<?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: Acceleration.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 acceleration conversions

 *

 * @category   Zend

 * @package    Zend_Measure

 * @subpackage Zend_Measure_Acceleration

 * @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_Acceleration extends Zend_Measure_Abstract

{

    const STANDARD = 'METER_PER_SQUARE_SECOND';

    const CENTIGAL                     = 'CENTIGAL';

    const CENTIMETER_PER_SQUARE_SECOND = 'CENTIMETER_PER_SQUARE_SECOND';

    const DECIGAL                      = 'DECIGAL';

    const DECIMETER_PER_SQUARE_SECOND  = 'DECIMETER_PER_SQUARE_SECOND';

    const DEKAMETER_PER_SQUARE_SECOND  = 'DEKAMETER_PER_SQUARE_SECOND';

    const FOOT_PER_SQUARE_SECOND       = 'FOOT_PER_SQUARE_SECOND';

    const G                            = 'G';

    const GAL                          = 'GAL';

    const GALILEO                      = 'GALILEO';

    const GRAV                         = 'GRAV';

    const HECTOMETER_PER_SQUARE_SECOND = 'HECTOMETER_PER_SQUARE_SECOND';

    const INCH_PER_SQUARE_SECOND       = 'INCH_PER_SQUARE_SECOND';

    const KILOMETER_PER_HOUR_SECOND    = 'KILOMETER_PER_HOUR_SECOND';

    const KILOMETER_PER_SQUARE_SECOND  = 'KILOMETER_PER_SQUARE_SECOND';

    const METER_PER_SQUARE_SECOND      = 'METER_PER_SQUARE_SECOND';

    const MILE_PER_HOUR_MINUTE         = 'MILE_PER_HOUR_MINUTE';

    const MILE_PER_HOUR_SECOND         = 'MILE_PER_HOUR_SECOND';

    const MILE_PER_SQUARE_SECOND       = 'MILE_PER_SQUARE_SECOND';

    const MILLIGAL                     = 'MILLIGAL';

    const MILLIMETER_PER_SQUARE_SECOND = 'MILLIMETER_PER_SQUARE_SECOND';

    /**

     * Calculations for all acceleration units

     *

     * @var array

     */

    protected $_units = array(

        'CENTIGAL'                     => array('0.0001',   'cgal'),

        'CENTIMETER_PER_SQUARE_SECOND' => array('0.01',     'cm/s²'),

        'DECIGAL'                      => array('0.001',    'dgal'),

        'DECIMETER_PER_SQUARE_SECOND'  => array('0.1',      'dm/s²'),

        'DEKAMETER_PER_SQUARE_SECOND'  => array('10',       'dam/s²'),

        'FOOT_PER_SQUARE_SECOND'       => array('0.3048',   'ft/s²'),

        'G'                            => array('9.80665',  'g'),

        'GAL'                          => array('0.01',     'gal'),

        'GALILEO'                      => array('0.01',     'gal'),

        'GRAV'                         => array('9.80665',  'g'),

        'HECTOMETER_PER_SQUARE_SECOND' => array('100',      'h/s²'),

        'INCH_PER_SQUARE_SECOND'       => array('0.0254',   'in/s²'),

        'KILOMETER_PER_HOUR_SECOND'    => array(array('' => '5','/' => '18'), 'km/h²'),

        'KILOMETER_PER_SQUARE_SECOND'  => array('1000',     'km/s²'),

        'METER_PER_SQUARE_SECOND'      => array('1',        'm/s²'),

        'MILE_PER_HOUR_MINUTE'         => array(array('' => '22', '/' => '15', '*' => '0.3048', '/' => '60'), 'mph/m'),

        'MILE_PER_HOUR_SECOND'         => array(array('' => '22', '/' => '15', '*' => '0.3048'), 'mph/s'),

        'MILE_PER_SQUARE_SECOND'       => array('1609.344', 'mi/s²'),

        'MILLIGAL'                     => array('0.00001',  'mgal'),

        'MILLIMETER_PER_SQUARE_SECOND' => array('0.001',    'mm/s²'),

        'STANDARD'                     => 'METER_PER_SQUARE_SECOND'

    );

}