--- DarthVader/TrackerLevel2/inc/F77/common_reduction.f	2006/05/19 13:15:53	1.1
+++ DarthVader/TrackerLevel2/inc/F77/common_reduction.f	2006/08/04 08:18:06	1.2
@@ -20,9 +20,17 @@
 c     common noise computation
 c     
 c------------------------------------------------------------------------
-      parameter (scut=3.)
+      parameter (scut=4.)!(scut=3.)
+      parameter (NSTRIPMIN=64)!(NSTRIPMIN=10)!TEMPORANEO
+      parameter (NSTRIPWARNING=64)
+
+      real    cn(nviews,nva1_view)      ! common noise values
+      integer cnflag(nviews,nva1_view)  ! common noise flags: 
+c                                         0 = ok 
+c                                        -1 = failed  (less than NSTRIPMIN strips used)
+c                                         1 = warning (less than NSTRIPWARNING strips used)
+      integer mask_vk_ev(nviews,nva1_view) ! mask of VA1s, local to the event (set to 0 if CN computation fails)
 
-      real cn(nviews,nva1_view) !common noise value
       integer clstr(nviews,nva1_view,nstrips_va1) !flag matrix to mark 
                                 ! strips with signal and exclude them from
                                 ! common noise computation
@@ -30,7 +38,7 @@
                                 ! strips with unusually high or low signal and
                                 ! exclude them from common noise computation
 
-      common/cn/cn,clstr,strange
+      common/cn/cn,cnflag,mask_vk_ev,clstr,strange
 
 
 c$$$c------------------------------------------------------------------------