ocaml/test/fib.ml

25 lines
1.0 KiB
OCaml

(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* $Id$ *)
let rec fib n =
if n < 2 then 1 else fib(n-1) + fib(n-2)
let _ =
let n =
if Array.length Sys.argv >= 2
then int_of_string Sys.argv.(1)
else 30 in
print_int(fib n); print_newline(); exit 0