heur_gcgrens.h File Reference

Detailed Description

LNS heuristic that finds the optimal rounding to a given point.

Author

Timo Berthold

Christian Puchert

Definition in file heur_gcgrens.h.

#include "scip/scip.h"

Go to the source code of this file.

Functions
SCIP_RETCODE	SCIPincludeHeurGcgrens (SCIP *scip)
SCIP_RETCODE	GCGapplyGcgrens (SCIP *scip, SCIP_HEUR *heur, SCIP_RESULT *result, SCIP_Real minfixingrate, SCIP_Real minimprove, SCIP_Longint maxnodes, SCIP_Longint nstallnodes, SCIP_Bool binarybounds, SCIP_Bool uselprows)

Function Documentation

SCIPincludeHeurGcgrens()

SCIP_RETCODE SCIPincludeHeurGcgrens

(

SCIP *

scip

)

creates RENS primal heuristic and includes it in SCIP

creates GCG RENS primal heuristic and includes it in SCIP

Definition at line 814 of file heur_gcgrens.c.

References DEFAULT_ADDALLSOLS, DEFAULT_BINARYBOUNDS, DEFAULT_COPYCUTS, DEFAULT_MAXNODES, DEFAULT_MINFIXINGRATE, DEFAULT_MINIMPROVE, DEFAULT_MINNODES, DEFAULT_NODESOFS, DEFAULT_NODESQUOT, DEFAULT_USELPROWS, HEUR_DESC, HEUR_DISPCHAR, HEUR_FREQ, HEUR_FREQOFS, HEUR_MAXDEPTH, HEUR_NAME, HEUR_PRIORITY, HEUR_TIMING, and HEUR_USESSUBSCIP.

Referenced by SCIPincludeGcgPlugins().

GCGapplyGcgrens()

SCIP_RETCODE GCGapplyGcgrens	(	SCIP *	scip,
		SCIP_HEUR *	heur,
		SCIP_RESULT *	result,
		SCIP_Real	minfixingrate,
		SCIP_Real	minimprove,
		SCIP_Longint	maxnodes,
		SCIP_Longint	nstallnodes,
		SCIP_Bool	binarybounds,
		SCIP_Bool	uselprows
	)

main procedure of the GCG RENS heuristic, creates and solves a sub-SCIP

Definition at line 332 of file heur_gcgrens.c.

References createNewSol(), and createSubproblem().

Referenced by SCIP_DECL_HEUREXEC().