Index: firmware/App/Controllers/DialOutFlow.c
===================================================================
diff -u -rca832c441b1e36e409fdc2a7d479ab4901187293 -ra74a66caeda4a3a9b831d9f7c698553fa6fa0882
--- firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision ca832c441b1e36e409fdc2a7d479ab4901187293)
+++ firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision a74a66caeda4a3a9b831d9f7c698553fa6fa0882)
@@ -15,7 +15,7 @@
 *
 ***************************************************************************/
 
-#include <math.h>
+#include <math.h>   // Using fabs() function
 
 #include "etpwm.h"
 #include "gio.h"