Scippy

SCIP

Solving Constraint Integer Programs

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Detailed Description

public methods for branching and inference history structure

Author: Stefan Heinz

Definition in file pub_history.h.

Go to the source code of this file.

Functions
SCIP_Real	SCIPhistoryGetVSIDS (SCIP_HISTORY *history, SCIP_BRANCHDIR dir)

SCIP_Real	SCIPhistoryGetCutoffSum (SCIP_HISTORY *history, SCIP_BRANCHDIR dir)

int	SCIPvaluehistoryGetNValues (SCIP_VALUEHISTORY *valuehistory)

SCIP_HISTORY **	SCIPvaluehistoryGetHistories (SCIP_VALUEHISTORY *valuehistory)

SCIP_Real *	SCIPvaluehistoryGetValues (SCIP_VALUEHISTORY *valuehistory)

Function Documentation

SCIP_Real SCIPhistoryGetVSIDS	(	SCIP_HISTORY *	history,
		SCIP_BRANCHDIR	dir
	)

gets the conflict score of the history entry

Parameters

history	branching and inference history
dir	branching direction

Definition at line 457 of file history.c.

References NULL, SCIP_BRANCHDIR_DOWNWARDS, SCIP_BRANCHDIR_UPWARDS, and SCIP_History::vsids.

Referenced by checkValueScore(), SCIPgetAvgConflictScore(), SCIPgetAvgConflictScoreCurrentRun(), SCIPvarGetVSIDS(), SCIPvarGetVSIDS_rec(), SCIPvarGetVSIDSCurrentRun(), and SCIPvarIncVSIDS().

SCIP_Real SCIPhistoryGetCutoffSum	(	SCIP_HISTORY *	history,
		SCIP_BRANCHDIR	dir
	)

get number of cutoffs counter

Parameters

history	branching and inference history
dir	branching direction (downwards, or upwards)

Definition at line 599 of file history.c.

References SCIP_History::cutoffsum, NULL, SCIP_BRANCHDIR_DOWNWARDS, and SCIP_BRANCHDIR_UPWARDS.

Referenced by checkValueScore(), SCIPprintBranchingStatistics(), SCIPvarGetCutoffSum(), and SCIPvarGetCutoffSumCurrentRun().

int SCIPvaluehistoryGetNValues ( SCIP_VALUEHISTORY * valuehistory )

return the number of (domain) values for which a history exists

Parameters

valuehistory value based history

Definition at line 314 of file history.c.

References NULL, and SCIP_ValueHistory::nvalues.

Referenced by getValueScore().

SCIP_HISTORY** SCIPvaluehistoryGetHistories ( SCIP_VALUEHISTORY * valuehistory )

return the array containing the histories for the individual (domain) values

Parameters

valuehistory value based history

Definition at line 324 of file history.c.

References SCIP_ValueHistory::histories, and NULL.

Referenced by getValueScore().

SCIP_Real* SCIPvaluehistoryGetValues ( SCIP_VALUEHISTORY * valuehistory )

return the array containing the (domain) values for which a history exists

Parameters

valuehistory value based history

Definition at line 334 of file history.c.

References NULL, and SCIP_ValueHistory::values.

Referenced by getValueScore().