(* Planets: A celestial simulator Copyright (C) 2001-2003 Yaron M. Minsky This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *) let version = "0.1.13" let debugging = ref false let debug_msg msg = if !debugging then (print_string msg; print_newline ()) type 'a reference = { mutable v: 'a } type fref = { mutable fv: float } let lpush el l = l := el::!l (** argument parsing code *) let anonymous = ref [] let spec = [ ("-debug", Arg.Set debugging, "Turn debugging mode on") ] let () = Arg.parse spec (fun s -> lpush s anonymous) "planets [-debug]"