- workaround for nonlinear torn systems

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@12448 f25d12d1-65f4-0310-ae8a-bbce733d8d8e
OpenModelica · Aug 7, 2012 · e0be5b5 · e0be5b5
1 parent bd25e9e
commit e0be5b5
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/Compiler/BackEnd/BackendDAEOptimize.mo b/Compiler/BackEnd/BackendDAEOptimize.mo
@@ -10711,6 +10711,11 @@ algorithm
         Debug.fcall(Flags.TEARING_DUMP, print,"handle torn System\n");
         // solve other equations for other vars
         size = listLength(eindex);
+        // do not use it if more than 50 equations there, 
+        // this will be fixed if it is possible to save the information of tearing variables
+        // and residual equations for code generation, than it is not necessary to solve all the other 
+        // equations and replace the other variables in the residual equations
+        true = intLt(size,50);
         eqns = BackendEquation.daeEqns(subsyst);
         vars = BackendVariable.daeVars(subsyst);
         tvarexps = List.map2(tvars,getTVarCrefExps,vars,ishared);