Scippy

SCIP

Solving Constraint Integer Programs

Detailed Description

C++ wrapper for presolvers.

Author: Tobias Achterberg

Definition in file objpresol.cpp.

#include <cassert>
#include "objpresol.h"

Go to the source code of this file.

Functions
static	SCIP_DECL_PRESOLCOPY (presolCopyObj)

static	SCIP_DECL_PRESOLFREE (presolFreeObj)

static	SCIP_DECL_PRESOLINIT (presolInitObj)

static	SCIP_DECL_PRESOLEXIT (presolExitObj)

static	SCIP_DECL_PRESOLINITPRE (presolInitpreObj)

static	SCIP_DECL_PRESOLEXITPRE (presolExitpreObj)

static	SCIP_DECL_PRESOLEXEC (presolExecObj)

SCIP_RETCODE	SCIPincludeObjPresol (SCIP scip, scip::ObjPresol objpresol, SCIP_Bool deleteobject)

scip::ObjPresol *	SCIPfindObjPresol (SCIP scip, const char name)

scip::ObjPresol *	SCIPgetObjPresol (SCIP scip, SCIP_PRESOL presol)

Function Documentation

◆ SCIP_DECL_PRESOLCOPY()

static SCIP_DECL_PRESOLCOPY ( presolCopyObj )

static

copy method for presolver plugins (called when SCIP copies plugins)

Definition at line 53 of file objpresol.cpp.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPincludeObjPresol(), SCIPpresolGetData(), and TRUE.

◆ SCIP_DECL_PRESOLFREE()

static SCIP_DECL_PRESOLFREE ( presolFreeObj )

static

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

Definition at line 78 of file objpresol.cpp.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPpresolGetData(), and SCIPpresolSetData().

◆ SCIP_DECL_PRESOLINIT()

static SCIP_DECL_PRESOLINIT ( presolInitObj )

static

initialization method of presolver (called after problem was transformed)

Definition at line 104 of file objpresol.cpp.

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

◆ SCIP_DECL_PRESOLEXIT()

static SCIP_DECL_PRESOLEXIT ( presolExitObj )

static

deinitialization method of presolver (called before transformed problem is freed)

Definition at line 122 of file objpresol.cpp.

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

◆ SCIP_DECL_PRESOLINITPRE()

static SCIP_DECL_PRESOLINITPRE ( presolInitpreObj )

static

presolving initialization method of presolver (called when presolving is about to begin)

Definition at line 139 of file objpresol.cpp.

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

◆ SCIP_DECL_PRESOLEXITPRE()

static SCIP_DECL_PRESOLEXITPRE ( presolExitpreObj )

static

presolving deinitialization method of presolver (called after presolving has been finished)

Definition at line 156 of file objpresol.cpp.

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

◆ SCIP_DECL_PRESOLEXEC()

static SCIP_DECL_PRESOLEXEC ( presolExecObj )

static

execution method of presolver

Definition at line 173 of file objpresol.cpp.

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

◆ SCIPincludeObjPresol()

SCIP_RETCODE SCIPincludeObjPresol	(	SCIP *	scip,
		scip::ObjPresol *	objpresol,
		SCIP_Bool	deleteobject
	)

creates the presolver for the given presolver object and includes it in SCIP

Parameters

scip	SCIP data structure
objpresol	presolver object
deleteobject	should the presolver object be deleted when presolver is freed?

Definition at line 199 of file objpresol.cpp.

References NULL, SCIP_CALL, scip::ObjPresol::scip_desc_, scip::ObjPresol::scip_maxrounds_, scip::ObjPresol::scip_name_, SCIP_OKAY, scip::ObjPresol::scip_priority_, scip::ObjPresol::scip_timing_, and SCIPincludePresol().

Referenced by SCIP_DECL_PRESOLCOPY(), and scip::ObjPresol::SCIP_DECL_PRESOLEXITPRE().

◆ SCIPfindObjPresol()

scip::ObjPresol* SCIPfindObjPresol	(	SCIP *	scip,
		const char *	name
	)

returns the presol object of the given name, or 0 if not existing

Parameters

scip	SCIP data structure
name	name of presolver

Definition at line 226 of file objpresol.cpp.

References NULL, SCIPfindPresol(), and SCIPpresolGetData().

Referenced by scip::ObjPresol::SCIP_DECL_PRESOLEXITPRE().

◆ SCIPgetObjPresol()

scip::ObjPresol* SCIPgetObjPresol	(	SCIP *	scip,
		SCIP_PRESOL *	presol
	)

returns the presol object for the given presolver

Parameters

scip	SCIP data structure
presol	presolver

Definition at line 245 of file objpresol.cpp.

References NULL, and SCIPpresolGetData().

Referenced by scip::ObjPresol::SCIP_DECL_PRESOLEXITPRE().