[MITgcm-cvs] MITgcm/model/src CVS Commit

[Patrick Heimbach]

Update of /u/gcmpack/MITgcm/model/src
In directory forge:/tmp/cvs-serv21319/model/src

Modified Files:
	the_main_loop.F 
Log Message:
Implement 4-level checkpointing.
Needed for high-res. runs with large global files to be able to
limit tapelev size (otherwise a potential show-stopper).