- update new index reduction method

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@9309 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

Author: Jens Frenkel

Compiler/BackEnd/BackendDAE.mo

@@ -428,7 +428,7 @@ uniontype DAEHandlerJop
 end DAEHandlerJop;
 
 public
-type DAEHandlerArg = tuple<StateOrder,list<list<tuple<Integer,Equation>>>>;
+type DAEHandlerArg = tuple<StateOrder,list<tuple<Integer,list<tuple<Equation,Boolean>>>>>;
 
 public
 uniontype StateOrder 

Compiler/BackEnd/BackendDAECreate.mo

@@ -62,7 +62,6 @@ protected import OptManager;
 protected import RTOpts;
 protected import SCode;
 protected import Util;
-protected import BackendDump;
 
 public function lower
 "function: lower

Compiler/BackEnd/BackendDAEOptimize.mo

@@ -2348,6 +2348,12 @@ algorithm
         DAE.Exp e;
         Integer k;
         DAE.Operator op;
+      case (e1 as DAE.CREF(componentRef = cr),DAE.UNARY(operator=op as DAE.UMINUS(ty=_),exp=DAE.CREF(componentRef = _)),inVars)
+        then fail();
+      case (e1 as DAE.CREF(componentRef = cr),DAE.CREF(componentRef = _),inVars)
+        then fail();
+      case (DAE.UNARY(operator=op as DAE.UMINUS(ty=_),exp=e1 as DAE.CREF(componentRef = cr)),DAE.CREF(componentRef = _),inVars)
+        then fail();
       // a = -f(...);
       case (e1 as DAE.CREF(componentRef = cr),DAE.UNARY(operator=op as DAE.UMINUS(ty=_),exp=e2),inVars)
         equation