Index: trunk/ippTests/ippCheck/warpstats.pro
===================================================================
--- trunk/ippTests/ippCheck/warpstats.pro	(revision 42085)
+++ trunk/ippTests/ippCheck/warpstats.pro	(revision 42125)
@@ -24,5 +24,5 @@
    # results in magFound, fracFound, numFound
    calc.warpstats
-   if ($i == 0)
+   if (numTotal_sum?[] == 0)
      set numTotal_sum = numTotal
      set numPoss_sum  = numPoss
@@ -39,7 +39,12 @@
  end
    
- set numTotal = numTotal_sum
- set numPoss  = numPoss_sum
- delete numTotal_sum numPoss_sum
+ if (numTotal_sum?[] == 0)
+    # generate vectors for empty inputs
+   calc.warpstats
+ else   
+   set numTotal = numTotal_sum
+   set numPoss  = numPoss_sum
+   delete numTotal_sum numPoss_sum
+ end
 
  set fracPoss  = (numTotal > 0) ? numPoss  / numTotal : zero(numTotal)
@@ -89,4 +94,11 @@
  $Mdel = 0.25
  
+ if (Mref_out?[] == 0)
+   create magBin $Mmin $Mmax $Mdel
+   set numTotal = zero(magBin)
+   set numPoss  = zero(magBin)
+   return
+ end
+
  delete -q  magBin numTotal numPoss
  for mag $Mmin $Mmax $Mdel