Index: branches/eam_branches/ppStack.20211015/src/ppStackLoop.h
===================================================================
--- branches/eam_branches/ppStack.20211015/src/ppStackLoop.h	(revision 41840)
+++ branches/eam_branches/ppStack.20211015/src/ppStackLoop.h	(revision 41841)
@@ -7,4 +7,5 @@
     ppStackOptions *options             // Options for stacking
     );
+
 // Median only loop.
 bool ppStackMedianLoop(
@@ -12,4 +13,10 @@
     ppStackOptions *options             // Options for stacking
     );
+
+// stack by percentile range
+bool ppStackLoopByPercent(
+  pmConfig *config,
+  ppStackOptions *options
+  );
 
 // Setup
@@ -92,4 +99,6 @@
 
 
+bool ppStackCombinePercent(ppStackThreadData *stack, ppStackOptions *options, pmConfig *config);
+
 bool ppStackUpdateHeader(ppStackThreadData *stack, ppStackOptions *options, pmConfig *config);
 bool ppStackJPEGs(ppStackThreadData *stack, ppStackOptions *options, pmConfig *config);