objpresol.h File Reference

Detailed Description

C++ wrapper for presolvers.

Author

Tobias Achterberg

Definition in file objpresol.h.

#include <cstring>
#include "scip/scip.h"
#include "objscip/objcloneable.h"

Go to the source code of this file.

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

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

The method should be called in one of the following ways:

1. The user is resposible of deleting the object: SCIP_CALL( SCIPcreate(&scip) ); ... MyPresol* mypresol = new MyPresol(...); SCIP_CALL( SCIPincludeObjPresol(scip, &mypresol, FALSE) ); ... SCIP_CALL( SCIPfree(&scip) ); delete mypresol; // delete presol AFTER SCIPfree() !

1. The object pointer is passed to SCIP and deleted by SCIP in the SCIPfree() call: SCIP_CALL( SCIPcreate(&scip) ); ... SCIP_CALL( SCIPincludeObjPresol(scip, new MyPresol(...), TRUE) ); ... SCIP_CALL( SCIPfree(&scip) ); // destructor of MyPresol is called here

Parameters

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

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

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

returns the presol object for the given presolver

Parameters

scip	SCIP data structure
presol	presolver