<?php
/* MT4Analysis project math library module.
   Copyright (C) 2009, Future Lab.

   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, get a copy via the Internet at
   http://gnu.org/copyleft/gpl.html or write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
   MA 02111-1307 USA

   You can contact the author via email at rsmereka@future-lab.com

   Original version. Aug/2009, Rick Smereka */

function change_int_sign($in)
{
   /* Change the sign on an integer. Returns the changed integer.
      Floating point not allowed. */
   if (!num($in))
      die("change_int_sign:'$in' is not an integer");

   return(0 - $in);
}
?>
