<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)

 * @license   http://framework.zend.com/license/new-bsd     New BSD License

 * @version   $Id: Torque.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * Implement needed classes

 */

require_once 'Zend/Measure/Abstract.php';

require_once 'Zend/Locale.php';

/**

 * Class for handling torque conversions

 *

 * @category   Zend

 * @package    Zend_Measure

 * @subpackage Zend_Measure_Torque

 * @copyright  Copyright (c) 2005-2010 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

{

    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';

    /**

     * Calculations for all torque units

     *

     * @var array

     */

    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'

    );

}