Index: /issm/trunk-jpl/src/c/shared/Elements/elements.h
===================================================================
--- /issm/trunk-jpl/src/c/shared/Elements/elements.h	(revision 15888)
+++ /issm/trunk-jpl/src/c/shared/Elements/elements.h	(revision 15889)
@@ -20,4 +20,5 @@
 				     IssmDouble* TemperaturesLgm, IssmDouble* TemperaturesPresentday, 
 					     IssmDouble* monthlytemperaturesout, IssmDouble* monthlyprecout);
+IssmDouble DrainageFunctionWaterfraction(IssmDouble waterfraction);
 
 /*Print arrays*/