Index: trunk/ppSim/src/ppSim.h
===================================================================
--- trunk/ppSim/src/ppSim.h	(revision 16493)
+++ trunk/ppSim/src/ppSim.h	(revision 17557)
@@ -133,4 +133,9 @@
     );
 
+float ppSimStarSkyNoise (float skySigma, float seeingSigma);
+float ppSimStarPeakToFlux (float peak, float seeingSigma);
+float ppSimStarFluxToPeak (float flux, float seeingSigma);
+float ppSimFluxToMag (float flux, float zp);
+float ppSimMagToFlux (float mag, float zp);
 
 #endif