Power.php
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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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Power.php 23775 2011-03-01 17:25:24Z ralph $
*/
/**
* Implement needed classes
*/
require_once 'Zend/Measure/Abstract.php';
require_once 'Zend/Locale.php';
/**
* Class for handling power conversions
*
* @category Zend
* @package Zend_Measure
* @subpackage Zend_Measure_Power
* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Measure_Power extends Zend_Measure_Abstract
{
const STANDARD = 'WATT';
const ATTOWATT = 'ATTOWATT';
const BTU_PER_HOUR = 'BTU_PER_HOUR';
const BTU_PER_MINUTE = 'BTU_PER_MINUTE';
const BTU_PER_SECOND = 'BTU_PER_SECOND';
const CALORIE_PER_HOUR = 'CALORIE_PER_HOUR';
const CALORIE_PER_MINUTE = 'CALORIE_PER_MINUTE';
const CALORIE_PER_SECOND = 'CALORIE_PER_SECOND';
const CENTIWATT = 'CENTIWATT';
const CHEVAL_VAPEUR = 'CHEVAL_VAPEUR';
const CLUSEC = 'CLUSEC';
const DECIWATT = 'DECIWATT';
const DEKAWATT = 'DEKAWATT';
const DYNE_CENTIMETER_PER_HOUR = 'DYNE_CENTIMETER_PER_HOUR';
const DYNE_CENTIMETER_PER_MINUTE = 'DYNE_CENTIMETER_PER_MINUTE';
const DYNE_CENTIMETER_PER_SECOND = 'DYNE_CENTIMETER_PER_SECOND';
const ERG_PER_HOUR = 'ERG_PER_HOUR';
const ERG_PER_MINUTE = 'ERG_PER_MINUTE';
const ERG_PER_SECOND = 'ERG_PER_SECOND';
const EXAWATT = 'EXAWATT';
const FEMTOWATT = 'FEMTOWATT';
const FOOT_POUND_FORCE_PER_HOUR = 'FOOT_POUND_FORCE_PER_HOUR';
const FOOT_POUND_FORCE_PER_MINUTE = 'FOOT_POUND_FORCE_PER_MINUTE';
const FOOT_POUND_FORCE_PER_SECOND = 'FOOT_POUND_FORCE_PER_SECOND';
const FOOT_POUNDAL_PER_HOUR = 'FOOT_POUNDAL_PER_HOUR';
const FOOT_POUNDAL_PER_MINUTE = 'FOOT_POUNDAL_PER_MINUTE';
const FOOT_POUNDAL_PER_SECOND = 'FOOT_POUNDAL_PER_SECOND';
const GIGAWATT = 'GIGAWATT';
const GRAM_FORCE_CENTIMETER_PER_HOUR = 'GRAM_FORCE_CENTIMETER_PER_HOUR';
const GRAM_FORCE_CENTIMETER_PER_MINUTE = 'GRAM_FORCE_CENTIMETER_PER_MINUTE';
const GRAM_FORCE_CENTIMETER_PER_SECOND = 'GRAM_FORCE_CENTIMETER_PER_SECOND';
const HECTOWATT = 'HECTOWATT';
const HORSEPOWER_INTERNATIONAL = 'HORSEPOWER_INTERNATIONAL';
const HORSEPOWER_ELECTRIC = 'HORSEPOWER_ELECTRIC';
const HORSEPOWER = 'HORSEPOWER';
const HORSEPOWER_WATER = 'HORSEPOWER_WATER';
const INCH_OUNCE_FORCE_REVOLUTION_PER_MINUTE = 'INCH_OUNCH_FORCE_REVOLUTION_PER_MINUTE';
const JOULE_PER_HOUR = 'JOULE_PER_HOUR';
const JOULE_PER_MINUTE = 'JOULE_PER_MINUTE';
const JOULE_PER_SECOND = 'JOULE_PER_SECOND';
const KILOCALORIE_PER_HOUR = 'KILOCALORIE_PER_HOUR';
const KILOCALORIE_PER_MINUTE = 'KILOCALORIE_PER_MINUTE';
const KILOCALORIE_PER_SECOND = 'KILOCALORIE_PER_SECOND';
const KILOGRAM_FORCE_METER_PER_HOUR = 'KILOGRAM_FORCE_METER_PER_HOUR';
const KILOGRAM_FORCE_METER_PER_MINUTE = 'KILOGRAM_FORCE_METER_PER_MINUTE';
const KILOGRAM_FORCE_METER_PER_SECOND = 'KILOGRAM_FORCE_METER_PER_SECOND';
const KILOPOND_METER_PER_HOUR = 'KILOPOND_METER_PER_HOUR';
const KILOPOND_METER_PER_MINUTE = 'KILOPOND_METER_PER_MINUTE';
const KILOPOND_METER_PER_SECOND = 'KILOPOND_METER_PER_SECOND';
const KILOWATT = 'KILOWATT';
const MEGAWATT = 'MEGAWATT';
const MICROWATT = 'MICROWATT';
const MILLION_BTU_PER_HOUR = 'MILLION_BTU_PER_HOUR';
const MILLIWATT = 'MILLIWATT';
const NANOWATT = 'NANOWATT';
const NEWTON_METER_PER_HOUR = 'NEWTON_METER_PER_HOUR';
const NEWTON_METER_PER_MINUTE = 'NEWTON_METER_PER_MINUTE';
const NEWTON_METER_PER_SECOND = 'NEWTON_METER_PER_SECOND';
const PETAWATT = 'PETAWATT';
const PFERDESTAERKE = 'PFERDESTAERKE';
const PICOWATT = 'PICOWATT';
const PONCELET = 'PONCELET';
const POUND_SQUARE_FOOR_PER_CUBIC_SECOND = 'POUND_SQUARE_FOOT_PER_CUBIC_SECOND';
const TERAWATT = 'TERAWATT';
const TON_OF_REFRIGERATION = 'TON_OF_REFRIGERATION';
const WATT = 'WATT';
const YOCTOWATT = 'YOCTOWATT';
const YOTTAWATT = 'YOTTAWATT';
const ZEPTOWATT = 'ZEPTOWATT';
const ZETTAWATT = 'ZETTAWATT';
/**
* Calculations for all power units
*
* @var array
*/
protected $_units = array(
'ATTOWATT' => array('1.0e-18', 'aW'),
'BTU_PER_HOUR' => array('0.29307197', 'BTU/h'),
'BTU_PER_MINUTE' => array('17.5843182', 'BTU/m'),
'BTU_PER_SECOND' => array('1055.059092', 'BTU/s'),
'CALORIE_PER_HOUR' => array(array('' => '11630', '*' => '1.0e-7'), 'cal/h'),
'CALORIE_PER_MINUTE' => array(array('' => '697800', '*' => '1.0e-7'), 'cal/m'),
'CALORIE_PER_SECOND' => array(array('' => '41868000', '*' => '1.0e-7'), 'cal/s'),
'CENTIWATT' => array('0.01', 'cW'),
'CHEVAL_VAPEUR' => array('735.49875', 'cv'),
'CLUSEC' => array('0.0000013332237', 'clusec'),
'DECIWATT' => array('0.1', 'dW'),
'DEKAWATT' => array('10', 'daW'),
'DYNE_CENTIMETER_PER_HOUR' => array(array('' => '1.0e-7','/' => '3600'), 'dyn cm/h'),
'DYNE_CENTIMETER_PER_MINUTE' => array(array('' => '1.0e-7','/' => '60'), 'dyn cm/m'),
'DYNE_CENTIMETER_PER_SECOND' => array('1.0e-7', 'dyn cm/s'),
'ERG_PER_HOUR' => array(array('' => '1.0e-7','/' => '3600'), 'erg/h'),
'ERG_PER_MINUTE' => array(array('' => '1.0e-7','/' => '60'), 'erg/m'),
'ERG_PER_SECOND' => array('1.0e-7', 'erg/s'),
'EXAWATT' => array('1.0e+18', 'EW'),
'FEMTOWATT' => array('1.0e-15', 'fW'),
'FOOT_POUND_FORCE_PER_HOUR' => array(array('' => '1.3558179', '/' => '3600'), 'ft lb/h'),
'FOOT_POUND_FORCE_PER_MINUTE' => array(array('' => '1.3558179', '/' => '60'), 'ft lb/m'),
'FOOT_POUND_FORCE_PER_SECOND' => array('1.3558179', 'ft lb/s'),
'FOOT_POUNDAL_PER_HOUR' => array(array('' => '0.04214011','/' => '3600'), 'ft pdl/h'),
'FOOT_POUNDAL_PER_MINUTE' => array(array('' => '0.04214011', '/' => '60'), 'ft pdl/m'),
'FOOT_POUNDAL_PER_SECOND' => array('0.04214011', 'ft pdl/s'),
'GIGAWATT' => array('1.0e+9', 'GW'),
'GRAM_FORCE_CENTIMETER_PER_HOUR' => array(array('' => '0.0000980665','/' => '3600'), 'gf cm/h'),
'GRAM_FORCE_CENTIMETER_PER_MINUTE' => array(array('' => '0.0000980665','/' => '60'), 'gf cm/m'),
'GRAM_FORCE_CENTIMETER_PER_SECOND' => array('0.0000980665', 'gf cm/s'),
'HECTOWATT' => array('100', 'hW'),
'HORSEPOWER_INTERNATIONAL' => array('745.69987', 'hp'),
'HORSEPOWER_ELECTRIC' => array('746', 'hp'),
'HORSEPOWER' => array('735.49875', 'hp'),
'HORSEPOWER_WATER' => array('746.043', 'hp'),
'INCH_OUNCH_FORCE_REVOLUTION_PER_MINUTE' => array('0.00073948398', 'in ocf/m'),
'JOULE_PER_HOUR' => array(array('' => '1', '/' => '3600'), 'J/h'),
'JOULE_PER_MINUTE' => array(array('' => '1', '/' => '60'), 'J/m'),
'JOULE_PER_SECOND' => array('1', 'J/s'),
'KILOCALORIE_PER_HOUR' => array('1.163', 'kcal/h'),
'KILOCALORIE_PER_MINUTE' => array('69.78', 'kcal/m'),
'KILOCALORIE_PER_SECOND' => array('4186.8', 'kcal/s'),
'KILOGRAM_FORCE_METER_PER_HOUR' => array(array('' => '9.80665', '/' => '3600'), 'kgf m/h'),
'KILOGRAM_FORCE_METER_PER_MINUTE' => array(array('' => '9.80665', '/' => '60'), 'kfg m/m'),
'KILOGRAM_FORCE_METER_PER_SECOND' => array('9.80665', 'kfg m/s'),
'KILOPOND_METER_PER_HOUR' => array(array('' => '9.80665', '/' => '3600'), 'kp/h'),
'KILOPOND_METER_PER_MINUTE' => array(array('' => '9.80665', '/' => '60'), 'kp/m'),
'KILOPOND_METER_PER_SECOND' => array('9.80665', 'kp/s'),
'KILOWATT' => array('1000', 'kW'),
'MEGAWATT' => array('1000000', 'MW'),
'MICROWATT' => array('0.000001', 'µW'),
'MILLION_BTU_PER_HOUR' => array('293071.07', 'mio BTU/h'),
'MILLIWATT' => array('0.001', 'mM'),
'NANOWATT' => array('1.0e-9', 'nN'),
'NEWTON_METER_PER_HOUR' => array(array('' => '1', '/' => '3600'), 'Nm/h'),
'NEWTON_METER_PER_MINUTE' => array(array('' => '1', '/' => '60'), 'Nm/m'),
'NEWTON_METER_PER_SECOND' => array('1', 'Nm/s'),
'PETAWATT' => array('1.0e+15', 'PW'),
'PFERDESTAERKE' => array('735.49875', 'PS'),
'PICOWATT' => array('1.0e-12', 'pW'),
'PONCELET' => array('980.665', 'p'),
'POUND_SQUARE_FOOT_PER_CUBIC_SECOND' => array('0.04214011', 'lb ft²/s³'),
'TERAWATT' => array('1.0e+12', 'TW'),
'TON_OF_REFRIGERATION' => array('3516.85284', 'RT'),
'WATT' => array('1', 'W'),
'YOCTOWATT' => array('1.0e-24', 'yW'),
'YOTTAWATT' => array('1.0e+24', 'YW'),
'ZEPTOWATT' => array('1.0e-21', 'zW'),
'ZETTAWATT' => array('1.0e+21', 'ZW'),
'STANDARD' => 'WATT'
);
}