heur_trivial.c File Reference

Detailed Description

trivial primal heuristic

Author

Timo Berthold

Definition in file heur_trivial.c.

#include "scip/heur_trivial.h"
#include "scip/pub_heur.h"
#include "scip/pub_message.h"
#include "scip/pub_var.h"
#include "scip/scip_heur.h"
#include "scip/scip_message.h"
#include "scip/scip_numerics.h"
#include "scip/scip_prob.h"
#include "scip/scip_sol.h"
#include "scip/scip_solvingstats.h"
#include <string.h>

Go to the source code of this file.

Macros
#define	HEUR_NAME   "trivial"
#define	HEUR_DESC   "start heuristic which tries some trivial solutions"
#define	HEUR_DISPCHAR   SCIP_HEURDISPCHAR_TRIVIAL
#define	HEUR_PRIORITY   10000
#define	HEUR_FREQ   0
#define	HEUR_FREQOFS   0
#define	HEUR_MAXDEPTH   -1
#define	HEUR_TIMING   SCIP_HEURTIMING_BEFOREPRESOL | SCIP_HEURTIMING_BEFORENODE
#define	HEUR_USESSUBSCIP   FALSE

Functions
static	SCIP_DECL_HEURCOPY (heurCopyTrivial)
static	SCIP_DECL_HEUREXEC (heurExecTrivial)
SCIP_RETCODE	SCIPincludeHeurTrivial (SCIP *scip)

Macro Definition Documentation

HEUR_NAME

#define HEUR_NAME   "trivial"

Definition at line 45 of file heur_trivial.c.

Referenced by SCIP_DECL_HEURCOPY(), and SCIPincludeHeurTrivial().

HEUR_DESC

#define HEUR_DESC   "start heuristic which tries some trivial solutions"

Definition at line 46 of file heur_trivial.c.

Referenced by SCIPincludeHeurTrivial().

HEUR_DISPCHAR

#define HEUR_DISPCHAR   SCIP_HEURDISPCHAR_TRIVIAL

Definition at line 47 of file heur_trivial.c.

Referenced by SCIPincludeHeurTrivial().

HEUR_PRIORITY

#define HEUR_PRIORITY   10000

Definition at line 48 of file heur_trivial.c.

Referenced by SCIPincludeHeurTrivial().

HEUR_FREQ

#define HEUR_FREQ   0

Definition at line 49 of file heur_trivial.c.

Referenced by SCIPincludeHeurTrivial().

HEUR_FREQOFS

#define HEUR_FREQOFS   0

Definition at line 50 of file heur_trivial.c.

Referenced by SCIPincludeHeurTrivial().

HEUR_MAXDEPTH

#define HEUR_MAXDEPTH   -1

Definition at line 51 of file heur_trivial.c.

Referenced by SCIPincludeHeurTrivial().

HEUR_TIMING

#define HEUR_TIMING   SCIP_HEURTIMING_BEFOREPRESOL | SCIP_HEURTIMING_BEFORENODE

Definition at line 52 of file heur_trivial.c.

Referenced by SCIPincludeHeurTrivial().

HEUR_USESSUBSCIP

#define HEUR_USESSUBSCIP   FALSE

does the heuristic use a secondary SCIP instance?

Definition at line 53 of file heur_trivial.c.

Referenced by SCIPincludeHeurTrivial().

Function Documentation

SCIP_DECL_HEURCOPY()

static SCIP_DECL_HEURCOPY ( heurCopyTrivial  )

static

copy method for primal heuristic plugins (called when SCIP copies plugins)

Definition at line 61 of file heur_trivial.c.

References HEUR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPheurGetName(), and SCIPincludeHeurTrivial().

SCIP_DECL_HEUREXEC()

static SCIP_DECL_HEUREXEC ( heurExecTrivial  )

static

execution method of primal heuristic

Definition at line 76 of file heur_trivial.c.

References FALSE, MAX, MIN, NULL, SCIP_Bool, SCIP_CALL, SCIP_DIDNOTFIND, SCIP_FOUNDSOL, SCIP_LOCKTYPE_MODEL, SCIP_OKAY, SCIP_Real, SCIP_VARTYPE_CONTINUOUS, SCIPceil(), SCIPcreateSol(), SCIPdebug, SCIPdebugMsg, SCIPfeastol(), SCIPfloor(), SCIPfreeSol(), SCIPgetHugeValue(), SCIPgetVarsData(), SCIPisEQ(), SCIPisFeasGT(), SCIPisFeasLE(), SCIPisInfinity(), SCIPprintSol(), SCIPround(), SCIPsetSolVal(), SCIPtrySol(), SCIPvarGetLbLocal(), SCIPvarGetNLocksDownType(), SCIPvarGetNLocksUpType(), SCIPvarGetType(), SCIPvarGetUbLocal(), and TRUE.