improvement heuristic which uses an auxiliary objective instead of the original objective function which is itself added as a constraint to a sub-SCIP instance. The heuristic was presented by Matteo Fischetti and Michele Monaci
Definition in file heur_proximity.h.
|SCIP_RETCODE||SCIPincludeHeurProximity (SCIP *scip)|
|SCIP_RETCODE||SCIPapplyProximity (SCIP *scip, SCIP_HEUR *heur, SCIP_RESULT *result, SCIP_Real minimprove, SCIP_Longint nnodes, SCIP_Longint nlpiters, SCIP_Longint *nusednodes, SCIP_Longint *nusedlpiters, SCIP_Bool freesubscip)|
|SCIP_RETCODE||SCIPdeleteSubproblemProximity (SCIP *scip)|