<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Measure
 * @copyright  Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @version    $Id: Torque.php 3224 2007-02-05 22:08:48Z gavin $
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */


/**
 * Implement needed classes
 */
require_once 'Zend/Measure/Exception.php';
require_once 'Zend/Measure/Abstract.php';
require_once 'Zend/Locale.php';


/**
 * @category   Zend
 * @package    Zend_Measure
 * @subpackage Zend_Measure_Torque
 * @copyright  Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Measure_Torque extends Zend_Measure_Abstract
{
    // Torque definitions
    const STANDARD = 'NEWTON_METER';

    const DYNE_CENTIMETER     = 'DYNE_CENTIMETER';
    const GRAM_CENTIMETER     = 'GRAM_CENTIMETER';
    const KILOGRAM_CENTIMETER = 'KILOGRAM_CENTIMETER';
    const KILOGRAM_METER      = 'KILOGRAM_METER';
    const KILONEWTON_METER    = 'KILONEWTON_METER';
    const KILOPOND_METER      = 'KILOPOND_METER';
    const MEGANEWTON_METER    = 'MEGANEWTON_METER';
    const MICRONEWTON_METER   = 'MICRONEWTON_METER';
    const MILLINEWTON_METER   = 'MILLINEWTON_METER';
    const NEWTON_CENTIMETER   = 'NEWTON_CENTIMETER';
    const NEWTON_METER        = 'NEWTON_METER';
    const OUNCE_FOOT          = 'OUNCE_FOOT';
    const OUNCE_INCH          = 'OUNCE_INCH';
    const POUND_FOOT          = 'POUND_FOOT';
    const POUNDAL_FOOT        = 'POUNDAL_FOOT';
    const POUND_INCH          = 'POUND_INCH';

    protected $_UNITS = array(
        'DYNE_CENTIMETER'     => array(0.0000001,          'dyncm'),
        'GRAM_CENTIMETER'     => array(0.0000980665,       'gcm'),
        'KILOGRAM_CENTIMETER' => array(0.0980665,          'kgcm'),
        'KILOGRAM_METER'      => array(9.80665,            'kgm'),
        'KILONEWTON_METER'    => array(1000,               'kNm'),
        'KILOPOND_METER'      => array(9.80665,            'kpm'),
        'MEGANEWTON_METER'    => array(1000000,            'MNm'),
        'MICRONEWTON_METER'   => array(0.000001,           'µNm'),
        'MILLINEWTON_METER'   => array(0.001,              'mNm'),
        'NEWTON_CENTIMETER'   => array(0.01,               'Ncm'),
        'NEWTON_METER'        => array(1,                  'Nm'),
        'OUNCE_FOOT'          => array(0.084738622,        'ozft'),
        'OUNCE_INCH'          => array(array('' => 0.084738622, '/' => 12), 'ozin'),
        'POUND_FOOT'          => array(array('' => 0.084738622, '*' => 16), 'lbft'),
        'POUNDAL_FOOT'        => array(0.0421401099752144, 'plft'),
        'POUND_INCH'          => array(array('' => 0.084738622, '/' => 12, '*' => 16), 'lbin'),
        'STANDARD'            => 'NEWTON_METER'
    );
}