Scippy

SCIP

Solving Constraint Integer Programs

Detailed Description

C++ wrapper for relaxation handlers.

This class defines the interface for relaxation handlers implemented in C++. Note that there is a pure virtual function (this function has to be implemented). This function is: scip_exec().

Definition at line 42 of file objrelax.h.

#include <objrelax.h>

Public Member Functions
	ObjRelax (SCIP scip, const char name, const char *desc, int priority, int freq)

virtual	~ObjRelax ()

virtual	SCIP_DECL_RELAXFREE (scip_free)

virtual	SCIP_DECL_RELAXINIT (scip_init)

virtual	SCIP_DECL_RELAXEXIT (scip_exit)

virtual	SCIP_DECL_RELAXINITSOL (scip_initsol)

virtual	SCIP_DECL_RELAXEXITSOL (scip_exitsol)

virtual	SCIP_DECL_RELAXEXEC (scip_exec)=0

Public Member Functions inherited from scip::ObjCloneable
virtual	~ObjCloneable ()

virtual	SCIP_DECL_OBJCLONEABLECLONE (ObjCloneable *clone)

virtual	SCIP_DECL_OBJCLONEABLEISCLONEABLE (iscloneable)

Data Fields
SCIP *	scip_

char *	scip_name_

char *	scip_desc_

const int	scip_priority_

const int	scip_freq_

Constructor & Destructor Documentation

scip::ObjRelax::ObjRelax	(	SCIP *	scip,
		const char *	name,
		const char *	desc,
		int	priority,
		int	freq
	)

inline

default constructor

Parameters

scip	SCIP data structure
name	name of relaxator
desc	description of relaxator
priority	priority of the relaxator (negative: after LP, non-negative: before LP)
freq	frequency for calling relaxator

Definition at line 63 of file objrelax.h.

References SCIP_CALL_ABORT, and SCIPduplicateMemoryArray.

virtual scip::ObjRelax::~ObjRelax ( )

inlinevirtual

destructor

Definition at line 82 of file objrelax.h.

References SCIPfreeMemoryArray.

Member Function Documentation

virtual scip::ObjRelax::SCIP_DECL_RELAXFREE ( scip_free )

inlinevirtual

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

See also: SCIP_DECL_RELAXFREE(x) in type_relax.h

Definition at line 94 of file objrelax.h.

References SCIP_OKAY.

virtual scip::ObjRelax::SCIP_DECL_RELAXINIT ( scip_init )

inlinevirtual

initialization method of relaxator (called after problem was transformed)

See also: SCIP_DECL_RELAXINIT(x) in type_relax.h

Definition at line 103 of file objrelax.h.

References SCIP_OKAY.

virtual scip::ObjRelax::SCIP_DECL_RELAXEXIT ( scip_exit )

inlinevirtual

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

See also: SCIP_DECL_RELAXEXIT(x) in type_relax.h

Definition at line 112 of file objrelax.h.

References SCIP_OKAY.

virtual scip::ObjRelax::SCIP_DECL_RELAXINITSOL ( scip_initsol )

inlinevirtual

solving process initialization method of relaxator (called when branch and bound process is about to begin)

See also: SCIP_DECL_RELAXINITSOL(x) in type_relax.h

Definition at line 121 of file objrelax.h.

References SCIP_OKAY.

virtual scip::ObjRelax::SCIP_DECL_RELAXEXITSOL ( scip_exitsol )

inlinevirtual

solving process deinitialization method of relaxator (called before branch and bound process data is freed)

See also: SCIP_DECL_RELAXEXITSOL(x) in type_relax.h

Definition at line 130 of file objrelax.h.

References SCIP_Bool, SCIP_DECL_RELAXEXEC(), SCIP_OKAY, SCIPfindObjRelax(), SCIPgetObjRelax(), and SCIPincludeObjRelax().

virtual scip::ObjRelax::SCIP_DECL_RELAXEXEC ( scip_exec )

pure virtual

execution method of relaxator

See also: SCIP_DECL_RELAXEXEC(x) in type_relax.h

Referenced by SCIP_DECL_RELAXEXITSOL().

Field Documentation

SCIP* scip::ObjRelax::scip_

SCIP data structure

Definition at line 48 of file objrelax.h.

char* scip::ObjRelax::scip_name_

name of the relaxator

Definition at line 51 of file objrelax.h.

char* scip::ObjRelax::scip_desc_

description of the relaxator

Definition at line 54 of file objrelax.h.

const int scip::ObjRelax::scip_priority_

default priority of the relaxator (negative: call after LP, non-negative: call before LP)

Definition at line 57 of file objrelax.h.

const int scip::ObjRelax::scip_freq_

frequency for calling relaxator

Definition at line 60 of file objrelax.h.