e2.offaccum/p-&gt;stage2.offpoints:0);
    
    if(abs(av)&gt;p-&gt;dynoverlap/4){
      av=(av/MIN_SECTOR_EPSILON)*MIN_SECTOR_EPSILON;
      
      if(callback)(*callback)(ce(p-&gt;root.vector),PARANOIA_CB_DRIFT);
      p-&gt;dyndrift+=av;
      
      /* Adjust all the values in the cache otherwise we get a
    (potentially unstable) feedback loop */
      {
   c_block *c=c_first(p);
   v_fragment *v=v_first(p);

   while(v &amp;&amp; v-&gt;one){
     /* safeguard beginning bounds case with a hammer */
  