Index: trunk/ippconfig/recipes/fitstypes.mdc
===================================================================
--- trunk/ippconfig/recipes/fitstypes.mdc	(revision 31620)
+++ trunk/ippconfig/recipes/fitstypes.mdc	(revision 31633)
@@ -101,7 +101,8 @@
 COMP_STACK     METADATA
         BITPIX          S32     16
-        SCALING         STR     LOG_STDEV_POSITIVE
-        STDEV.BITS      S32     4
-        STDEV.NUM       F32     10
+        SCALING         STR     ASINH_RANGE
+#	 SCALING        STR      LOG_RANGE
+#        STDEV.BITS      S32     4
+#        STDEV.NUM       F32     100
 	COMPRESSION     STR     RICE
 	TILE.X		S32	0
Index: trunk/ippconfig/recipes/ppStack.config
===================================================================
--- trunk/ippconfig/recipes/ppStack.config	(revision 31620)
+++ trunk/ippconfig/recipes/ppStack.config	(revision 31633)
@@ -132,5 +132,9 @@
 END
 
-# 
+# Stack mode for testing stacking procedure
+TESTSTACK   METADATA
+    VARIANCE        BOOL FALSE
+END
+
 
 STACK_DEEP    METADATA
Index: trunk/ippconfig/recipes/reductionClasses.mdc
===================================================================
--- trunk/ippconfig/recipes/reductionClasses.mdc	(revision 31620)
+++ trunk/ippconfig/recipes/reductionClasses.mdc	(revision 31633)
@@ -284,4 +284,10 @@
 END
 
+TESTSTACK            METADATA
+      STACK_PPSTACK   STR      TESTSTACK
+      STACK_PPSUB     STR      STACK
+      STACK_PSPHOT    STR      STACK
+END
+
 # basic science analysis
 PHOTFEST.SINGLE1	METADATA