<?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: Force.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 force conversions

 *

 * @category   Zend

 * @package    Zend_Measure

 * @subpackage Zend_Measure_Force

 * @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_Force extends Zend_Measure_Abstract

{

    const STANDARD = 'NEWTON';

    const ATTONEWTON      = 'ATTONEWTON';

    const CENTINEWTON     = 'CENTINEWTON';

    const DECIGRAM_FORCE  = 'DECIGRAM_FORCE';

    const DECINEWTON      = 'DECINEWTON';

    const DEKAGRAM_FORCE  = 'DEKAGRAM_FORCE';

    const DEKANEWTON      = 'DEKANEWTON';

    const DYNE            = 'DYNE';

    const EXANEWTON       = 'EXANEWTON';

    const FEMTONEWTON     = 'FEMTONEWTON';

    const GIGANEWTON      = 'GIGANEWTON';

    const GRAM_FORCE      = 'GRAM_FORCE';

    const HECTONEWTON     = 'HECTONEWTON';

    const JOULE_PER_METER = 'JOULE_PER_METER';

    const KILOGRAM_FORCE  = 'KILOGRAM_FORCE';

    const KILONEWTON      = 'KILONEWTON';

    const KILOPOND        = 'KILOPOND';

    const KIP             = 'KIP';

    const MEGANEWTON      = 'MEGANEWTON';

    const MEGAPOND        = 'MEGAPOND';

    const MICRONEWTON     = 'MICRONEWTON';

    const MILLINEWTON     = 'MILLINEWTON';

    const NANONEWTON      = 'NANONEWTON';

    const NEWTON          = 'NEWTON';

    const OUNCE_FORCE     = 'OUNCE_FORCE';

    const PETANEWTON      = 'PETANEWTON';

    const PICONEWTON      = 'PICONEWTON';

    const POND            = 'POND';

    const POUND_FORCE     = 'POUND_FORCE';

    const POUNDAL         = 'POUNDAL';

    const STHENE          = 'STHENE';

    const TERANEWTON      = 'TERANEWTON';

    const TON_FORCE_LONG  = 'TON_FORCE_LONG';

    const TON_FORCE       = 'TON_FORCE';

    const TON_FORCE_SHORT = 'TON_FORCE_SHORT';

    const YOCTONEWTON     = 'YOCTONEWTON';

    const YOTTANEWTON     = 'YOTTANEWTON';

    const ZEPTONEWTON     = 'ZEPTONEWTON';

    const ZETTANEWTON     = 'ZETTANEWTON';

    /**

     * Calculations for all force units

     *

     * @var array

     */

    protected $_units = array(

        'ATTONEWTON'      => array('1.0e-18',     'aN'),

        'CENTINEWTON'     => array('0.01',        'cN'),

        'DECIGRAM_FORCE'  => array('0.000980665', 'dgf'),

        'DECINEWTON'      => array('0.1',         'dN'),

        'DEKAGRAM_FORCE'  => array('0.0980665',   'dagf'),

        'DEKANEWTON'      => array('10',          'daN'),

        'DYNE'            => array('0.00001',     'dyn'),

        'EXANEWTON'       => array('1.0e+18',     'EN'),

        'FEMTONEWTON'     => array('1.0e-15',     'fN'),

        'GIGANEWTON'      => array('1.0e+9',      'GN'),

        'GRAM_FORCE'      => array('0.00980665',  'gf'),

        'HECTONEWTON'     => array('100',         'hN'),

        'JOULE_PER_METER' => array('1',           'J/m'),

        'KILOGRAM_FORCE'  => array('9.80665',     'kgf'),

        'KILONEWTON'      => array('1000',        'kN'),

        'KILOPOND'        => array('9.80665',     'kp'),

        'KIP'             => array('4448.2216',   'kip'),

        'MEGANEWTON'      => array('1000000',     'Mp'),

        'MEGAPOND'        => array('9806.65',     'MN'),

        'MICRONEWTON'     => array('0.000001',    'µN'),

        'MILLINEWTON'     => array('0.001',       'mN'),

        'NANONEWTON'      => array('0.000000001', 'nN'),

        'NEWTON'          => array('1',           'N'),

        'OUNCE_FORCE'     => array('0.27801385',  'ozf'),

        'PETANEWTON'      => array('1.0e+15',     'PN'),

        'PICONEWTON'      => array('1.0e-12',     'pN'),

        'POND'            => array('0.00980665',  'pond'),

        'POUND_FORCE'     => array('4.4482216',   'lbf'),

        'POUNDAL'         => array('0.13825495',  'pdl'),

        'STHENE'          => array('1000',        'sn'),

        'TERANEWTON'      => array('1.0e+12',     'TN'),

        'TON_FORCE_LONG'  => array('9964.016384', 'tnf'),

        'TON_FORCE'       => array('9806.65',     'tnf'),

        'TON_FORCE_SHORT' => array('8896.4432',   'tnf'),

        'YOCTONEWTON'     => array('1.0e-24',     'yN'),

        'YOTTANEWTON'     => array('1.0e+24',     'YN'),

        'ZEPTONEWTON'     => array('1.0e-21',     'zN'),

        'ZETTANEWTON'     => array('1.0e+21',     'ZN'),

        'STANDARD'        => 'NEWTON'

    );

}