Detailed Description

presolver

Definition at line 36 of file struct_presol.h.

#include <struct_presol.h>

Public Member Functions
	SCIP_DECL_PRESOLCOPY ((*presolcopy))

	SCIP_DECL_PRESOLFREE ((*presolfree))

	SCIP_DECL_PRESOLINIT ((*presolinit))

	SCIP_DECL_PRESOLEXIT ((*presolexit))

	SCIP_DECL_PRESOLINITPRE ((*presolinitpre))

	SCIP_DECL_PRESOLEXITPRE ((*presolexitpre))

	SCIP_DECL_PRESOLEXEC ((*presolexec))

Data Fields
char *	name

char *	desc

SCIP_PRESOLDATA *	presoldata

SCIP_CLOCK *	setuptime

SCIP_CLOCK *	presolclock

int	priority

int	maxrounds

int	lastnfixedvars

int	lastnaggrvars

int	lastnchgvartypes

int	lastnchgbds

int	lastnaddholes

int	lastndelconss

int	lastnaddconss

int	lastnupgdconss

int	lastnchgcoefs

int	lastnchgsides

int	nfixedvars

int	naggrvars

int	nchgvartypes

int	nchgbds

int	naddholes

int	ndelconss

int	naddconss

int	nupgdconss

int	nchgcoefs

int	nchgsides

int	ncalls

SCIP_Bool	delay

SCIP_Bool	wasdelayed

SCIP_Bool	initialized

Member Function Documentation

SCIP_Presol::SCIP_DECL_PRESOLCOPY ( * presolcopy )

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

SCIP_Presol::SCIP_DECL_PRESOLFREE ( * presolfree )

destructor of presolver to free user data (called when SCIP is exiting)

SCIP_Presol::SCIP_DECL_PRESOLINIT ( * presolinit )

initialization method of presolver (called after problem was transformed)

SCIP_Presol::SCIP_DECL_PRESOLEXIT ( * presolexit )

deinitialization method of presolver (called before transformed problem is freed)

SCIP_Presol::SCIP_DECL_PRESOLINITPRE ( * presolinitpre )

presolving initialization method of presolver (called when presolving is about to begin)

SCIP_Presol::SCIP_DECL_PRESOLEXITPRE ( * presolexitpre )

presolving deinitialization method of presolver (called after presolving has been finished)

SCIP_Presol::SCIP_DECL_PRESOLEXEC ( * presolexec )

execution method of presolver

Field Documentation

char* SCIP_Presol::name

name of presolver

Definition at line 38 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolExit(), SCIPpresolGetName(), and SCIPpresolInit().

char* SCIP_Presol::desc

description of presolver

Definition at line 39 of file struct_presol.h.

Referenced by SCIPpresolGetDesc().

SCIP_PRESOLDATA* SCIP_Presol::presoldata

presolver data

Definition at line 47 of file struct_presol.h.

Referenced by SCIPpresolGetData(), and SCIPpresolSetData().

SCIP_CLOCK* SCIP_Presol::setuptime

time spend for setting up this presolver for the next stages

Definition at line 48 of file struct_presol.h.

Referenced by SCIPpresolExit(), SCIPpresolExitpre(), SCIPpresolGetSetupTime(), SCIPpresolInit(), and SCIPpresolInitpre().

SCIP_CLOCK* SCIP_Presol::presolclock

presolving time

Definition at line 49 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetTime(), and SCIPpresolInit().

int SCIP_Presol::priority

priority of the presolver

Definition at line 50 of file struct_presol.h.

Referenced by SCIPpresolGetPriority(), and SCIPpresolSetPriority().

int SCIP_Presol::maxrounds

maximal number of presolving rounds the presolver participates in (-1: no limit)

Definition at line 51 of file struct_presol.h.

Referenced by SCIPpresolExec().

int SCIP_Presol::lastnfixedvars

number of variables fixed before the last call to the presolver

Definition at line 52 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), and SCIPpresolInitpre().

int SCIP_Presol::lastnaggrvars

number of variables aggregated before the last call to the presolver

Definition at line 53 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), and SCIPpresolInitpre().

int SCIP_Presol::lastnchgvartypes

number of variable type changes before the last call to the presolver

Definition at line 54 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), and SCIPpresolInitpre().

int SCIP_Presol::lastnchgbds

number of variable bounds tightened before the last call to the presolver

Definition at line 55 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), and SCIPpresolInitpre().

int SCIP_Presol::lastnaddholes

number of domain holes added before the last call to the presolver

Definition at line 56 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), and SCIPpresolInitpre().

int SCIP_Presol::lastndelconss

number of deleted constraints before the last call to the presolver

Definition at line 57 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), and SCIPpresolInitpre().

int SCIP_Presol::lastnaddconss

number of added constraints before the last call to the presolver

Definition at line 58 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), and SCIPpresolInitpre().

int SCIP_Presol::lastnupgdconss

number of upgraded constraints before the last call to the presolver

Definition at line 59 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), and SCIPpresolInitpre().

int SCIP_Presol::lastnchgcoefs

number of changed coefficients before the last call to the presolver

Definition at line 60 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), and SCIPpresolInitpre().

int SCIP_Presol::lastnchgsides

number of changed left or right hand sides before the last call

Definition at line 61 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), and SCIPpresolInitpre().

int SCIP_Presol::nfixedvars

total number of variables fixed by this presolver

Definition at line 62 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNFixedVars(), and SCIPpresolInit().

int SCIP_Presol::naggrvars

total number of variables aggregated by this presolver

Definition at line 63 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNAggrVars(), and SCIPpresolInit().

int SCIP_Presol::nchgvartypes

total number of variable type changes by this presolver

Definition at line 64 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNChgVarTypes(), and SCIPpresolInit().

int SCIP_Presol::nchgbds

total number of variable bounds tightened by this presolver

Definition at line 65 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNChgBds(), and SCIPpresolInit().

int SCIP_Presol::naddholes

total number of domain holes added by this presolver

Definition at line 66 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNAddHoles(), and SCIPpresolInit().

int SCIP_Presol::ndelconss

total number of deleted constraints by this presolver

Definition at line 67 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNDelConss(), and SCIPpresolInit().

int SCIP_Presol::naddconss

total number of added constraints by this presolver

Definition at line 68 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNAddConss(), and SCIPpresolInit().

int SCIP_Presol::nupgdconss

total number of upgraded constraints by this presolver

Definition at line 69 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNUpgdConss(), and SCIPpresolInit().

int SCIP_Presol::nchgcoefs

total number of changed coefficients by this presolver

Definition at line 70 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNChgCoefs(), and SCIPpresolInit().

int SCIP_Presol::nchgsides

total number of changed left or right hand sides by this presolver

Definition at line 71 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNChgSides(), and SCIPpresolInit().

int SCIP_Presol::ncalls

number of times the presolver was called and tried to find reductions

Definition at line 72 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolGetNCalls(), and SCIPpresolInit().

SCIP_Bool SCIP_Presol::delay

should presolver be delayed, if other presolvers found reductions?

Definition at line 73 of file struct_presol.h.

Referenced by SCIPpresolExec(), and SCIPpresolIsDelayed().

SCIP_Bool SCIP_Presol::wasdelayed

was the presolver delayed at the last call?

Definition at line 74 of file struct_presol.h.

Referenced by SCIPpresolExec(), SCIPpresolInit(), SCIPpresolInitpre(), and SCIPpresolWasDelayed().

SCIP_Bool SCIP_Presol::initialized

is presolver initialized?

Definition at line 75 of file struct_presol.h.

Referenced by SCIPpresolExit(), SCIPpresolInit(), and SCIPpresolIsInitialized().

SCIP

Detailed Description

Public Member Functions

Data Fields

Member Function Documentation

Field Documentation