<?php
// (c) Copyright 2002-2010 by authors of the Tiki Wiki/CMS/Groupware Project
// 
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id: Add.php 25325 2010-02-17 21:55:51Z lphuberdeau $

require_once 'Math/Formula/Function.php';
class Math_Formula_Function_Add extends Math_Formula_Function
{
	function evaluate( $element ) {
		$out = 0;

		foreach( $element as $child ) {
			$out += $this->evaluateChild( $child );
		}

		return $out;
	}
}

