Use ZeroCrossingSet instead of searching in list

This fixed the main issue reported in ticket:4584.

Author: sjoelund

Compiler/BackEnd/BackendDAE.mo

@@ -633,7 +633,7 @@ uniontype EventInfo
   record EVENT_INFO
     list<TimeEvent> timeEvents         "stores all information related to time events";
     ZeroCrossingSet zeroCrossings "list of zero crossing conditions";
-    DoubleEndedList<ZeroCrossing> relations    "list of zero crossing function as before";
+    ZeroCrossingSet relations    "list of zero crossing function as before";
     ZeroCrossingSet samples       "[deprecated] list of sample as before, only used by cpp runtime (TODO: REMOVE ME)";
     Integer numberMathEvents           "stores the number of math function that trigger events e.g. floor, ceil, integer, ...";
   end EVENT_INFO;

Compiler/BackEnd/BackendDAECreate.mo

@@ -147,7 +147,7 @@ algorithm
   eqnarr := BackendEquation.listEquation(eqns);
   reqnarr := BackendEquation.listEquation(reqns);
   ieqnarr := BackendEquation.listEquation(ieqns);
-  einfo := BackendDAE.EVENT_INFO(timeEvents, ZeroCrossings.new(), DoubleEndedList.fromList({}), ZeroCrossings.new(), 0);
+  einfo := BackendDAE.EVENT_INFO(timeEvents, ZeroCrossings.new(), ZeroCrossings.new(), ZeroCrossings.new(), 0);
   symjacs := {(NONE(), ({}, {}, ({}, {}), -1), {}), (NONE(), ({}, {}, ({}, {}), -1), {}), (NONE(), ({}, {}, ({}, {}), -1), {}), (NONE(), ({}, {}, ({}, {}), -1), {})};
   syst := BackendDAEUtil.createEqSystem(vars_1, eqnarr, {}, BackendDAE.UNKNOWN_PARTITION(), reqnarr);
   outBackendDAE := BackendDAE.DAE(syst::{},

Compiler/BackEnd/BackendDAEOptimize.mo

@@ -426,7 +426,7 @@ protected function traverseEventInfoExps<T>
 algorithm
   arg := DoubleEndedList.mapFoldNoCopy(eventInfo.zeroCrossings.zc, function traverseZeroCrossingExps(func=func), arg);
   arg := DoubleEndedList.mapFoldNoCopy(eventInfo.samples.zc, function traverseZeroCrossingExps(func=func), arg);
-  arg := DoubleEndedList.mapFoldNoCopy(eventInfo.relations, function traverseZeroCrossingExps(func=func), arg);
+  arg := DoubleEndedList.mapFoldNoCopy(eventInfo.relations.zc, function traverseZeroCrossingExps(func=func), arg);
 end traverseEventInfoExps;
 
 protected function traverseZeroCrossingExps<T>

Compiler/BackEnd/BackendDAEUtil.mo

@@ -603,7 +603,7 @@ protected
 algorithm
   outNumZeroCrossings := ZeroCrossings.length(eventInfo.zeroCrossings);
   outNumTimeEvents := listLength(eventInfo.timeEvents);
-  outNumRelations := DoubleEndedList.length(eventInfo.relations);
+  outNumRelations := ZeroCrossings.length(eventInfo.relations);
   outNumMathEventFunctions := eventInfo.numberMathEvents;
 end numberOfZeroCrossings;
 
@@ -8958,7 +8958,7 @@ end collapseRemovedEqs1;
 public function emptyEventInfo
   output BackendDAE.EventInfo info;
 algorithm
-  info := BackendDAE.EVENT_INFO({}, ZeroCrossings.new(), DoubleEndedList.fromList({}), ZeroCrossings.new(), 0);
+  info := BackendDAE.EVENT_INFO({}, ZeroCrossings.new(), ZeroCrossings.new(), ZeroCrossings.new(), 0);
 end emptyEventInfo;
 
 public function getSubClock

Compiler/BackEnd/BackendDump.mo

@@ -269,7 +269,7 @@ algorithm
   dumpEquationArray(inShared.removedEqs, "Simple Shared Equations");
   dumpEquationArray(inShared.initialEqs, "Initial Equations");
   dumpZeroCrossingList(ZeroCrossings.toList(inShared.eventInfo.zeroCrossings), "Zero Crossings");
-  dumpZeroCrossingList(DoubleEndedList.toListNoCopyNoClear(inShared.eventInfo.relations), "Relations");
+  dumpZeroCrossingList(ZeroCrossings.toList(inShared.eventInfo.relations), "Relations");
   if stringEqual(Config.simCodeTarget(), "Cpp") then
     dumpZeroCrossingList(ZeroCrossings.toList(inShared.eventInfo.samples), "Samples");
   else

Compiler/BackEnd/BackendInline.mo

@@ -523,12 +523,11 @@ protected function inlineEventInfo "inlines function calls in event info"
 algorithm
   _ := matchcontinue inEventInfo
     local
-      BackendDAE.ZeroCrossingSet zclst;
-      DoubleEndedList<BackendDAE.ZeroCrossing> relations;
+      BackendDAE.ZeroCrossingSet zclst, relations;
 
     case BackendDAE.EVENT_INFO(zeroCrossings=zclst, relations=relations) equation
       inlineZeroCrossings(zclst.zc, fns);
-      inlineZeroCrossings(relations, fns);
+      inlineZeroCrossings(relations.zc, fns);
     then ();
 
     else

Compiler/BackEnd/BackendVarTransform.mo

@@ -2737,8 +2737,7 @@ public function replaceEventInfo
 protected
   Integer numberMathEvents;
   list<BackendDAE.TimeEvent> timeEvents;
-  BackendDAE.ZeroCrossingSet zeroCrossingLst, sampleLst;
-  DoubleEndedList<BackendDAE.ZeroCrossing> relationsLst;
+  BackendDAE.ZeroCrossingSet zeroCrossingLst, sampleLst, relationsLst;
   protected partial function Func
     input output BackendDAE.ZeroCrossing zc;
     input Option<FuncTypeExp_ExpToBoolean> inFuncTypeExpExpToBooleanOption;
@@ -2750,7 +2749,7 @@ algorithm
   zc := function replaceZeroCrossing(inVariableReplacements=inVariableReplacements);
   DoubleEndedList.mapNoCopy_1(zeroCrossingLst.zc, zc, inFuncTypeExpExpToBooleanOption);
   DoubleEndedList.mapNoCopy_1(sampleLst.zc, zc, inFuncTypeExpExpToBooleanOption);
-  DoubleEndedList.mapNoCopy_1(relationsLst, zc, inFuncTypeExpExpToBooleanOption);
+  DoubleEndedList.mapNoCopy_1(relationsLst.zc, zc, inFuncTypeExpExpToBooleanOption);
   eInfoOut := BackendDAE.EVENT_INFO(timeEvents,zeroCrossingLst,relationsLst,sampleLst,numberMathEvents);
 end replaceEventInfo;