SCIP_Branchrule Struct Reference

Detailed Description

branching rule

Definition at line 68 of file struct_branch.h.

#include <struct_branch.h>

Public Member Functions
	SCIP_DECL_BRANCHCOPY ((*branchcopy))
	SCIP_DECL_BRANCHFREE ((*branchfree))
	SCIP_DECL_BRANCHINIT ((*branchinit))
	SCIP_DECL_BRANCHEXIT ((*branchexit))
	SCIP_DECL_BRANCHINITSOL ((*branchinitsol))
	SCIP_DECL_BRANCHEXITSOL ((*branchexitsol))
	SCIP_DECL_BRANCHEXECLP ((*branchexeclp))
	SCIP_DECL_BRANCHEXECEXT ((*branchexecext))
	SCIP_DECL_BRANCHEXECPS ((*branchexecps))

Data Fields
SCIP_Real	maxbounddist
SCIP_Longint	nlpcalls
SCIP_Longint	nexterncalls
SCIP_Longint	npseudocalls
SCIP_Longint	ncutoffs
SCIP_Longint	ncutsfound
SCIP_Longint	nconssfound
SCIP_Longint	ndomredsfound
SCIP_Longint	nchildren
char *	name
char *	desc
SCIP_BRANCHRULEDATA *	branchruledata
SCIP_CLOCK *	setuptime
SCIP_CLOCK *	branchclock
int	priority
int	maxdepth
SCIP_Bool	initialized
SCIP_Bool	isobjbranchrule

Member Function Documentation

SCIP_Branchrule::SCIP_DECL_BRANCHCOPY

(

*

branchcopy

)

copy method of branching rule or NULL if you don't want to copy your plugin into sub-SCIPs

SCIP_Branchrule::SCIP_DECL_BRANCHFREE

(

*

branchfree

)

destructor of branching rule

SCIP_Branchrule::SCIP_DECL_BRANCHINIT

(

*

branchinit

)

initialize branching rule

SCIP_Branchrule::SCIP_DECL_BRANCHEXIT

(

*

branchexit

)

deinitialize branching rule

SCIP_Branchrule::SCIP_DECL_BRANCHINITSOL

(

*

branchinitsol

)

solving process initialization method of branching rule

SCIP_Branchrule::SCIP_DECL_BRANCHEXITSOL

(

*

branchexitsol

)

solving process deinitialization method of branching rule

SCIP_Branchrule::SCIP_DECL_BRANCHEXECLP

(

*

branchexeclp

)

branching execution method for fractional LP solutions

SCIP_Branchrule::SCIP_DECL_BRANCHEXECEXT

(

*

branchexecext

)

branching execution method for external candidates

SCIP_Branchrule::SCIP_DECL_BRANCHEXECPS

(

*

branchexecps

)

branching execution method for not completely fixed pseudo solutions

Field Documentation

SCIP_Real SCIP_Branchrule::maxbounddist

maximal relative distance from current node's dual bound to primal bound compared to best node's dual bound for applying branching rule (0.0: only on current best node, 1.0: on all nodes)

Definition at line 70 of file struct_branch.h.

Referenced by SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleExecPseudoSol(), SCIPbranchruleGetMaxbounddist(), and SCIPbranchruleSetMaxbounddist().

SCIP_Longint SCIP_Branchrule::nlpcalls

number of times, this branching rule was called on an LP solution

Definition at line 73 of file struct_branch.h.

Referenced by SCIPbranchruleExecLPSol(), SCIPbranchruleGetNLPCalls(), and SCIPbranchruleInit().

SCIP_Longint SCIP_Branchrule::nexterncalls

number of times, this branching rule was called on external candidates

Definition at line 74 of file struct_branch.h.

Referenced by SCIPbranchruleExecExternSol(), SCIPbranchruleGetNExternCalls(), and SCIPbranchruleInit().

SCIP_Longint SCIP_Branchrule::npseudocalls

number of times, this branching rule was called on a pseudo solution

Definition at line 75 of file struct_branch.h.

Referenced by SCIPbranchruleExecPseudoSol(), SCIPbranchruleGetNPseudoCalls(), and SCIPbranchruleInit().

SCIP_Longint SCIP_Branchrule::ncutoffs

number of cutoffs found so far by this branching rule

Definition at line 76 of file struct_branch.h.

Referenced by SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleExecPseudoSol(), SCIPbranchruleGetNCutoffs(), and SCIPbranchruleInit().

SCIP_Longint SCIP_Branchrule::ncutsfound

number of cutting planes found so far by this branching rule

Definition at line 77 of file struct_branch.h.

Referenced by SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleGetNCutsFound(), and SCIPbranchruleInit().

SCIP_Longint SCIP_Branchrule::nconssfound

number of cutting constraints added so far by this branching rule (not counting constraint additions to child nodes used for branching)

Definition at line 78 of file struct_branch.h.

Referenced by SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleExecPseudoSol(), SCIPbranchruleGetNConssFound(), and SCIPbranchruleInit().

SCIP_Longint SCIP_Branchrule::ndomredsfound

number of domain reductions found so far by this branching rule

Definition at line 80 of file struct_branch.h.

Referenced by SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleExecPseudoSol(), SCIPbranchruleGetNDomredsFound(), and SCIPbranchruleInit().

SCIP_Longint SCIP_Branchrule::nchildren

number of children created so far by this branching rule

Definition at line 81 of file struct_branch.h.

Referenced by SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleExecPseudoSol(), SCIPbranchruleGetNChildren(), and SCIPbranchruleInit().

char* SCIP_Branchrule::name

name of branching rule

Definition at line 82 of file struct_branch.h.

Referenced by SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleExecPseudoSol(), SCIPbranchruleExit(), SCIPbranchruleGetName(), and SCIPbranchruleInit().

char* SCIP_Branchrule::desc

description of branching rule

Definition at line 83 of file struct_branch.h.

Referenced by SCIPbranchruleGetDesc().

SCIP_BRANCHRULEDATA* SCIP_Branchrule::branchruledata

branching rule data

Definition at line 93 of file struct_branch.h.

Referenced by SCIPbranchruleGetData(), and SCIPbranchruleSetData().

SCIP_CLOCK* SCIP_Branchrule::setuptime

time spend for setting up this branchrule for the next stages

Definition at line 94 of file struct_branch.h.

Referenced by SCIPbranchruleExit(), SCIPbranchruleExitsol(), SCIPbranchruleGetSetupTime(), SCIPbranchruleInit(), and SCIPbranchruleInitsol().

SCIP_CLOCK* SCIP_Branchrule::branchclock

branching rule execution time

Definition at line 95 of file struct_branch.h.

Referenced by SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleExecPseudoSol(), SCIPbranchruleGetTime(), and SCIPbranchruleInit().

int SCIP_Branchrule::priority

priority of the branching rule

Definition at line 96 of file struct_branch.h.

Referenced by SCIPbranchruleGetPriority(), and SCIPbranchruleSetPriority().

int SCIP_Branchrule::maxdepth

maximal depth level, up to which this branching rule should be used (or -1)

Definition at line 97 of file struct_branch.h.

Referenced by SCIPbranchruleExecExternSol(), SCIPbranchruleExecLPSol(), SCIPbranchruleExecPseudoSol(), SCIPbranchruleGetMaxdepth(), and SCIPbranchruleSetMaxdepth().

SCIP_Bool SCIP_Branchrule::initialized

is branching rule initialized?

Definition at line 98 of file struct_branch.h.

Referenced by SCIPbranchruleExit(), SCIPbranchruleInit(), and SCIPbranchruleIsInitialized().

SCIP_Bool SCIP_Branchrule::isobjbranchrule

is branching rule an obj branching rule?

Definition at line 99 of file struct_branch.h.