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 <?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license   http://framework.zend.com/license/new-bsd     New BSD License
  * @version   $Id$
  */
 
 /**
  * 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) 2005-2015 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'
     );
 }