SCIP

Solving Constraint Integer Programs

Detailed Description

public methods for relaxation handlers

Author: Tobias Achterberg

Definition in file pub_relax.h.

#include "scip/def.h"
#include "scip/type_misc.h"
#include "scip/type_relax.h"

Go to the source code of this file.

Functions
	SCIP_DECL_SORTPTRCOMP (SCIPrelaxComp)

	SCIP_DECL_SORTPTRCOMP (SCIPrelaxCompName)

SCIP_RELAXDATA *	SCIPrelaxGetData (SCIP_RELAX *relax)

void	SCIPrelaxSetData (SCIP_RELAX relax, SCIP_RELAXDATA relaxdata)

const char *	SCIPrelaxGetName (SCIP_RELAX *relax)

const char *	SCIPrelaxGetDesc (SCIP_RELAX *relax)

int	SCIPrelaxGetPriority (SCIP_RELAX *relax)

int	SCIPrelaxGetFreq (SCIP_RELAX *relax)

SCIP_Real	SCIPrelaxGetSetupTime (SCIP_RELAX *relax)

SCIP_Real	SCIPrelaxGetTime (SCIP_RELAX *relax)

SCIP_Longint	SCIPrelaxGetNCalls (SCIP_RELAX *relax)

SCIP_Bool	SCIPrelaxIsInitialized (SCIP_RELAX *relax)

void	SCIPrelaxMarkUnsolved (SCIP_RELAX *relax)

Function Documentation

SCIP_DECL_SORTPTRCOMP ( SCIPrelaxComp )

compares two relaxation handlers w. r. to their priority

Definition at line 42 of file relax.c.

SCIP_DECL_SORTPTRCOMP ( SCIPrelaxCompName )

comparison method for sorting relaxators w.r.t. to their name

Definition at line 48 of file relax.c.

References SCIPrelaxGetName().

SCIP_RELAXDATA* SCIPrelaxGetData ( SCIP_RELAX * relax )

gets user data of relaxation handler

Parameters

relax relaxation handler

Definition at line 354 of file relax.c.

References NULL, and SCIP_Relax::relaxdata.

Referenced by SCIP_DECL_RELAXCOPY(), SCIP_DECL_RELAXEXEC(), SCIP_DECL_RELAXEXIT(), SCIP_DECL_RELAXEXITSOL(), SCIP_DECL_RELAXFREE(), SCIP_DECL_RELAXINIT(), SCIP_DECL_RELAXINITSOL(), SCIPfindObjRelax(), and SCIPgetObjRelax().

void SCIPrelaxSetData	(	SCIP_RELAX *	relax,
		SCIP_RELAXDATA *	relaxdata
	)

sets user data of relaxation handler; user has to free old data in advance!

Parameters

relax	relaxation handler
relaxdata	new relaxation handler user data

Definition at line 364 of file relax.c.

References NULL, and SCIP_Relax::relaxdata.

Referenced by SCIP_DECL_RELAXFREE().

const char* SCIPrelaxGetName ( SCIP_RELAX * relax )

gets name of relaxation handler

Parameters

relax relaxation handler

Definition at line 441 of file relax.c.

References SCIP_Relax::name, and NULL.

Referenced by printRelaxatorStatistics(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_SORTPTRCOMP(), SCIPrelaxCopyInclude(), SCIPsetSortPresols(), and solveNodeRelax().

const char* SCIPrelaxGetDesc ( SCIP_RELAX * relax )

gets description of relaxation handler

Parameters

relax relaxation handler

Definition at line 451 of file relax.c.

References SCIP_Relax::desc, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC().

int SCIPrelaxGetPriority ( SCIP_RELAX * relax )

gets priority of relaxation handler

Parameters

relax relaxation handler

Definition at line 461 of file relax.c.

References NULL, and SCIP_Relax::priority.

Referenced by SCIP_DECL_DIALOGEXEC(), and solveNodeRelax().

int SCIPrelaxGetFreq ( SCIP_RELAX * relax )

gets frequency of relaxation handler

Parameters

relax relaxation handler

Definition at line 485 of file relax.c.

References SCIP_Relax::freq, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC().

SCIP_Real SCIPrelaxGetSetupTime ( SCIP_RELAX * relax )

gets time in seconds used in this relaxator for setting up for next stages

Parameters

relax relaxator

Definition at line 495 of file relax.c.

References NULL, SCIPclockGetTime(), and SCIP_Relax::setuptime.

SCIP_Real SCIPrelaxGetTime ( SCIP_RELAX * relax )

gets time in seconds used in this relaxation handler

Parameters

relax relaxation handler

Definition at line 517 of file relax.c.

References NULL, SCIP_Relax::relaxclock, and SCIPclockGetTime().

Referenced by printRelaxatorStatistics().

SCIP_Longint SCIPrelaxGetNCalls ( SCIP_RELAX * relax )

gets the total number of times, the relaxation handler was called

Parameters

relax relaxation handler

Definition at line 527 of file relax.c.

References SCIP_Relax::ncalls, and NULL.

Referenced by printRelaxatorStatistics().

SCIP_Bool SCIPrelaxIsInitialized ( SCIP_RELAX * relax )

is relaxation handler initialized?

Parameters

relax relaxation handler

Definition at line 537 of file relax.c.

References SCIP_Relax::initialized, and NULL.

Referenced by SCIPsetFindPresol().

void SCIPrelaxMarkUnsolved ( SCIP_RELAX * relax )

marks the current relaxation unsolved, s.t. the relaxation handler is called again in the next solving round

Parameters

relax relaxation handler

Definition at line 559 of file relax.c.

References SCIP_Relax::lastsolvednode, and NULL.

Referenced by markRelaxsUnsolved(), and SCIPrelaxExec().