sepa_edge.c File Reference

Detailed Description

edge-separator. Separates triangle-inequalities in cycle clustering problem

Author

Leon Eifler

Definition in file sepa_edge.c.

#include <assert.h>
#include <string.h>
#include "sepa_edge.h"
#include "probdata_cyc.h"
#include "scip/cutsel_hybrid.h"

Go to the source code of this file.

Macros
#define	SEPA_NAME   "edge"
#define	SEPA_DESC   "separator to separate triangle-inequalities in cycle-clustering application"
#define	SEPA_PRIORITY   5000
#define	SEPA_FREQ   5
#define	SEPA_MAXBOUNDDIST   0.0
#define	SEPA_USESSUBSCIP   FALSE
#define	SEPA_DELAY   FALSE
#define	MAXCUTS   2000
#define	MAXCUTSCREATED   10000
#define	MAXROUNDS   20

Functions
static	SCIP_DECL_SEPACOPY (sepaCopyEdge)
static	SCIP_DECL_SEPAEXECLP (sepaExeclpEdge)
SCIP_RETCODE	SCIPincludeSepaEdge (SCIP *scip)

Macro Definition Documentation

SEPA_NAME

#define SEPA_NAME   "edge"

Definition at line 30 of file sepa_edge.c.

Referenced by SCIP_DECL_SEPACOPY(), and SCIPincludeSepaEdge().

SEPA_DESC

#define SEPA_DESC   "separator to separate triangle-inequalities in cycle-clustering application"

Definition at line 31 of file sepa_edge.c.

Referenced by SCIPincludeSepaEdge().

SEPA_PRIORITY

#define SEPA_PRIORITY   5000

Definition at line 32 of file sepa_edge.c.

Referenced by SCIPincludeSepaEdge().

SEPA_FREQ

#define SEPA_FREQ   5

Definition at line 33 of file sepa_edge.c.

Referenced by SCIPincludeSepaEdge().

SEPA_MAXBOUNDDIST

#define SEPA_MAXBOUNDDIST   0.0

Definition at line 34 of file sepa_edge.c.

Referenced by SCIPincludeSepaEdge().

SEPA_USESSUBSCIP

#define SEPA_USESSUBSCIP   FALSE

does the separator use a secondary SCIP instance?

Definition at line 35 of file sepa_edge.c.

Referenced by SCIPincludeSepaEdge().

SEPA_DELAY

#define SEPA_DELAY   FALSE

should separation method be delayed, if other separators found cuts?

Definition at line 36 of file sepa_edge.c.

Referenced by SCIPincludeSepaEdge().

MAXCUTS

#define MAXCUTS   2000

maximal number of cuts that can be added to cut pool

Definition at line 37 of file sepa_edge.c.

Referenced by SCIP_DECL_SEPAEXECLP().

MAXCUTSCREATED

#define MAXCUTSCREATED   10000

maximal number of cuts to select from

Definition at line 38 of file sepa_edge.c.

Referenced by SCIP_DECL_SEPAEXECLP().

MAXROUNDS

#define MAXROUNDS   20

Definition at line 39 of file sepa_edge.c.

Referenced by SCIP_DECL_SEPAEXECLP().

Function Documentation

SCIP_DECL_SEPACOPY()

static SCIP_DECL_SEPACOPY ( sepaCopyEdge  )

static

copy method for separator plugins (called when SCIP copies plugins)

Definition at line 43 of file sepa_edge.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPincludeSepaEdge(), SCIPsepaGetName(), and SEPA_NAME.

SCIP_DECL_SEPAEXECLP()

static SCIP_DECL_SEPAEXECLP ( sepaExeclpEdge  )

static

LP solution separation method of separator

Definition at line 57 of file sepa_edge.c.

References edgesExist(), FALSE, getEdgevar(), MAXCUTS, MAXCUTSCREATED, MAXROUNDS, NULL, SCIP_Bool, SCIP_CALL, SCIP_DIDNOTFIND, SCIP_DIDNOTRUN, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_Real, SCIP_SEPARATED, SCIPaddPoolCut(), SCIPaddVarToRow(), SCIPallocBufferArray, SCIPallocClearBufferArray, SCIPallocClearMemoryArray, SCIPallocMemoryArray, SCIPcacheRowExtensions(), SCIPcreateEmptyRowSepa(), SCIPcycGetEdgeGraph(), SCIPcycGetEdgevars(), SCIPcycGetNBins(), SCIPcycGetNCluster(), SCIPdigraphGetNSuccessors(), SCIPdigraphGetSuccessors(), SCIPflushRowExtensions(), SCIPfreeBufferArray, SCIPfreeMemoryArray, SCIPgetBoolParam(), SCIPgetRealParam(), SCIPinfinity(), SCIPreallocBufferArray, SCIPreleaseRow(), SCIPselectCutsHybrid(), SCIPsepaGetNCallsAtNode(), SCIPsnprintf(), SCIPsortDownRealPtr(), SCIPvarGetLPSol(), and TRUE.

SCIPincludeSepaEdge()

SCIP_RETCODE SCIPincludeSepaEdge

(

SCIP *

scip

)

creates the Edge separator and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 363 of file sepa_edge.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPincludeSepaBasic(), SCIPsetSepaCopy(), SEPA_DELAY, SEPA_DESC, SEPA_FREQ, SEPA_MAXBOUNDDIST, SEPA_NAME, SEPA_PRIORITY, and SEPA_USESSUBSCIP.

Referenced by SCIP_DECL_SEPACOPY(), and SCIPincludeCycPlugins().