Scippy

SCIP

Solving Constraint Integer Programs

pub_history.h File Reference

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_RealSCIPvaluehistoryGetValues (SCIP_VALUEHISTORY *valuehistory)
 

Function Documentation

SCIP_Real SCIPhistoryGetVSIDS ( SCIP_HISTORY history,
SCIP_BRANCHDIR  dir 
)

gets the conflict score of the history entry

Parameters
historybranching and inference history
dirbranching direction

Definition at line 513 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
historybranching and inference history
dirbranching direction (downwards, or upwards)

Definition at line 655 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
valuehistoryvalue based history

Definition at line 348 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
valuehistoryvalue based history

Definition at line 358 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
valuehistoryvalue based history

Definition at line 368 of file history.c.

References NULL, and SCIP_ValueHistory::values.

Referenced by getValueScore().