Inclusion methods

Detailed Description

methods to include specific presolvers into SCIP

This module contains methods to include specific presolvers into SCIP.

Note

All default plugins can be included at once (including all default presolvers) using SCIPincludeDefaultPlugins()

Functions
SCIP_RETCODE	SCIPincludePresolBoundshift (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolConvertinttobin (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolDomcol (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolDualagg (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolDualcomp (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolDualinfer (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolGateextraction (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolImplics (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolInttobinary (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolMILP (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolQPKKTref (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolRedvub (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolStuffing (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolTrivial (SCIP *scip)
SCIP_RETCODE	SCIPincludePresolTworowbnd (SCIP *scip)

Function Documentation

SCIPincludePresolBoundshift()

SCIP_RETCODE SCIPincludePresolBoundshift

(

SCIP *

scip

)

creates the boundshift presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 295 of file presol_boundshift.c.

References DEFAULT_FLIPPING, DEFAULT_INTEGER, DEFAULT_MAXSHIFT, NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_LONGINT_MAX, SCIP_OKAY, SCIPaddBoolParam(), SCIPaddLongintParam(), SCIPallocBlockMemory, SCIPincludePresolBasic(), SCIPsetPresolCopy(), SCIPsetPresolFree(), and TRUE.

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolConvertinttobin()

SCIP_RETCODE SCIPincludePresolConvertinttobin

(

SCIP *

scip

)

creates the convertinttobin presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 347 of file presol_convertinttobin.c.

References DEFAULT_MAXDOMAINSIZE, DEFAULT_ONLYPOWERSOFTWO, DEFAULT_SAMELOCKSINBOTHDIRECTIONS, NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_LONGINT_MAX, SCIP_OKAY, SCIPaddBoolParam(), SCIPaddLongintParam(), SCIPallocBlockMemory, SCIPincludePresolBasic(), SCIPsetPresolCopy(), SCIPsetPresolFree(), and TRUE.

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolDomcol()

SCIP_RETCODE SCIPincludePresolDomcol

(

SCIP *

scip

)

creates the dominated column presolver and includes it in SCIP

creates the domcol presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 2428 of file presol_domcol.c.

References DEFAULT_CONTINUOUS_RED, DEFAULT_NUMMAXPAIRS, DEFAULT_NUMMINPAIRS, DEFAULT_PREDBNDSTR, FALSE, NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, SCIPaddBoolParam(), SCIPaddIntParam(), SCIPallocBlockMemory, SCIPincludePresolBasic(), SCIPsetPresolCopy(), and SCIPsetPresolFree().

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolDualagg()

SCIP_RETCODE SCIPincludePresolDualagg

(

SCIP *

scip

)

creates the dualagg presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 621 of file presol_dualagg.c.

References NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, and SCIPincludePresolBasic().

Referenced by SCIPincludeDefaultPlugins().

SCIPincludePresolDualcomp()

SCIP_RETCODE SCIPincludePresolDualcomp

(

SCIP *

scip

)

creates the dualcomp presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 846 of file presol_dualcomp.c.

References DEFAULT_COMP_ONLY_DIS_VARS, FALSE, NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, SCIPaddBoolParam(), SCIPallocBlockMemory, SCIPincludePresolBasic(), SCIPsetPresolCopy(), and SCIPsetPresolFree().

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolDualinfer()

SCIP_RETCODE SCIPincludePresolDualinfer

(

SCIP *

scip

)

creates the dual inference presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 2417 of file presol_dualinfer.c.

References DEFAULT_MAXCOMBINEFAILS, DEFAULT_MAXCONSIDEREDNONZEROS, DEFAULT_MAXHASHFAC, DEFAULT_MAXLOOPS_DUALBNDSTR, DEFAULT_MAXPAIRFAC, DEFAULT_MAXRETRIEVEFAILS, DEFAULT_MAXROWSUPPORT, DEFAULT_TWOCOLUMN_COMBINE, FALSE, NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, SCIPaddBoolParam(), SCIPaddIntParam(), SCIPallocBlockMemory, SCIPincludePresolBasic(), SCIPsetPresolCopy(), SCIPsetPresolFree(), and TRUE.

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolGateextraction()

SCIP_RETCODE SCIPincludePresolGateextraction

(

SCIP *

scip

)

creates the gateextraction presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 1787 of file presol_gateextraction.c.

References DEFAULT_ONLYSETPART, DEFAULT_SEARCHEQUATIONS, DEFAULT_SORTING, NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, presoldataInit(), SCIP_CALL, SCIP_OKAY, SCIPaddBoolParam(), SCIPaddIntParam(), SCIPallocBlockMemory, SCIPincludePresolBasic(), SCIPsetPresolCopy(), SCIPsetPresolExit(), SCIPsetPresolExitpre(), SCIPsetPresolFree(), SCIPsetPresolInitpre(), and TRUE.

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolImplics()

SCIP_RETCODE SCIPincludePresolImplics

(

SCIP *

scip

)

creates the implics presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 359 of file presol_implics.c.

References NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, SCIPincludePresolBasic(), and SCIPsetPresolCopy().

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolInttobinary()

SCIP_RETCODE SCIPincludePresolInttobinary

(

SCIP *

scip

)

creates the inttobinary presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 191 of file presol_inttobinary.c.

References NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, SCIPincludePresolBasic(), and SCIPsetPresolCopy().

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolMILP()

SCIP_RETCODE SCIPincludePresolMILP

(

SCIP *

scip

)

creates the MILP presolver and includes it in SCIP if the presolve library is available

creates the MILP presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 46 of file presol_milp.cpp.

References NULL, and SCIP_OKAY.

Referenced by SCIPincludeDefaultPlugins().

SCIPincludePresolQPKKTref()

SCIP_RETCODE SCIPincludePresolQPKKTref

(

SCIP *

scip

)

creates the QP KKT reformulation presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 2062 of file presol_qpkktref.c.

References FALSE, NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, SCIPaddBoolParam(), SCIPallocBlockMemory, SCIPincludePresolBasic(), SCIPsetPresolCopy(), SCIPsetPresolFree(), and TRUE.

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolRedvub()

SCIP_RETCODE SCIPincludePresolRedvub

(

SCIP *

scip

)

creates the redvub presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 693 of file presol_redvub.c.

References NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, and SCIPincludePresolBasic().

Referenced by SCIPincludeDefaultPlugins().

SCIPincludePresolStuffing()

SCIP_RETCODE SCIPincludePresolStuffing

(

SCIP *

scip

)

creates the stuffing presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 498 of file presol_stuffing.c.

References NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, SCIPincludePresolBasic(), and SCIPsetPresolCopy().

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolTrivial()

SCIP_RETCODE SCIPincludePresolTrivial

(

SCIP *

scip

)

creates the trivial presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 205 of file presol_trivial.c.

References NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, SCIPincludePresolBasic(), and SCIPsetPresolCopy().

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

SCIPincludePresolTworowbnd()

SCIP_RETCODE SCIPincludePresolTworowbnd

(

SCIP *

scip

)

creates the tworowbnd presolver and includes it in SCIP

creates the tworowbndb presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 1673 of file presol_tworowbnd.c.

References DEFAULT_ENABLECOPY, DEFAULT_MAXCOMBINEFAILS, DEFAULT_MAXCONSIDEREDNONZEROS, DEFAULT_MAXHASHFAC, DEFAULT_MAXPAIRFAC, DEFAULT_MAXRETRIEVEFAILS, FALSE, NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, SCIPaddBoolParam(), SCIPaddIntParam(), SCIPallocBlockMemory, SCIPincludePresolBasic(), SCIPsetPresolCopy(), SCIPsetPresolFree(), SCIPsetPresolInit(), and TRUE.

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().