<?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: Capacitance.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 capacitance conversions

 *

 * @category   Zend

 * @package    Zend_Measure

 * @subpackage Zend_Measure_Capacitance

 * @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_Capacitance extends Zend_Measure_Abstract

{

    const STANDARD = 'FARAD';

    const ABFARAD                = 'ABFARAD';

    const AMPERE_PER_SECOND_VOLT = 'AMPERE_PER_SECOND_VOLT';

    const CENTIFARAD             = 'CENTIFARAD';

    const COULOMB_PER_VOLT       = 'COULOMB_PER_VOLT';

    const DECIFARAD              = 'DECIFARAD';

    const DEKAFARAD              = 'DEKAFARAD';

    const ELECTROMAGNETIC_UNIT   = 'ELECTROMAGNETIC_UNIT';

    const ELECTROSTATIC_UNIT     = 'ELECTROSTATIC_UNIT';

    const FARAD                  = 'FARAD';

    const FARAD_INTERNATIONAL    = 'FARAD_INTERNATIONAL';

    const GAUSSIAN               = 'GAUSSIAN';

    const GIGAFARAD              = 'GIGAFARAD';

    const HECTOFARAD             = 'HECTOFARAD';

    const JAR                    = 'JAR';

    const KILOFARAD              = 'KILOFARAD';

    const MEGAFARAD              = 'MEGAFARAD';

    const MICROFARAD             = 'MICROFARAD';

    const MILLIFARAD             = 'MILLIFARAD';

    const NANOFARAD              = 'NANOFARAD';

    const PICOFARAD              = 'PICOFARAD';

    const PUFF                   = 'PUFF';

    const SECOND_PER_OHM         = 'SECOND_PER_OHM';

    const STATFARAD              = 'STATFARAD';

    const TERAFARAD              = 'TERAFARAD';

    /**

     * Calculations for all capacitance units

     *

     * @var array

     */

    protected $_units = array(

        'ABFARAD'              => array('1.0e+9',      'abfarad'),

        'AMPERE_PER_SECOND_VOLT' => array('1',         'A/sV'),

        'CENTIFARAD'           => array('0.01',        'cF'),

        'COULOMB_PER_VOLT'     => array('1',           'C/V'),

        'DECIFARAD'            => array('0.1',         'dF'),

        'DEKAFARAD'            => array('10',          'daF'),

        'ELECTROMAGNETIC_UNIT' => array('1.0e+9',      'capacity emu'),

        'ELECTROSTATIC_UNIT'   => array('1.11265e-12', 'capacity esu'),

        'FARAD'                => array('1',           'F'),

        'FARAD_INTERNATIONAL'  => array('0.99951',     'F'),

        'GAUSSIAN'             => array('1.11265e-12', 'G'),

        'GIGAFARAD'            => array('1.0e+9',      'GF'),

        'HECTOFARAD'           => array('100',         'hF'),

        'JAR'                  => array('1.11265e-9',  'jar'),

        'KILOFARAD'            => array('1000',        'kF'),

        'MEGAFARAD'            => array('1000000',     'MF'),

        'MICROFARAD'           => array('0.000001',    'µF'),

        'MILLIFARAD'           => array('0.001',       'mF'),

        'NANOFARAD'            => array('1.0e-9',      'nF'),

        'PICOFARAD'            => array('1.0e-12',     'pF'),

        'PUFF'                 => array('1.0e-12',     'pF'),

        'SECOND_PER_OHM'       => array('1',           's/Ohm'),

        'STATFARAD'            => array('1.11265e-12', 'statfarad'),

        'TERAFARAD'            => array('1.0e+12',     'TF'),

        'STANDARD'             => 'FARAD'

    );

}