SCIP

Solving Constraint Integer Programs

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	SCIPincludePresolImplfree (SCIP *scip)

SCIP_RETCODE	SCIPincludePresolImplics (SCIP *scip)

SCIP_RETCODE	SCIPincludePresolInttobinary (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 257 of file presol_boundshift.c.

References DEFAULT_FLIPPING, DEFAULT_INTEGER, DEFAULT_MAXSHIFT, initPresoldata(), 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 297 of file presol_convertinttobin.c.

References DEFAULT_MAXDOMAINSIZE, DEFAULT_ONLYPOWERSOFTWO, DEFAULT_SAMELOCKSINBOTHDIRECTIONS, 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 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 2399 of file presol_domcol.c.

References DEFAULT_CONTINUOUS_RED, DEFAULT_NUMMAXPAIRS, DEFAULT_NUMMINPAIRS, DEFAULT_PREDBNDSTR, FALSE, 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 591 of file presol_dualagg.c.

References 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 813 of file presol_dualcomp.c.

References DEFAULT_COMP_ONLY_DIS_VARS, FALSE, 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 1305 of file presol_dualinfer.c.

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

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 1770 of file presol_gateextraction.c.

Referenced by SCIPincludeDefaultPlugins().

◆ SCIPincludePresolImplfree()

SCIP_RETCODE SCIPincludePresolImplfree ( SCIP * scip )

creates the implied free presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 1279 of file presol_implfree.c.

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

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 336 of file presol_implics.c.

References 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 154 of file presol_inttobinary.c.

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

Referenced by SCIP_DECL_PRESOLCOPY(), and 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 1977 of file presol_qpkktref.c.

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

Referenced by SCIPincludeDefaultPlugins().

◆ SCIPincludePresolRedvub()

SCIP_RETCODE SCIPincludePresolRedvub ( SCIP * scip )

creates the redvub presolver and includes it in SCIP

Parameters

scip	SCIP data structure

Definition at line 665 of file presol_redvub.c.

References 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 466 of file presol_stuffing.c.

References 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 187 of file presol_trivial.c.

References 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

Parameters

scip	SCIP data structure

Definition at line 1543 of file presol_tworowbnd.c.

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

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().