heur_masterlinesdiving.c
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34 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
44 #define HEUR_DESC "master LP diving heuristic that chooses fixings following the line from root solution to current solution"
58 * - in the projected space of fractional variables, extend the line segment connecting the root solution and
59 * the current LP solution up to the point, where one of the fractional variables becomes integral
79 SCIP_CALL( SCIPgetLPBranchCands(scip, &lpcands, &lpcandssol, &lpcandsfrac, &nlpcands, NULL, NULL) );
148 HEUR_MAXDEPTH, NULL, NULL, NULL, NULL, NULL, NULL, NULL, heurSelectVarMasterlinesdiving, NULL) );
static GCG_DECL_DIVINGSELECTVAR(heurSelectVarMasterlinesdiving)
Definition: heur_masterlinesdiving.c:63
SCIP_RETCODE GCGincludeHeurMasterlinesdiving(SCIP *scip)
Definition: heur_masterlinesdiving.c:139
primal heuristic interface for LP diving heuristics on the master variables
master LP diving heuristic that fixes variables with a large difference to their root solution
SCIP_RETCODE GCGincludeDivingHeurMaster(SCIP *scip, SCIP_HEUR **heur, const char *name, const char *desc, char dispchar, int priority, int freq, int freqofs, int maxdepth, GCG_DECL_DIVINGFREE((*divingfree)), GCG_DECL_DIVINGINIT((*divinginit)), GCG_DECL_DIVINGEXIT((*divingexit)), GCG_DECL_DIVINGINITSOL((*divinginitsol)), GCG_DECL_DIVINGEXITSOL((*divingexitsol)), GCG_DECL_DIVINGINITEXEC((*divinginitexec)), GCG_DECL_DIVINGEXITEXEC((*divingexitexec)), GCG_DECL_DIVINGSELECTVAR((*divingselectvar)), GCG_DIVINGDATA *divingdata)
Definition: heur_masterdiving.c:1008