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Inclusion functions
Public API of SCIP » Plugin API of SCIP » Presolvers

Detailed Description

functions to include specific presolvers into SCIP

This module contains functions 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 SCIPincludePresolImplint (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
scipSCIP data structure

Definition at line 295 of file presol_boundshift.c.

References assert(), 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
scipSCIP data structure

Definition at line 347 of file presol_convertinttobin.c.

References assert(), 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
scipSCIP data structure

Definition at line 2455 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
scipSCIP data structure

Definition at line 633 of file presol_dualagg.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().

◆ SCIPincludePresolDualcomp()

SCIP_RETCODE SCIPincludePresolDualcomp ( SCIP * scip)

creates the dualcomp presolver and includes it in SCIP

Parameters
scipSCIP data structure

Definition at line 842 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
scipSCIP data structure

Definition at line 2407 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
scipSCIP data structure

Definition at line 1785 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
scipSCIP data structure

Definition at line 359 of file presol_implics.c.

References assert(), 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().

◆ SCIPincludePresolImplint()

SCIP_RETCODE SCIPincludePresolImplint ( SCIP * scip)

creates the implicit integer presolver and includes it in SCIP

creates the implint presolver and includes it in SCIP

Parameters
scipSCIP data structure

Definition at line 2327 of file presol_implint.c.

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

Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().

◆ SCIPincludePresolInttobinary()

SCIP_RETCODE SCIPincludePresolInttobinary ( SCIP * scip)

creates the inttobinary presolver and includes it in SCIP

Parameters
scipSCIP data structure

Definition at line 195 of file presol_inttobinary.c.

References assert(), 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
scipSCIP data structure

Definition at line 46 of file presol_milp.cpp.

References assert(), 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
scipSCIP data structure

Definition at line 2063 of file presol_qpkktref.c.

References assert(), 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
scipSCIP data structure

Definition at line 712 of file presol_redvub.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().

◆ SCIPincludePresolStuffing()

SCIP_RETCODE SCIPincludePresolStuffing ( SCIP * scip)

creates the stuffing presolver and includes it in SCIP

Parameters
scipSCIP 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
scipSCIP data structure

Definition at line 205 of file presol_trivial.c.

References assert(), 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
scipSCIP data structure

Definition at line 1657 of file presol_tworowbnd.c.

References assert(), 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().