C++ (Cpp) SCIPsetEventhdlrExit Examples

Example #1

File: event_softtimelimit.c Project: gorhan/LFOS

/** includes event handler for best solution found */
SCIP_RETCODE SCIPincludeEventHdlrSofttimelimit(
   SCIP*                 scip                /**< SCIP data structure */
   )
{
   SCIP_EVENTHDLRDATA* eventhdlrdata;
   SCIP_EVENTHDLR* eventhdlr;

   SCIP_CALL( SCIPallocMemory(scip, &eventhdlrdata) );
   eventhdlrdata->filterpos = -1;

   eventhdlr = NULL;
   /* create event handler for events on watched variables */
   SCIP_CALL( SCIPincludeEventhdlrBasic(scip, &eventhdlr, EVENTHDLR_NAME, EVENTHDLR_DESC, eventExecSofttimelimit, eventhdlrdata) );
   assert(eventhdlr != NULL);

   SCIP_CALL( SCIPsetEventhdlrCopy(scip, eventhdlr, eventCopySofttimelimit) );
   SCIP_CALL( SCIPsetEventhdlrFree(scip, eventhdlr, eventFreeSofttimelimit) );
   SCIP_CALL( SCIPsetEventhdlrInit(scip, eventhdlr, eventInitSofttimelimit) );
   SCIP_CALL( SCIPsetEventhdlrExit(scip, eventhdlr, eventExitSofttimelimit) );

   SCIP_CALL( SCIPaddRealParam(scip, "limits/softtime",
         "soft time limit which should be applied after first solution was found",
         &eventhdlrdata->softtimelimit, FALSE, -1.0, -1.0, SCIP_REAL_MAX, NULL, NULL) );


   return SCIP_OKAY;
}

Example #2

File: event_bestsol.c Project: bubuker/keggle_santa

/** includes event handler for best solution found */
SCIP_RETCODE SCIPincludeEventHdlrBestsol(
   SCIP*                 scip                /**< SCIP data structure */
   )
{
   SCIP_EVENTHDLRDATA* eventhdlrdata;
   SCIP_EVENTHDLR* eventhdlr;
   eventhdlrdata = NULL;
   
   eventhdlr = NULL;
   /* create event handler for events on watched variables */
   SCIP_CALL( SCIPincludeEventhdlrBasic(scip, &eventhdlr, EVENTHDLR_NAME, EVENTHDLR_DESC, eventExecBestsol, eventhdlrdata) );
   assert(eventhdlr != NULL);

   SCIP_CALL( SCIPsetEventhdlrCopy(scip, eventhdlr, eventCopyBestsol) );
   SCIP_CALL( SCIPsetEventhdlrInit(scip, eventhdlr, eventInitBestsol) );
   SCIP_CALL( SCIPsetEventhdlrExit(scip, eventhdlr, eventExitBestsol) );
   
   return SCIP_OKAY;
}

Example #3

File: sepa_intobj.c Project: bubuker/keggle_santa

/** creates the integer objective value separator and includes it in SCIP */
SCIP_RETCODE SCIPincludeSepaIntobj(
   SCIP*                 scip                /**< SCIP data structure */
   )
{
   SCIP_SEPADATA* sepadata;
   SCIP_EVENTHDLRDATA* eventhdlrdata;
   SCIP_SEPA* sepa;
   SCIP_EVENTHDLR* eventhdlr;

   /* create intobj separator data */
   SCIP_CALL( sepadataCreate(scip, &sepadata) );

   /* include separator */
   SCIP_CALL( SCIPincludeSepaBasic(scip, &sepa, SEPA_NAME, SEPA_DESC, SEPA_PRIORITY, SEPA_FREQ, SEPA_MAXBOUNDDIST,
         SEPA_USESSUBSCIP, SEPA_DELAY,
         sepaExeclpIntobj, sepaExecsolIntobj,
         sepadata) );

   assert(sepa != NULL);

   /* set non-NULL pointers to callback methods */
   SCIP_CALL( SCIPsetSepaCopy(scip, sepa, sepaCopyIntobj) );
   SCIP_CALL( SCIPsetSepaFree(scip, sepa, sepaFreeIntobj) );
   SCIP_CALL( SCIPsetSepaExit(scip, sepa, sepaExitIntobj) );
   SCIP_CALL( SCIPsetSepaExitsol(scip, sepa, sepaExitsolIntobj) );

   /* include event handler for objective change events */
   eventhdlr = NULL;
   eventhdlrdata = (SCIP_EVENTHDLRDATA*)sepadata;
   SCIP_CALL( SCIPincludeEventhdlrBasic(scip, &eventhdlr, EVENTHDLR_NAME, EVENTHDLR_DESC,
         eventExecIntobj, eventhdlrdata) );
   assert(eventhdlr != NULL);

   SCIP_CALL( SCIPsetEventhdlrInit(scip, eventhdlr, eventInitIntobj) );
   SCIP_CALL( SCIPsetEventhdlrExit(scip, eventhdlr, eventExitIntobj) );

   return SCIP_OKAY;
}

Example #4

File: event_boundwriting.c Project: gorhan/LFOS

/** includes event handler for writing primal- and dualbound for all open nodes */
SCIP_RETCODE SCIPincludeEventHdlrBoundwriting(
   SCIP*                 scip                /**< SCIP data structure */
   )
{
   SCIP_EVENTHDLRDATA* eventhdlrdata;
   SCIP_EVENTHDLR* eventhdlr;

   /* create bounds reader data */
   SCIP_CALL( SCIPallocMemory(scip, &eventhdlrdata) );
   initEventhdlrdata(eventhdlrdata);

   eventhdlr = NULL;
   /* create event handler for events on watched variables */
   SCIP_CALL( SCIPincludeEventhdlrBasic(scip, &eventhdlr, EVENTHDLR_NAME, EVENTHDLR_DESC,
         eventExecBoundwriting, eventhdlrdata) );
   assert(eventhdlr != NULL);

   SCIP_CALL( SCIPsetEventhdlrCopy(scip, eventhdlr, eventCopyBoundwriting) );
   SCIP_CALL( SCIPsetEventhdlrFree(scip, eventhdlr, eventFreeBoundwriting) );
   SCIP_CALL( SCIPsetEventhdlrInit(scip, eventhdlr, eventInitBoundwriting) );
   SCIP_CALL( SCIPsetEventhdlrExit(scip, eventhdlr, eventExitBoundwriting) );

   /* add boundwriting parameters */
   SCIP_CALL( SCIPaddLongintParam(scip,
         "eventhdlr/"EVENTHDLR_NAME"/freq",
         "in which frequency should all bounds be written(0: never)",
         &eventhdlrdata->freq, FALSE, DEFAULT_FREQ, 0LL, SCIP_LONGINT_MAX, NULL, NULL) );
   SCIP_CALL( SCIPaddStringParam(scip,
         "eventhdlr/"EVENTHDLR_NAME"/filename",
         "filename to write all bounds to",
         &eventhdlrdata->filename, FALSE, DEFAULT_FILENAME, NULL, NULL) );
   SCIP_CALL( SCIPaddBoolParam(scip,
         "eventhdlr/"EVENTHDLR_NAME"/writesubmipdualbound",
         "should the dualbound of the submip-root which was created out of an open node be printed",
         &eventhdlrdata->writesubmipdualbound, FALSE, DEFAULT_WRITESUBMIPDUALBOUND, NULL, NULL) );

   return SCIP_OKAY;
}