Index: trunk/LMDZ.MARS/libf/dyn3d/control.h
===================================================================
--- trunk/LMDZ.MARS/libf/dyn3d/control.h	(revision 828)
+++ trunk/LMDZ.MARS/libf/dyn3d/control.h	(revision 831)
@@ -5,9 +5,10 @@
 !
 
-      COMMON/control_i/day_step,                                        &
+      COMMON/control_i/ndynstep,day_step,                               &
      &              iperiod,iconser,idissip,iphysiq ,                   &
      &              anneeref
       COMMON/control_r/periodav,ecritphy,nday_r
 
+      INTEGER ndynstep ! # of dynamical time steps to run (if negative or not specified in run.def, nday_r is used instead)
       INTEGER day_step ! # of dynamical time steps per day
       INTEGER iperiod  ! make a Matsuno step before avery iperiod-1 LF steps