<?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) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @version    $Id: Energy.php 3224 2007-02-05 22:08:48Z gavin $
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */


/**
 * Implement needed classes
 */
require_once 'Zend/Measure/Exception.php';
require_once 'Zend/Measure/Abstract.php';
require_once 'Zend/Locale.php';


/**
 * @category   Zend
 * @package    Zend_Measure
 * @subpackage Zend_Measure_Energy
 * @copyright  Copyright (c) 2005-2007 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Measure_Energy extends Zend_Measure_Abstract
{
    // Energy definitions
    const STANDARD = 'JOULE';

    const ATTOJOULE              = 'ATTOJOULE';
    const BOARD_OF_TRADE_UNIT    = 'BOARD_OF_TRADE_UNIT';
    const BTU                    = 'BTU';
    const BTU_THERMOCHEMICAL     = 'BTU_TERMOCHEMICAL';
    const CALORIE                = 'CALORIE';
    const CALORIE_15C            = 'CALORIE_15C';
    const CALORIE_NUTRITIONAL    = 'CALORIE_NUTRITIONAL';
    const CALORIE_THERMOCHEMICAL = 'CALORIE_THERMOCHEMICAL';
    const CELSIUS_HEAT_UNIT      = 'CELSIUS_HEAT_UNIT';
    const CENTIJOULE             = 'CENTIJOULE';
    const CHEVAL_VAPEUR_HEURE    = 'CHEVAL_VAPEUR_HEURE';
    const DECIJOULE              = 'DECIJOULE';
    const DEKAJOULE              = 'DEKAJOULE';
    const DEKAWATT_HOUR          = 'DEKAWATT_HOUR';
    const DEKATHERM              = 'DEKATHERM';
    const ELECTRONVOLT           = 'ELECTRONVOLT';
    const ERG                    = 'ERG';
    const EXAJOULE               = 'EXAJOULE';
    const EXAWATT_HOUR           = 'EXAWATT_HOUR';
    const FEMTOJOULE             = 'FEMTOJOULE';
    const FOOT_POUND             = 'FOOT_POUND';
    const FOOT_POUNDAL           = 'FOOT_POUNDAL';
    const GALLON_UK_AUTOMOTIVE   = 'GALLON_UK_AUTOMOTIVE';
    const GALLON_US_AUTOMOTIVE   = 'GALLON_US_AUTOMOTIVE';
    const GALLON_UK_AVIATION     = 'GALLON_UK_AVIATION';
    const GALLON_US_AVIATION     = 'GALLON_US_AVIATION';
    const GALLON_UK_DIESEL       = 'GALLON_UK_DIESEL';
    const GALLON_US_DIESEL       = 'GALLON_US_DIESEL';
    const GALLON_UK_DISTILATE    = 'GALLON_UK_DISTILATE';
    const GALLON_US_DISTILATE    = 'GALLON_US_DISTILATE';
    const GALLON_UK_KEROSINE_JET = 'GALLON_UK_KEROSINE_JET';
    const GALLON_US_KEROSINE_JET = 'GALLON_US_KEROSINE_JET';
    const GALLON_UK_LPG          = 'GALLON_UK_LPG';
    const GALLON_US_LPG          = 'GALLON_US_LPG';
    const GALLON_UK_NAPHTA       = 'GALLON_UK_NAPHTA';
    const GALLON_US_NAPHTA       = 'GALLON_US_NAPHTA';
    const GALLON_UK_KEROSENE     = 'GALLON_UK_KEROSINE';
    const GALLON_US_KEROSENE     = 'GALLON_US_KEROSINE';
    const GALLON_UK_RESIDUAL     = 'GALLON_UK_RESIDUAL';
    const GALLON_US_RESIDUAL     = 'GALLON_US_RESIDUAL';
    const GIGAELECTRONVOLT       = 'GIGAELECTRONVOLT';
    const GIGACALORIE            = 'GIGACALORIE';
    const GIGACALORIE_15C        = 'GIGACALORIE_15C';
    const GIGAJOULE              = 'GIGAJOULE';
    const GIGAWATT_HOUR          = 'GIGAWATT_HOUR';
    const GRAM_CALORIE           = 'GRAM_CALORIE';
    const HARTREE                = 'HARTREE';
    const HECTOJOULE             = 'HECTOJOULE';
    const HECTOWATT_HOUR         = 'HECTOWATT_HOUR';
    const HORSEPOWER_HOUR        = 'HORSEPOWER_HOUR';
    const HUNDRED_CUBIC_FOOT_GAS = 'HUNDRED_CUBIC_FOOT_GAS';
    const INCH_OUNCE             = 'INCH_OUNCE';
    const INCH_POUND             = 'INCH_POUND';
    const JOULE                  = 'JOULE';
    const KILOCALORIE_15C        = 'KILOCALORIE_15C';
    const KILOCALORIE            = 'KILOCALORIE';
    const KILOCALORIE_THERMOCHEMICAL = 'KILOCALORIE_THERMOCHEMICAL';
    const KILOELECTRONVOLT       = 'KILOELECTRONVOLT';
    const KILOGRAM_CALORIE       = 'KILOGRAM_CALORIE';
    const KILOGRAM_FORCE_METER   = 'KILOGRAM_FORCE_METER';
    const KILOJOULE              = 'KILOJOULE';
    const KILOPOND_METER         = 'KILOPOND_METER';
    const KILOTON                = 'KILOTON';
    const KILOWATT_HOUR          = 'KILOWATT_HOUR';
    const LITER_ATMOSPHERE       = 'LITER_ATMOSPHERE';
    const MEGAELECTRONVOLT       = 'MEGAELECTRONVOLT';
    const MEGACALORIE            = 'MEGACALORIE';
    const MEGACALORIE_15C        = 'MEGACALORIE_15C';
    const MEGAJOULE              = 'MEGAJOULE';
    const MEGALERG               = 'MEGALERG';
    const MEGATON                = 'MEGATON';
    const MEGAWATTHOUR           = 'MEGAWATTHOUR';
    const METER_KILOGRAM_FORCE   = 'METER_KILOGRAM_FORCE';
    const MICROJOULE             = 'MICROJOULE';
    const MILLIJOULE             = 'MILLIJOULE';
    const MYRIAWATT_HOUR         = 'MYRIAWATT_HOUR';
    const NANOJOULE              = 'NANOJOULE';
    const NEWTON_METER           = 'NEWTON_METER';
    const PETAJOULE              = 'PETAJOULE';
    const PETAWATTHOUR           = 'PETAWATTHOUR';
    const PFERDESTAERKENSTUNDE   = 'PFERDESTAERKENSTUNDE';
    const PICOJOULE              = 'PICOJOULE';
    const Q_UNIT                 = 'Q_UNIT';
    const QUAD                   = 'QUAD';
    const TERAELECTRONVOLT       = 'TERAELECTRONVOLT';
    const TERAJOULE              = 'TERAJOULE';
    const TERAWATTHOUR           = 'TERAWATTHOUR';
    const THERM                  = 'THERM';
    const THERM_US               = 'THERM_US';
    const THERMIE                = 'THERMIE';
    const TON                    = 'TON';
    const TONNE_COAL             = 'TONNE_COAL';
    const TONNE_OIL              = 'TONNE_OIL';
    const WATTHOUR               = 'WATTHOUR';
    const WATTSECOND             = 'WATTSECOND';
    const YOCTOJOULE             = 'YOCTOJOULE';
    const YOTTAJOULE             = 'YOTTAJOULE';
    const YOTTAWATTHOUR          = 'YOTTAWATTHOUR';
    const ZEPTOJOULE             = 'ZEPTOJOULE';
    const ZETTAJOULE             = 'ZETTAJOULE';
    const ZETTAWATTHOUR          = 'ZETTAWATTHOUR';

    protected $_UNITS = array(
        'ATTOJOULE'              => array(1.0e-18,           'aJ'),
        'BOARD_OF_TRADE_UNIT'    => array(3600000,           'BOTU'),
        'BTU'                    => array(1055.0559,         'Btu'),
        'BTU_TERMOCHEMICAL'      => array(1054.3503,         'Btu'),
        'CALORIE'                => array(4.1868,            'cal'),
        'CALORIE_15C'            => array(6.1858,            'cal'),
        'CALORIE_NUTRITIONAL'    => array(4186.8,            'cal'),
        'CALORIE_THERMOCHEMICAL' => array(4.184,             'cal'),
        'CELSIUS_HEAT_UNIT'      => array(1899.1005,         'Chu'),
        'CENTIJOULE'             => array(0.01,              'cJ'),
        'CHEVAL_VAPEUR_HEURE'    => array(2647795.5,         'cv heure'),
        'DECIJOULE'              => array(0.1,               'dJ'),
        'DEKAJOULE'              => array(10,                'daJ'),
        'DEKAWATT_HOUR'          => array(36000,             'daWh'),
        'DEKATHERM'              => array(1.055057e+9,       'dathm'),
        'ELECTRONVOLT'           => array(1.6021773e-19,     'eV'),
        'ERG'                    => array(0.0000001,         'erg'),
        'EXAJOULE'               => array(1.0e+18,           'EJ'),
        'EXAWATT_HOUR'           => array(3.6e+21,           'EWh'),
        'FEMTOJOULE'             => array(1.0e-15,           'fJ'),
        'FOOT_POUND'             => array(1.3558179,         'ft lb'),
        'FOOT_POUNDAL'           => array(0.04214011,        'ft poundal'),
        'GALLON_UK_AUTOMOTIVE'   => array(158237172,         'gal car gasoline'),
        'GALLON_US_AUTOMOTIVE'   => array(131760000,         'gal car gasoline'),
        'GALLON_UK_AVIATION'     => array(158237172,         'gal jet gasoline'),
        'GALLON_US_AVIATION'     => array(131760000,         'gal jet gasoline'),
        'GALLON_UK_DIESEL'       => array(175963194,         'gal diesel'),
        'GALLON_US_DIESEL'       => array(146520000,         'gal diesel'),
        'GALLON_UK_DISTILATE'    => array(175963194,         'gal destilate fuel'),
        'GALLON_US_DISTILATE'    => array(146520000,         'gal destilate fuel'),
        'GALLON_UK_KEROSINE_JET' => array(170775090,         'gal jet kerosine'),
        'GALLON_US_KEROSINE_JET' => array(142200000,         'gal jet kerosine'),
        'GALLON_UK_LPG'          => array(121005126.0865275, 'gal lpg'),
        'GALLON_US_LPG'          => array(100757838.45,      'gal lpg'),
        'GALLON_UK_NAPHTA'       => array(160831224,         'gal jet fuel'),
        'GALLON_US_NAPHTA'       => array(133920000,         'gal jet fuel'),
        'GALLON_UK_KEROSINE'     => array(170775090,         'gal kerosine'),
        'GALLON_US_KEROSINE'     => array(142200000,         'gal kerosine'),
        'GALLON_UK_RESIDUAL'     => array(189798138,         'gal residual fuel'),
        'GALLON_US_RESIDUAL'     => array(158040000,         'gal residual fuel'),
        'GIGAELECTRONVOLT'       => array(1.6021773e-10,     'GeV'),
        'GIGACALORIE'            => array(4186800000,        'Gcal'),
        'GIGACALORIE_15C'        => array(4185800000,        'Gcal'),
        'GIGAJOULE'              => array(1.0e+9,            'GJ'),
        'GIGAWATT_HOUR'          => array(3.6e+12,           'GWh'),
        'GRAM_CALORIE'           => array(4.1858,            'g cal'),
        'HARTREE'                => array(4.3597482e-18,     'Eh'),
        'HECTOJOULE'             => array(100,               'hJ'),
        'HECTOWATT_HOUR'         => array(360000,            'hWh'),
        'HORSEPOWER_HOUR'        => array(2684519.5,         'hph'),
        'HUNDRED_CUBIC_FOOT_GAS' => array(108720000,         'hundred ft� gas'),
        'INCH_OUNCE'             => array(0.0070615518,      'in oc'),
        'INCH_POUND'             => array(0.112984825,       'in lb'),
        'JOULE'                  => array(1,                 'J'),
        'KILOCALORIE_15C'        => array(4185.8,            'kcal'),
        'KILOCALORIE'            => array(4186,8,            'kcal'),
        'KILOCALORIE_THERMOCHEMICAL' => array(4184,          'kcal'),
        'KILOELECTRONVOLT'       => array(1.6021773e-16,     'keV'),
        'KILOGRAM_CALORIE'       => array(4185.8,            'kg cal'),
        'KILOGRAM_FORCE_METER'   => array(9.80665,           'kgf m'),
        'KILOJOULE'              => array(1000,              'kJ'),
        'KILOPOND_METER'         => array(9.80665,           'kp m'),
        'KILOTON'                => array(4.184e+12,         'kt'),
        'KILOWATT_HOUR'          => array(3600000,           'kWh'),
        'LITER_ATMOSPHERE'       => array(101.325,           'l atm'),
        'MEGAELECTRONVOLT'       => array(1.6021773e-13,     'MeV'),
        'MEGACALORIE'            => array(4186800,           'Mcal'),
        'MEGACALORIE_15C'        => array(4185800,           'Mcal'),
        'MEGAJOULE'              => array(1000000,           'MJ'),
        'MEGALERG'               => array(0.1,               'megalerg'),
        'MEGATON'                => array(4.184e+15,         'Mt'),
        'MEGAWATTHOUR'           => array(3.6e+9,            'MWh'),
        'METER_KILOGRAM_FORCE'   => array(9.80665,           'm kgf'),
        'MICROJOULE'             => array(0.000001,          '�J'),
        'MILLIJOULE'             => array(0.001,             'mJ'),
        'MYRIAWATT_HOUR'         => array(3.6e+7,            'myWh'),
        'NANOJOULE'              => array(1.0e-9,            'nJ'),
        'NEWTON_METER'           => array(1,                 'Nm'),
        'PETAJOULE'              => array(1.0e+15,           'PJ'),
        'PETAWATTHOUR'           => array(3.6e+18,           'PWh'),
        'PFERDESTAERKENSTUNDE'   => array(2647795.5,         'ps h'),
        'PICOJOULE'              => array(1.0e-12,           'pJ'),
        'Q_UNIT'                 => array(1.0550559e+21,     'Q unit'),
        'QUAD'                   => array(1.0550559e+18,     'quad'),
        'TERAELECTRONVOLT'       => array(1.6021773e-7,      'TeV'),
        'TERAJOULE'              => array(1.0e+12,           'TJ'),
        'TERAWATTHOUR'           => array(3.6e+15,           'TWh'),
        'THERM'                  => array(1.0550559e+8,      'thm'),
        'THERM_US'               => array(1.054804e+8,       'thm'),
        'THERMIE'                => array(4185800,           'th'),
        'TON'                    => array(4.184e+9,          'T explosive'),
        'TONNE_COAL'             => array(2.93076e+10,       'T coal'),
        'TONNE_OIL'              => array(4.1868e+10,        'T oil'),
        'WATTHOUR'               => array(3600,              'Wh'),
        'WATTSECOND'             => array(1,                 'Ws'),
        'YOCTOJOULE'             => array(1.0e-24,           'yJ'),
        'YOTTAJOULE'             => array(1.0e+24,           'YJ'),
        'YOTTAWATTHOUR'          => array(3.6e+27,           'YWh'),
        'ZEPTOJOULE'             => array(1.0e-21,           'zJ'),
        'ZETTAJOULE'             => array(1.0e+21,           'ZJ'),
        'ZETTAWATTHOUR'          => array(3.6e+24,           'ZWh'),
        'STANDARD'               => 'JOULE'
    );
}