pub_history.h File Reference

Detailed Description

public methods for branching and inference history structure

Author

Stefan Heinz

Definition in file pub_history.h.

#include "scip/def.h"
#include "scip/type_history.h"

Go to the source code of this file.

Functions
SCIP_Real	SCIPhistoryGetVSIDS (SCIP_HISTORY *history, SCIP_BRANCHDIR dir)
SCIP_Real	SCIPhistoryGetAvgConflictlength (SCIP_HISTORY *history, SCIP_BRANCHDIR dir)
SCIP_Real	SCIPhistoryGetCutoffSum (SCIP_HISTORY *history, SCIP_BRANCHDIR dir)
SCIP_Real	SCIPhistoryGetInferenceSum (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

SCIPhistoryGetVSIDS()

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 661 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().

SCIPhistoryGetAvgConflictlength()

SCIP_Real SCIPhistoryGetAvgConflictlength	(	SCIP_HISTORY *	history,
		SCIP_BRANCHDIR	dir
	)

gets the average conflict length of the history entry

Parameters

history	branching and inference history
dir	branching direction

Definition at line 703 of file history.c.

References SCIP_History::conflengthsum, SCIP_History::nactiveconflicts, NULL, SCIP_BRANCHDIR_DOWNWARDS, SCIP_BRANCHDIR_UPWARDS, and SCIP_Real.

Referenced by SCIPgetAvgConflictlengthScore(), SCIPgetAvgConflictlengthScoreCurrentRun(), SCIPvarGetAvgConflictlength(), and SCIPvarGetAvgConflictlengthCurrentRun().

SCIPhistoryGetCutoffSum()

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 803 of file history.c.

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

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

SCIPhistoryGetInferenceSum()

SCIP_Real SCIPhistoryGetInferenceSum	(	SCIP_HISTORY *	history,
		SCIP_BRANCHDIR	dir
	)

get number of inferences counter

Parameters

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

Definition at line 777 of file history.c.

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

Referenced by SCIPcollectBranchingStatistics(), SCIPprintBranchingStatistics(), SCIPvarGetInferenceSum(), and SCIPvarGetInferenceSumCurrentRun().

SCIPvaluehistoryGetNValues()

int SCIPvaluehistoryGetNValues

(

SCIP_VALUEHISTORY *

valuehistory

)

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

Parameters

valuehistory

value based history

Definition at line 443 of file history.c.

References NULL, and SCIP_ValueHistory::nvalues.

Referenced by getValueScore().

SCIPvaluehistoryGetHistories()

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 453 of file history.c.

References SCIP_ValueHistory::histories, and NULL.

Referenced by getValueScore().

SCIPvaluehistoryGetValues()

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 463 of file history.c.

References NULL, and SCIP_ValueHistory::values.

Referenced by getValueScore().