<?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: Temperature.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 temperature conversions

 *

 * @category   Zend

 * @package    Zend_Measure

 * @subpackage Zend_Measure_Temperature

 * @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_Temperature extends Zend_Measure_Abstract

{

    const STANDARD = 'KELVIN';

    const CELSIUS    = 'CELSIUS';

    const FAHRENHEIT = 'FAHRENHEIT';

    const RANKINE    = 'RANKINE';

    const REAUMUR    = 'REAUMUR';

    const KELVIN     = 'KELVIN';

    /**

     * Calculations for all temperature units

     *

     * @var array

     */

    protected $_units = array(

        'CELSIUS'    => array(array('' => '1', '+' => '273.15'),'°C'),

        'FAHRENHEIT' => array(array('' => '1', '-' => '32', '/' => '1.8', '+' => '273.15'),'°F'),

        'RANKINE'    => array(array('' => '1', '/' => '1.8'),'°R'),

        'REAUMUR'    => array(array('' => '1', '*' => '1.25', '+' => '273.15'),'°r'),

        'KELVIN'     => array(1,'°K'),

        'STANDARD'   => 'KELVIN'

    );

}