Index: trunk/ppStack/src/ppStack.h
===================================================================
--- trunk/ppStack/src/ppStack.h	(revision 36855)
+++ trunk/ppStack/src/ppStack.h	(revision 42094)
@@ -115,4 +115,17 @@
 bool ppStackReadoutFinalThread(psThreadJob *job // Job to process
     );
+
+// Thread entry point for ppStackReadoutPercent
+bool ppStackReadoutPercentThread(psThreadJob *job);
+
+bool ppStackReadoutPercent(const pmConfig *config,
+			   pmReadout *outRO,
+			   pmReadout *expRO,
+			   const psArray *readouts,
+			   const psVector *mask,
+			   const psVector *weightings,
+			   const psVector *exposures,
+			   const psVector *addVariance);
+
 // Perform median stacking for background
 bool ppStackCombineBackground(ppStackThreadData *stack, ppStackOptions *options, pmConfig *config);