Detailed Description

public methods for branching rules

Author: Tobias Achterberg

Definition in file pub_branch.h.

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

Functions
	SCIP_DECL_SORTPTRCOMP (SCIPbranchruleComp)

	SCIP_DECL_SORTPTRCOMP (SCIPbranchruleCompName)

SCIP_BRANCHRULEDATA *	SCIPbranchruleGetData (SCIP_BRANCHRULE *branchrule)

void	SCIPbranchruleSetData (SCIP_BRANCHRULE branchrule, SCIP_BRANCHRULEDATA branchruledata)

const char *	SCIPbranchruleGetName (SCIP_BRANCHRULE *branchrule)

const char *	SCIPbranchruleGetDesc (SCIP_BRANCHRULE *branchrule)

int	SCIPbranchruleGetPriority (SCIP_BRANCHRULE *branchrule)

int	SCIPbranchruleGetMaxdepth (SCIP_BRANCHRULE *branchrule)

SCIP_Real	SCIPbranchruleGetMaxbounddist (SCIP_BRANCHRULE *branchrule)

SCIP_Real	SCIPbranchruleGetSetupTime (SCIP_BRANCHRULE *branchrule)

SCIP_Real	SCIPbranchruleGetTime (SCIP_BRANCHRULE *branchrule)

SCIP_Longint	SCIPbranchruleGetNLPCalls (SCIP_BRANCHRULE *branchrule)

SCIP_Longint	SCIPbranchruleGetNExternCalls (SCIP_BRANCHRULE *branchrule)

SCIP_Longint	SCIPbranchruleGetNPseudoCalls (SCIP_BRANCHRULE *branchrule)

SCIP_Longint	SCIPbranchruleGetNCutoffs (SCIP_BRANCHRULE *branchrule)

SCIP_Longint	SCIPbranchruleGetNCutsFound (SCIP_BRANCHRULE *branchrule)

SCIP_Longint	SCIPbranchruleGetNConssFound (SCIP_BRANCHRULE *branchrule)

SCIP_Longint	SCIPbranchruleGetNDomredsFound (SCIP_BRANCHRULE *branchrule)

SCIP_Longint	SCIPbranchruleGetNChildren (SCIP_BRANCHRULE *branchrule)

SCIP_Bool	SCIPbranchruleIsInitialized (SCIP_BRANCHRULE *branchrule)

Function Documentation

SCIP_DECL_SORTPTRCOMP ( SCIPbranchruleComp )

compares two branching rules w. r. to their priority

Definition at line 1166 of file branch.c.

SCIP_DECL_SORTPTRCOMP ( SCIPbranchruleCompName )

comparison method for sorting branching rules w.r.t. to their name

Definition at line 1172 of file branch.c.

References SCIPbranchruleGetName().

SCIP_BRANCHRULEDATA* SCIPbranchruleGetData ( SCIP_BRANCHRULE * branchrule )

gets user data of branching rule

Parameters

branchrule branching rule

Definition at line 1721 of file branch.c.

References SCIP_Branchrule::branchruledata, and NULL.

Referenced by applyBdchgs(), branch(), execRelpscost(), SCIP_DECL_BRANCHCOPY(), SCIP_DECL_BRANCHEXECEXT(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_BRANCHEXECPS(), SCIP_DECL_BRANCHEXIT(), SCIP_DECL_BRANCHEXITSOL(), SCIP_DECL_BRANCHFREE(), SCIP_DECL_BRANCHINIT(), SCIP_DECL_BRANCHINITSOL(), SCIPfindObjBranchrule(), SCIPgetObjBranchrule(), SCIPselectVarPseudoStrongBranching(), SCIPselectVarStrongBranching(), and selectBranchVar().

void SCIPbranchruleSetData	(	SCIP_BRANCHRULE *	branchrule,
		SCIP_BRANCHRULEDATA *	branchruledata
	)

sets user data of branching rule; user has to free old data in advance!

Parameters

branchrule	branching rule
branchruledata	new branching rule user data

Definition at line 1731 of file branch.c.

References SCIP_Branchrule::branchruledata, and NULL.

Referenced by SCIP_DECL_BRANCHFREE().

const char* SCIPbranchruleGetName ( SCIP_BRANCHRULE * branchrule )

gets name of branching rule

Parameters

branchrule branching rule

Definition at line 1843 of file branch.c.

References SCIP_Branchrule::name, and NULL.

Referenced by branch(), printBranchruleStatistics(), SCIP_DECL_BRANCHCOPY(), SCIP_DECL_BRANCHEXECEXT(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_BRANCHEXECPS(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_SORTPTRCOMP(), SCIPbranchruleCopyInclude(), SCIPincludeDialogDefaultFix(), SCIPincludeDialogDefaultSet(), and SCIPsetFindBranchrule().

const char* SCIPbranchruleGetDesc ( SCIP_BRANCHRULE * branchrule )

gets description of branching rule

Parameters

branchrule branching rule

Definition at line 1853 of file branch.c.

References SCIP_Branchrule::desc, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC(), SCIPincludeDialogDefaultFix(), and SCIPincludeDialogDefaultSet().

int SCIPbranchruleGetPriority ( SCIP_BRANCHRULE * branchrule )

gets priority of branching rule

Parameters

branchrule branching rule

Definition at line 1863 of file branch.c.

References NULL, and SCIP_Branchrule::priority.

Referenced by SCIP_DECL_DIALOGEXEC().

int SCIPbranchruleGetMaxdepth ( SCIP_BRANCHRULE * branchrule )

gets maximal depth level, up to which this branching rule should be used (-1 for no limit)

Parameters

branchrule branching rule

Definition at line 1887 of file branch.c.

References SCIP_Branchrule::maxdepth, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC().

SCIP_Real SCIPbranchruleGetMaxbounddist ( SCIP_BRANCHRULE * branchrule )

gets maximal relative distance from current node's dual bound to primal bound for applying branching rule

Parameters

branchrule branching rule

Definition at line 1909 of file branch.c.

References SCIP_Branchrule::maxbounddist, and NULL.

Referenced by SCIP_DECL_DIALOGEXEC().

SCIP_Real SCIPbranchruleGetSetupTime ( SCIP_BRANCHRULE * branchrule )

gets time in seconds used in this branching rule for setting up for next stages

Parameters

branchrule branching rule

Definition at line 1931 of file branch.c.

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

Referenced by printBranchruleStatistics().

SCIP_Real SCIPbranchruleGetTime ( SCIP_BRANCHRULE * branchrule )

gets time in seconds used in this branching rule

Parameters

branchrule branching rule

Definition at line 1941 of file branch.c.

References SCIP_Branchrule::branchclock, NULL, and SCIPclockGetTime().

Referenced by printBranchruleStatistics().

SCIP_Longint SCIPbranchruleGetNLPCalls ( SCIP_BRANCHRULE * branchrule )

gets the total number of times, the branching rule was called on an LP solution

Parameters

branchrule branching rule

Definition at line 1951 of file branch.c.

References SCIP_Branchrule::nlpcalls, and NULL.

Referenced by printBranchruleStatistics().

SCIP_Longint SCIPbranchruleGetNExternCalls ( SCIP_BRANCHRULE * branchrule )

gets the total number of times, the branching rule was called on external candidates

gets the total number of times, the branching rule was called on an external solution

Parameters

branchrule branching rule

Definition at line 1961 of file branch.c.

References SCIP_Branchrule::nexterncalls, and NULL.

Referenced by printBranchruleStatistics().

SCIP_Longint SCIPbranchruleGetNPseudoCalls ( SCIP_BRANCHRULE * branchrule )

gets the total number of times, the branching rule was called on a pseudo solution

Parameters

branchrule branching rule

Definition at line 1971 of file branch.c.

References SCIP_Branchrule::npseudocalls, and NULL.

Referenced by printBranchruleStatistics().

SCIP_Longint SCIPbranchruleGetNCutoffs ( SCIP_BRANCHRULE * branchrule )

gets the total number of times, the branching rule detected a cutoff

Parameters

branchrule branching rule

Definition at line 1981 of file branch.c.

References SCIP_Branchrule::ncutoffs, and NULL.

Referenced by printBranchruleStatistics().

SCIP_Longint SCIPbranchruleGetNCutsFound ( SCIP_BRANCHRULE * branchrule )

gets the total number of cuts, the branching rule separated

Parameters

branchrule branching rule

Definition at line 1991 of file branch.c.

References SCIP_Branchrule::ncutsfound, and NULL.

Referenced by printBranchruleStatistics().

SCIP_Longint SCIPbranchruleGetNConssFound ( SCIP_BRANCHRULE * branchrule )

gets the total number of constraints, the branching rule added to the respective local nodes (not counting constraints that were added to the child nodes as branching decisions)

Parameters

branchrule branching rule

Definition at line 2003 of file branch.c.

References SCIP_Branchrule::nconssfound, and NULL.

Referenced by printBranchruleStatistics().

SCIP_Longint SCIPbranchruleGetNDomredsFound ( SCIP_BRANCHRULE * branchrule )

gets the total number of domain reductions, the branching rule found

Parameters

branchrule branching rule

Definition at line 2013 of file branch.c.

References SCIP_Branchrule::ndomredsfound, and NULL.

Referenced by printBranchruleStatistics().