nodesel_restartdfs.c File Reference

Detailed Description

node selector for depth first search with periodical selection of the best node

Author

Tobias Achterberg

Stefan Heinz

Definition in file nodesel_restartdfs.c.

#include "scip/nodesel_restartdfs.h"
#include "scip/pub_message.h"
#include "scip/pub_nodesel.h"
#include "scip/pub_tree.h"
#include "scip/scip_mem.h"
#include "scip/scip_nodesel.h"
#include "scip/scip_param.h"
#include "scip/scip_solvingstats.h"
#include "scip/scip_tree.h"
#include <string.h>

Go to the source code of this file.

Macros
#define	NODESEL_NAME   "restartdfs"
#define	NODESEL_DESC   "depth first search with periodical selection of the best node"
#define	NODESEL_STDPRIORITY   10000
#define	NODESEL_MEMSAVEPRIORITY   50000
#define	SELECTBESTFREQ   100
#define	COUNTONLYLEAVES   TRUE

Functions
static	SCIP_DECL_NODESELCOPY (nodeselCopyRestartdfs)
static	SCIP_DECL_NODESELFREE (nodeselFreeRestartdfs)
static	SCIP_DECL_NODESELINITSOL (nodeselInitsolRestartdfs)
static	SCIP_DECL_NODESELSELECT (nodeselSelectRestartdfs)
static	SCIP_DECL_NODESELCOMP (nodeselCompRestartdfs)
SCIP_RETCODE	SCIPincludeNodeselRestartdfs (SCIP *scip)

Macro Definition Documentation

NODESEL_NAME

#define NODESEL_NAME   "restartdfs"

Definition at line 45 of file nodesel_restartdfs.c.

NODESEL_DESC

#define NODESEL_DESC   "depth first search with periodical selection of the best node"

Definition at line 46 of file nodesel_restartdfs.c.

NODESEL_STDPRIORITY

#define NODESEL_STDPRIORITY   10000

Definition at line 47 of file nodesel_restartdfs.c.

NODESEL_MEMSAVEPRIORITY

#define NODESEL_MEMSAVEPRIORITY   50000

Definition at line 48 of file nodesel_restartdfs.c.

SELECTBESTFREQ

#define SELECTBESTFREQ   100

frequency for selecting the best node instead of the deepest one

Definition at line 55 of file nodesel_restartdfs.c.

COUNTONLYLEAVES

#define COUNTONLYLEAVES   TRUE

only count leaf nodes or all nodes

Definition at line 56 of file nodesel_restartdfs.c.

Function Documentation

SCIP_DECL_NODESELCOPY()

static SCIP_DECL_NODESELCOPY ( nodeselCopyRestartdfs  )

static

copy method for node selector plugins (called when SCIP copies plugins)

Definition at line 75 of file nodesel_restartdfs.c.

References NODESEL_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPincludeNodeselRestartdfs(), and SCIPnodeselGetName().

SCIP_DECL_NODESELFREE()

static SCIP_DECL_NODESELFREE ( nodeselFreeRestartdfs  )

static

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

Definition at line 89 of file nodesel_restartdfs.c.

References NODESEL_NAME, NULL, SCIP_OKAY, SCIPfreeBlockMemory, SCIPnodeselGetData(), SCIPnodeselGetName(), and SCIPnodeselSetData().

SCIP_DECL_NODESELINITSOL()

static SCIP_DECL_NODESELINITSOL ( nodeselInitsolRestartdfs  )

static

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

Definition at line 107 of file nodesel_restartdfs.c.

References NODESEL_NAME, NULL, SCIP_OKAY, SCIPnodeselGetData(), and SCIPnodeselGetName().

SCIP_DECL_NODESELSELECT()

static SCIP_DECL_NODESELSELECT ( nodeselSelectRestartdfs  )

static

node selection method of node selector

Definition at line 126 of file nodesel_restartdfs.c.

References nnodes, NODESEL_NAME, NULL, SCIP_Longint, SCIP_OKAY, SCIPgetBestboundNode(), SCIPgetBestLeaf(), SCIPgetNNodes(), SCIPgetPrioChild(), SCIPgetPrioSibling(), SCIPnodeselGetData(), and SCIPnodeselGetName().

SCIP_DECL_NODESELCOMP()

static SCIP_DECL_NODESELCOMP ( nodeselCompRestartdfs  )

static

node comparison method of node selector

Definition at line 171 of file nodesel_restartdfs.c.

References SCIPnodeGetNumber().