math.ml

(* ----------------------------------------------------------------------------
 * SchedMCore - A MultiCore Scheduling Framework
 * Copyright (C) 2012, ONERA, Toulouse, FRANCE
 *
 * This file is part of Interlude
 *
 * Interlude is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * Prelude 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser 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 rec gcd u v =
  if v <> 0 then (gcd v (u mod v))
  else (abs u)

let lcm m n =
  match m, n with
  | 0, _ | _, 0 -> 0
  | m, n -> abs (m * n) / (gcd m n)