<?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 temperature conversions
 *
 * @category   Zend
 * @package    Zend_Measure
 * @subpackage Zend_Measure_Temperature
 * @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_Temperature extends Zend_Measure_Abstract
{
    public const STANDARD = 'KELVIN';

    public const CELSIUS    = 'CELSIUS';
    public const FAHRENHEIT = 'FAHRENHEIT';
    public const RANKINE    = 'RANKINE';
    public const REAUMUR    = 'REAUMUR';
    public const KELVIN     = 'KELVIN';

    /**
     * Calculations for all temperature units
     *
     * @var array
     */
    protected $_units = [
        'CELSIUS'    => [['' => '1', '+' => '273.15'],'°C'],
        'FAHRENHEIT' => [['' => '1', '-' => '32', '/' => '1.8', '+' => '273.15'],'°F'],
        'RANKINE'    => [['' => '1', '/' => '1.8'],'°R'],
        'REAUMUR'    => [['' => '1', '*' => '1.25', '+' => '273.15'],'°r'],
        'KELVIN'     => [1,'°K'],
        'STANDARD'   => 'KELVIN'
    ];
}