event_relaxsol.c File Reference

Detailed Description

eventhandler to update the relaxation solution in the original problem when the master LP has been solved

Author

Christian Puchert

Definition in file event_relaxsol.c.

#include <string.h>
#include "event_relaxsol.h"
#include "relax_gcg.h"
#include "pricer_gcg.h"
#include "gcg.h"
#include "event_mastersol.h"

Go to the source code of this file.

Data Structures
struct	SCIP_EventhdlrData

Macros
#define	EVENTHDLR_NAME   "relaxsol"
#define	EVENTHDLR_DESC   "eventhandler to update the relaxation solution in the original problem when the master LP has been solved"

Functions
static	SCIP_DECL_EVENTFREE (eventFreeRelaxsol)
static	SCIP_DECL_EVENTINIT (eventInitRelaxsol)
static	SCIP_DECL_EVENTEXIT (eventExitRelaxsol)
static	SCIP_DECL_EVENTEXEC (eventExecRelaxsol)
SCIP_RETCODE	SCIPincludeEventHdlrRelaxsol (SCIP *scip)
SCIP_Bool	GCGeventhdlrRelaxsolIsTriggered (SCIP *scip, SCIP *masterprob)

Macro Definition Documentation

EVENTHDLR_NAME

#define EVENTHDLR_NAME   "relaxsol"

Definition at line 42 of file event_relaxsol.c.

EVENTHDLR_DESC

#define EVENTHDLR_DESC   "eventhandler to update the relaxation solution in the original problem when the master LP has been solved"

Definition at line 43 of file event_relaxsol.c.

Function Documentation

SCIP_DECL_EVENTFREE()

static SCIP_DECL_EVENTFREE ( eventFreeRelaxsol  )

static

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

Definition at line 63 of file event_relaxsol.c.

References EVENTHDLR_NAME.

SCIP_DECL_EVENTINIT()

static SCIP_DECL_EVENTINIT ( eventInitRelaxsol  )

static

initialization method of event handler (called after problem was transformed)

Definition at line 82 of file event_relaxsol.c.

SCIP_DECL_EVENTEXIT()

static SCIP_DECL_EVENTEXIT ( eventExitRelaxsol  )

static

deinitialization method of event handler (called before transformed problem is freed)

Definition at line 98 of file event_relaxsol.c.

SCIP_DECL_EVENTEXEC()

static SCIP_DECL_EVENTEXEC ( eventExecRelaxsol  )

static

execution method of event handler

Definition at line 109 of file event_relaxsol.c.

References GCGeventhdlrMastersolIsTriggered(), GCGmasterGetOrigprob(), GCGrelaxUpdateCurrentSol(), and GCGtransformMastersolToOrigsol().

SCIPincludeEventHdlrRelaxsol()

SCIP_RETCODE SCIPincludeEventHdlrRelaxsol

(

SCIP *

scip

)

creates event handler for relaxsol event

Parameters

scip	SCIP data structure

Definition at line 157 of file event_relaxsol.c.

References EVENTHDLR_DESC, and EVENTHDLR_NAME.

Referenced by GCGincludeMasterPlugins().

GCGeventhdlrRelaxsolIsTriggered()

SCIP_Bool GCGeventhdlrRelaxsolIsTriggered	(	SCIP *	scip,
		SCIP *	masterprob
	)

return whether event has been triggered

Parameters

scip	SCIP data structure
masterprob	the SCIP data structure for the master problem

Definition at line 183 of file event_relaxsol.c.

References DEC_DECMODE_BENDERS, DEC_DECMODE_ORIGINAL, EVENTHDLR_NAME, and GCGgetDecompositionMode().

Referenced by SCIP_DECL_EVENTEXEC().