heur_mastervecldiving.c
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34 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
59 * - round variables in direction where objective value gets worse; for zero objective coefficient, round upwards
80 SCIP_CALL( SCIPgetLPBranchCands(scip, &lpcands, &lpcandssol, &lpcandsfrac, &nlpcands, NULL, NULL) );
114 colveclen = (SCIPvarGetStatus(var) == SCIP_VARSTATUS_COLUMN ? SCIPcolGetNNonz(SCIPvarGetCol(var)) : 0);
156 HEUR_MAXDEPTH, NULL, NULL, NULL, NULL, NULL, NULL, NULL, heurSelectVarMastervecldiving, NULL) );
master LP diving heuristic that rounds variables with long column vectors
static GCG_DECL_DIVINGSELECTVAR(heurSelectVarMastervecldiving)
Definition: heur_mastervecldiving.c:64
primal heuristic interface for LP diving heuristics on the master variables
SCIP_RETCODE GCGincludeHeurMastervecldiving(SCIP *scip)
Definition: heur_mastervecldiving.c:147
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