Index: trunk/ippconfig/simple/filerules.mdc
===================================================================
--- trunk/ippconfig/simple/filerules.mdc	(revision 15181)
+++ trunk/ippconfig/simple/filerules.mdc	(revision 15573)
@@ -33,4 +33,7 @@
 PPSTACK.INPUT.WEIGHT INPUT  none.fits                     FPA   WEIGHT
 PPSTACK.SOURCES    INPUT    none.fits                     FPA        CMF
+
+PPARITH.INPUT.IMAGE INPUT   none.fits                     CHIP       IMAGE
+PPARITH.INPUT.MASK  INPUT   none.fits                     CHIP       MASK
 
 ### output file definitions
@@ -90,2 +93,5 @@
 LOG.IMFILE            OUTPUT {OUTPUT}.log          TEXT      NONE      CHIP       TRUE      NONE
 LOG.EXP               OUTPUT {OUTPUT}.log          TEXT      NONE      FPA        TRUE      NONE
+
+PPARITH.OUTPUT.IMAGE  OUTPUT {OUTPUT}.fits         IMAGE     NONE      CHIP       TRUE      NONE
+PPARITH.OUTPUT.MASK   OUTPUT {OUTPUT}.fits         MASK      NONE      CHIP       TRUE      NONE