PERSISTENTDATA Struct Reference

Detailed Description

The data that is preserved over multiple runs of the branching rule.

Definition at line 976 of file branch_lookahead.c.

Data Fields
BRANCHINGDECISION *	olddecision
SCIP_Longint	oldnnodelpiterations
SCIP_Longint	oldnnodelps
SCIP_Longint	oldntotalnodes
SCIP_Longint *	lastbranchid
SCIP_Longint *	lastbranchnlps
SCIP_Real *	lastbranchlpobjval
BRANCHINGRESULTDATA **	lastbranchupres
BRANCHINGRESULTDATA **	lastbranchdownres
int	restartindex
int	nvars

Field Documentation

olddecision

BRANCHINGDECISION* PERSISTENTDATA::olddecision

The previous decision that gets used for the case that in the previous run only non-violating implicit binary constraints were added.

Definition at line 978 of file branch_lookahead.c.

Referenced by isUsePreviousResult(), and selectVarStart().

oldnnodelpiterations

SCIP_Longint PERSISTENTDATA::oldnnodelpiterations

node LP iterations when previous branching decision was stored

Definition at line 980 of file branch_lookahead.c.

Referenced by isUsePreviousResult(), and selectVarStart().

oldnnodelps

SCIP_Longint PERSISTENTDATA::oldnnodelps

node LPs when previous branching decision was stored

Definition at line 981 of file branch_lookahead.c.

Referenced by isUsePreviousResult(), and selectVarStart().

oldntotalnodes

SCIP_Longint PERSISTENTDATA::oldntotalnodes

node at which previous branching decision was stored

Definition at line 982 of file branch_lookahead.c.

Referenced by isUsePreviousResult(), and selectVarStart().

lastbranchid

SCIP_Longint* PERSISTENTDATA::lastbranchid

The node id at which the var was last branched on (for a given branching var).

Definition at line 983 of file branch_lookahead.c.

Referenced by freePersistent(), isUseOldBranching(), and updateOldBranching().

lastbranchnlps

SCIP_Longint* PERSISTENTDATA::lastbranchnlps

The number of (non-probing) LPs that where solved when the var was last branched on.

Definition at line 985 of file branch_lookahead.c.

Referenced by freePersistent(), getOldBranching(), isUseOldBranching(), and updateOldBranching().

lastbranchlpobjval

SCIP_Real* PERSISTENTDATA::lastbranchlpobjval

The lp objval at which var was last branched on.

Definition at line 987 of file branch_lookahead.c.

Referenced by freePersistent(), getOldBranching(), and updateOldBranching().

lastbranchupres

BRANCHINGRESULTDATA** PERSISTENTDATA::lastbranchupres

The result of the last up branching for a given var.

Definition at line 988 of file branch_lookahead.c.

Referenced by freePersistent(), getOldBranching(), and updateOldBranching().

lastbranchdownres

BRANCHINGRESULTDATA** PERSISTENTDATA::lastbranchdownres

The result of the last down branching for a given var.

Definition at line 989 of file branch_lookahead.c.

Referenced by freePersistent(), getOldBranching(), and updateOldBranching().

restartindex

int PERSISTENTDATA::restartindex

The index at which the iteration over the number of candidates starts.

Definition at line 990 of file branch_lookahead.c.

Referenced by selectVarRecursive().

nvars

int PERSISTENTDATA::nvars

The number of variables that can be stored in the arrays.

Definition at line 991 of file branch_lookahead.c.

Referenced by freePersistent().