
SCIP_RETCODE	SCIPincludeHeurSync (SCIP *scip)
SCIP_RETCODE	SCIPheurSyncPassSol (SCIP *scip, SCIP_HEUR *heur, SCIP_SOL *sol)

Macro Definition Documentation

HEUR_NAME

#define HEUR_NAME   "sync"

Definition at line 42 of file heur_sync.c.

HEUR_DESC

#define HEUR_DESC   "heuristic for synchronizing solution"

Definition at line 43 of file heur_sync.c.

HEUR_DISPCHAR

#define HEUR_DISPCHAR   'S'

Definition at line 44 of file heur_sync.c.

HEUR_PRIORITY

#define HEUR_PRIORITY   -3000000 /* should process after all other heuristics */

Definition at line 45 of file heur_sync.c.

HEUR_FREQ

#define HEUR_FREQ   -1

Definition at line 46 of file heur_sync.c.

HEUR_FREQOFS

#define HEUR_FREQOFS   0

Definition at line 47 of file heur_sync.c.

HEUR_MAXDEPTH

#define HEUR_MAXDEPTH   -1

Definition at line 48 of file heur_sync.c.

HEUR_TIMING

#define HEUR_TIMING   SCIP_HEURTIMING_DURINGLPLOOP | SCIP_HEURTIMING_BEFOREPRESOL | SCIP_HEURTIMING_BEFORENODE

Definition at line 49 of file heur_sync.c.

HEUR_USESSUBSCIP

#define HEUR_USESSUBSCIP   FALSE

does the heuristic use a secondary SCIP instance?

Definition at line 50 of file heur_sync.c.

Function Documentation

SCIP_DECL_HEURFREE()

static SCIP_DECL_HEURFREE ( heurFreeSync  )

static

destructor of primal heuristic to free user data (called when SCIP is exiting)

Definition at line 73 of file heur_sync.c.

References HEUR_NAME, NULL, SCIP_OKAY, SCIPdebugMessage, SCIPfreeBlockMemory, SCIPfreeBlockMemoryArray, SCIPheurGetData(), and SCIPheurGetName().

SCIP_DECL_HEUREXITSOL()

static SCIP_DECL_HEUREXITSOL ( heurExitSync  )

static

deinitialization method of primal heuristic (called before transformed problem is freed)

Definition at line 96 of file heur_sync.c.

References HEUR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPdebugMessage, SCIPfreeSol(), SCIPheurGetData(), and SCIPheurGetName().

SCIP_DECL_HEUREXEC()

static SCIP_DECL_HEUREXEC ( heurExecSync  )

static

execution method of primal heuristic

Definition at line 123 of file heur_sync.c.

References FALSE, HEUR_NAME, NULL, SCIP_Bool, SCIP_CALL, SCIP_DIDNOTFIND, SCIP_FOUNDSOL, SCIP_OKAY, SCIPdebugMessage, SCIPheurGetData(), SCIPheurGetFreq(), SCIPheurGetName(), SCIPheurSetFreq(), and SCIPtrySolFree().