sepa_basis.h File Reference

Detailed Description

basis separator

Author

Jonas Witt

Definition in file sepa_basis.h.

#include "scip/scip.h"

Go to the source code of this file.

Functions
SCIP_RETCODE	SCIPincludeSepaBasis (SCIP *scip)
SCIP_ROW **	GCGsepaBasisGetOrigcuts (SCIP *scip)
int	GCGsepaBasisGetNOrigcuts (SCIP *scip)
SCIP_ROW **	GCGsepaBasisGetMastercuts (SCIP *scip)
int	GCGsepaBasisGetNMastercuts (SCIP *scip)
SCIP_RETCODE	GCGsepaBasisAddPricingCut (SCIP *scip, int ppnumber, SCIP_ROW *cut)
SCIP_RETCODE	SCIPsepaBasisAddPPObjConss (SCIP *scip, int ppnumber, SCIP_Real dualsolconv, SCIP_Bool newcuts)

Function Documentation

SCIPincludeSepaBasis()

SCIP_RETCODE SCIPincludeSepaBasis

(

SCIP *

scip

)

creates the basis separator and includes it in SCIP

Definition at line 1592 of file sepa_basis.c.

References GCGmasterGetOrigprob(), SEPA_DELAY, SEPA_DESC, SEPA_FREQ, SEPA_MAXBOUNDDIST, SEPA_NAME, SEPA_PRIORITY, SEPA_USESSUBSCIP, sepaCopyBasis, and sepaExecsolBasis.

Referenced by GCGincludeMasterPlugins().

GCGsepaBasisGetOrigcuts()

SCIP_ROW** GCGsepaBasisGetOrigcuts

(

SCIP *

scip

)

returns the array of original cuts saved in the separator data

Definition at line 1683 of file sepa_basis.c.

References SEPA_NAME.

GCGsepaBasisGetNOrigcuts()

int GCGsepaBasisGetNOrigcuts

(

SCIP *

scip

)

returns the number of original cuts saved in the separator data

Definition at line 1702 of file sepa_basis.c.

References SEPA_NAME.

GCGsepaBasisGetMastercuts()

SCIP_ROW** GCGsepaBasisGetMastercuts

(

SCIP *

scip

)

returns the array of master cuts saved in the separator data

Definition at line 1721 of file sepa_basis.c.

References SEPA_NAME.

GCGsepaBasisGetNMastercuts()

int GCGsepaBasisGetNMastercuts

(

SCIP *

scip

)

returns the number of master cuts saved in the separator data

Definition at line 1740 of file sepa_basis.c.

References SEPA_NAME.

GCGsepaBasisAddPricingCut()

SCIP_RETCODE GCGsepaBasisAddPricingCut	(	SCIP *	scip,
		int	ppnumber,
		SCIP_ROW *	cut
	)

transforms cut in pricing variables to cut in original variables and adds it to newcuts array

Definition at line 1759 of file sepa_basis.c.

References ensureSizeNewCuts(), GCGgetNIdenticalBlocks(), GCGgetPricingprob(), GCGisMaster(), GCGmasterGetOrigprob(), GCGpricingVarGetOrigvars(), GCGvarIsPricing(), and SEPA_NAME.

Referenced by ObjPricerGcg::pricingLoop().

SCIPsepaBasisAddPPObjConss()

SCIP_RETCODE SCIPsepaBasisAddPPObjConss	(	SCIP *	scip,
		int	ppnumber,
		SCIP_Real	dualsolconv,
		SCIP_Bool	newcuts
	)

add cuts which are due to the latest objective function of the pricing problems (reduced cost non-negative)

Definition at line 1869 of file sepa_basis.c.

References addPPObjConss(), GCGisMaster(), GCGmasterGetOrigprob(), and SEPA_NAME.

Referenced by ObjPricerGcg::pricingLoop().