[cppruntime] Adapted zero function tolerance

Belonging to [master]:
  - #2829

Author: niklwors

Compiler/Template/CodegenCpp.tpl

@@ -12339,30 +12339,30 @@ template giveZeroFunc3(Integer index1, Exp relation, Text &varDecls /*BUFP*/,Tex
       case LESS(__) then
         <<
         if(_conditions[<%zerocrossingIndex%>])
-            f[<%index1%>]=(<%e1%> - 1e-9 - <%e2%>);
+            f[<%index1%>]=(<%e1%> - 1e-6 - <%e2%>);
         else
-            f[<%index1%>]=(<%e2%> - <%e1%> -  1e-9);
+            f[<%index1%>]=(<%e2%> - <%e1%> -  1e-6);
         >>
       case LESSEQ(__) then
         <<
         if(_conditions[<%zerocrossingIndex%>])
-            f[<%index1%>] = (<%e1%> - 1e-9 - <%e2%>);
+            f[<%index1%>] = (<%e1%> - 1e-6 - <%e2%>);
         else
-            f[<%index1%>] = (<%e2%> - <%e1%> - 1e-9);
+            f[<%index1%>] = (<%e2%> - <%e1%> - 1e-6);
         >>
       case GREATER(__) then
         <<
         if(_conditions[<%zerocrossingIndex%>])
-            f[<%index1%>] = (<%e2%> - <%e1%> - 1e-9);
+            f[<%index1%>] = (<%e2%> - <%e1%> - 1e-6);
         else
-            f[<%index1%>] = (<%e1%> - 1e-9 - <%e2%>);
+            f[<%index1%>] = (<%e1%> - 1e-6 - <%e2%>);
         >>
       case GREATEREQ(__) then
         <<
         if(_conditions[<%zerocrossingIndex%>])
-            f[<%index1%>] = (<%e2%> - <%e1%> - 1e-9);
+            f[<%index1%>] = (<%e2%> - <%e1%> - 1e-6);
         else
-            f[<%index1%>] = (<%e1%> - 1e-9 - <%e2%>);
+            f[<%index1%>] = (<%e1%> - 1e-6 - <%e2%>);
         >>
     else
         <<