Detailed Description

C++ wrapper for primal heuristics.

This class defines the interface for primal heuristics 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 53 of file objheur.h.

C++ wrapper for primal heuristics. More...

#include <objheur.h>

Public Member Functions
	ObjHeur (SCIP scip, const char name, const char *desc, char dispchar, int priority, int freq, int freqofs, int maxdepth, SCIP_HEURTIMING timingmask, SCIP_Bool usessubscip)

	ObjHeur (const ObjHeur &o)

	ObjHeur (ObjHeur &&o)

virtual	~ObjHeur ()

ObjHeur &	operator= (const ObjHeur &o)=delete

ObjHeur &	operator= (ObjHeur &&o)=delete

virtual	SCIP_DECL_HEURFREE (scip_free)

virtual	SCIP_DECL_HEURINIT (scip_init)

virtual	SCIP_DECL_HEUREXIT (scip_exit)

virtual	SCIP_DECL_HEURINITSOL (scip_initsol)

virtual	SCIP_DECL_HEUREXITSOL (scip_exitsol)

virtual	SCIP_DECL_HEUREXEC (scip_exec)=0

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

ObjCloneable &	operator= (const ObjCloneable &o)=delete

ObjCloneable &	operator= (ObjCloneable &&o)=delete

virtual	SCIP_DECL_OBJCLONEABLECLONE (ObjCloneable *clone)

virtual	SCIP_DECL_OBJCLONEABLEISCLONEABLE (iscloneable)

Data Fields
SCIP *	scip_

char *	scip_name_

char *	scip_desc_

const char	scip_dispchar_

const int	scip_priority_

const int	scip_freq_

const int	scip_freqofs_

const int	scip_maxdepth_

const SCIP_HEURTIMING	scip_timingmask_

const SCIP_Bool	scip_usessubscip_

Constructor & Destructor Documentation

◆ ObjHeur() [1/3]

scip::ObjHeur::ObjHeur	(	SCIP *	scip,
		const char *	name,
		const char *	desc,
		char	dispchar,
		int	priority,
		int	freq,
		int	freqofs,
		int	maxdepth,
		SCIP_HEURTIMING	timingmask,
		SCIP_Bool	usessubscip
	)

inline

default constructor

Parameters

scip	SCIP data structure
name	name of primal heuristic
desc	description of primal heuristic
dispchar	display character of primal heuristic
priority	priority of the primal heuristic
freq	frequency for calling primal heuristic
freqofs	frequency offset for calling primal heuristic
maxdepth	maximal depth level to call heuristic at (-1: no limit)
timingmask	positions in the node solving loop where heuristic should be executed; see definition of SCIP_HEURTIMING for possible values
usessubscip	does the heuristic use a secondary SCIP instance?

Definition at line 89 of file objheur.h.

References SCIP_CALL_ABORT, and SCIPduplicateMemoryArray.

◆ ObjHeur() [2/3]

scip::ObjHeur::ObjHeur ( const ObjHeur & o )

inline

copy constructor

Definition at line 119 of file objheur.h.

◆ ObjHeur() [3/3]

scip::ObjHeur::ObjHeur ( ObjHeur && o )

inline

move constructor

Definition at line 126 of file objheur.h.

◆ ~ObjHeur()

virtual scip::ObjHeur::~ObjHeur ( )

inlinevirtual

destructor

Definition at line 143 of file objheur.h.

References operator=(), and SCIPfreeMemoryArray.

Member Function Documentation

◆ operator=() [1/2]

ObjHeur& scip::ObjHeur::operator= ( const ObjHeur & o )

delete

assignment of polymorphic classes causes slicing and is therefore disabled.

Referenced by ~ObjHeur().

◆ operator=() [2/2]

ObjHeur& scip::ObjHeur::operator= ( ObjHeur && o )

delete

assignment of polymorphic classes causes slicing and is therefore disabled.

◆ SCIP_DECL_HEURFREE()

virtual scip::ObjHeur::SCIP_DECL_HEURFREE ( scip_free )

inlinevirtual

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

See also: SCIP_DECL_HEURFREE(x) in type_heur.h

Reimplemented in tsp::Heur2opt, tsp::HeurFrats, and tsp::HeurFarthestInsert.

Definition at line 161 of file objheur.h.

References SCIP_OKAY.

◆ SCIP_DECL_HEURINIT()

virtual scip::ObjHeur::SCIP_DECL_HEURINIT ( scip_init )

inlinevirtual

initialization method of primal heuristic (called after problem was transformed)

See also: SCIP_DECL_HEURINIT(x) in type_heur.h

Reimplemented in tsp::Heur2opt, tsp::HeurFrats, and tsp::HeurFarthestInsert.

Definition at line 170 of file objheur.h.

References SCIP_OKAY.

◆ SCIP_DECL_HEUREXIT()

virtual scip::ObjHeur::SCIP_DECL_HEUREXIT ( scip_exit )

inlinevirtual

deinitialization method of primal heuristic (called before transformed problem is freed)

See also: SCIP_DECL_HEUREXIT(x) in type_heur.h

Reimplemented in tsp::Heur2opt, tsp::HeurFrats, and tsp::HeurFarthestInsert.

Definition at line 179 of file objheur.h.

References SCIP_OKAY.

◆ SCIP_DECL_HEURINITSOL()

virtual scip::ObjHeur::SCIP_DECL_HEURINITSOL ( scip_initsol )

inlinevirtual

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

See also: SCIP_DECL_HEURINITSOL(x) in type_heur.h

Reimplemented in tsp::Heur2opt, tsp::HeurFrats, and tsp::HeurFarthestInsert.

Definition at line 188 of file objheur.h.

References SCIP_OKAY.

◆ SCIP_DECL_HEUREXITSOL()

virtual scip::ObjHeur::SCIP_DECL_HEUREXITSOL ( scip_exitsol )

inlinevirtual

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

See also: SCIP_DECL_HEUREXITSOL(x) in type_heur.h

Reimplemented in tsp::Heur2opt, tsp::HeurFrats, and tsp::HeurFarthestInsert.

Definition at line 197 of file objheur.h.

References SCIP_Bool, SCIP_DECL_HEUREXEC(), SCIP_OKAY, SCIPfindObjHeur(), SCIPgetObjHeur(), and SCIPincludeObjHeur().

◆ SCIP_DECL_HEUREXEC()

virtual scip::ObjHeur::SCIP_DECL_HEUREXEC ( scip_exec )

pure virtual

execution method of primal heuristic

See also: SCIP_DECL_HEUREXEC(x) in type_heur.h

Implemented in tsp::Heur2opt, tsp::HeurFrats, and tsp::HeurFarthestInsert.

Referenced by SCIP_DECL_HEUREXITSOL().

Field Documentation

◆ scip_

SCIP* scip::ObjHeur::scip_

SCIP data structure

Definition at line 59 of file objheur.h.

◆ scip_name_

char* scip::ObjHeur::scip_name_

name of the primal heuristic

Definition at line 62 of file objheur.h.

Referenced by SCIPincludeObjHeur().

◆ scip_desc_

char* scip::ObjHeur::scip_desc_

description of the primal heuristic

Definition at line 65 of file objheur.h.

Referenced by SCIPincludeObjHeur().

◆ scip_dispchar_

const char scip::ObjHeur::scip_dispchar_

display character of primal heuristic

Definition at line 68 of file objheur.h.

Referenced by SCIPincludeObjHeur().

◆ scip_priority_

const int scip::ObjHeur::scip_priority_

default priority of the primal heuristic

Definition at line 71 of file objheur.h.

Referenced by SCIPincludeObjHeur().

◆ scip_freq_

const int scip::ObjHeur::scip_freq_

frequency for calling primal heuristic

Definition at line 74 of file objheur.h.

Referenced by SCIPincludeObjHeur().

◆ scip_freqofs_

const int scip::ObjHeur::scip_freqofs_

frequency offset for calling primal heuristic

Definition at line 77 of file objheur.h.

Referenced by SCIPincludeObjHeur().

◆ scip_maxdepth_

const int scip::ObjHeur::scip_maxdepth_

maximal depth level to call heuristic at (-1: no limit)

Definition at line 80 of file objheur.h.

Referenced by SCIPincludeObjHeur().

◆ scip_timingmask_

const SCIP_HEURTIMING scip::ObjHeur::scip_timingmask_

positions in the node solving loop where heuristic should be executed

Definition at line 83 of file objheur.h.

Referenced by SCIPincludeObjHeur().

◆ scip_usessubscip_

const SCIP_Bool scip::ObjHeur::scip_usessubscip_

does the heuristic use a secondary SCIP instance?

Definition at line 86 of file objheur.h.

Referenced by SCIPincludeObjHeur().

SCIP

Detailed Description

Public Member Functions

Data Fields

Constructor & Destructor Documentation

◆ ObjHeur() [1/3]

◆ ObjHeur() [2/3]

◆ ObjHeur() [3/3]

◆ ~ObjHeur()

Member Function Documentation

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ SCIP_DECL_HEURFREE()

◆ SCIP_DECL_HEURINIT()

◆ SCIP_DECL_HEUREXIT()

◆ SCIP_DECL_HEURINITSOL()

◆ SCIP_DECL_HEUREXITSOL()

◆ SCIP_DECL_HEUREXEC()

Field Documentation

◆ scip_

◆ scip_name_

◆ scip_desc_

◆ scip_dispchar_

◆ scip_priority_

◆ scip_freq_

◆ scip_freqofs_

◆ scip_maxdepth_

◆ scip_timingmask_

◆ scip_usessubscip_