presol_roundbound.c File Reference

Detailed Description

roundbound presolver: round fractional bounds on integer variables

Author

Tobias Achterberg

Michael Bastubbe

Definition in file presol_roundbound.c.

#include <assert.h>
#include <string.h>
#include "presol_roundbound.h"

Go to the source code of this file.

Macros
#define	PRESOL_NAME   "roundbound"
#define	PRESOL_DESC   "roundbound presolver: round fractional bounds on integers"
#define	PRESOL_PRIORITY   +9000000
#define	PRESOL_MAXROUNDS   -1
#define	PRESOL_TIMING   SCIP_PRESOLTIMING_FAST /* timing of the presolver (fast, medium, or exhaustive) */

Functions
static	SCIP_DECL_PRESOLCOPY (presolCopyRoundbound)
static	SCIP_DECL_PRESOLEXEC (presolExecRoundbound)
SCIP_RETCODE	SCIPincludePresolRoundbound (SCIP *scip)

Macro Definition Documentation

PRESOL_NAME

#define PRESOL_NAME   "roundbound"

Definition at line 30 of file presol_roundbound.c.

PRESOL_DESC

#define PRESOL_DESC   "roundbound presolver: round fractional bounds on integers"

Definition at line 31 of file presol_roundbound.c.

PRESOL_PRIORITY

#define PRESOL_PRIORITY   +9000000

priority of the presolver (>= 0: before, < 0: after constraint handlers)

Definition at line 32 of file presol_roundbound.c.

PRESOL_MAXROUNDS

#define PRESOL_MAXROUNDS   -1

maximal number of presolving rounds the presolver participates in (-1: no limit)

Definition at line 33 of file presol_roundbound.c.

PRESOL_TIMING

#define PRESOL_TIMING   SCIP_PRESOLTIMING_FAST /* timing of the presolver (fast, medium, or exhaustive) */

Definition at line 34 of file presol_roundbound.c.

Function Documentation

SCIP_DECL_PRESOLCOPY()

static SCIP_DECL_PRESOLCOPY ( presolCopyRoundbound  )

static

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

Definition at line 47 of file presol_roundbound.c.

References PRESOL_NAME, and SCIPincludePresolRoundbound().

SCIP_DECL_PRESOLEXEC()

static SCIP_DECL_PRESOLEXEC ( presolExecRoundbound  )

static

presolving execution method

Definition at line 62 of file presol_roundbound.c.

SCIPincludePresolRoundbound()

SCIP_RETCODE SCIPincludePresolRoundbound

(

SCIP *

scip

)

creates the roundbound presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 148 of file presol_roundbound.c.

References PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, and PRESOL_TIMING.

Referenced by GCGincludeMasterPlugins(), and SCIP_DECL_PRESOLCOPY().