[Kst] extragear/graphics/kst/kst

[George Staikos]

SVN commit 474318 by staikos:

a huge speedup.  We were calling update on the slave vector every update
cycle, and we really didn't need to.
As a side note, KstVector::update() is just way too expensive.


 M  +3 -1      kstequation.cpp  


--- trunk/extragear/graphics/kst/kst/kstequation.cpp #474317:474318
@@ -214,7 +214,9 @@
     rc = UPDATE;
   }
   v = *_yVector;
-  v->setDirty();
+  if (rc == UPDATE) {
+    v->setDirty();
+  }
   v->update(update_counter);
 
   return setLastUpdateResult(rc);