<?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: Density.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_Density
 * @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_Density extends Zend_Measure_Abstract
{
    // Density definitions
    const STANDARD = 'KILOGRAM_PER_CUBIC_METER';

    const ALUMINIUM                 = 'ALUMINIUM';
    const COPPER                    = 'COPPER';
    const GOLD                      = 'GOLD';
    const GRAIN_PER_CUBIC_FOOT      = 'GRAIN_PER_CUBIC_FOOT';
    const GRAIN_PER_CUBIC_INCH      = 'GRAIN_PER_CUBIC_INCH';
    const GRAIN_PER_CUBIC_YARD      = 'GRAIN_PER_CUBIC_YARD';
    const GRAIN_PER_GALLON          = 'GRAIN_PER_GALLON';
    const GRAIN_PER_GALLON_US       = 'GRAIN_PER_GALLON_US';
    const GRAM_PER_CUBIC_CENTIMETER = 'GRAM_PER_CUBIC_CENTIMETER';
    const GRAM_PER_CUBIC_DECIMETER  = 'GRAM_PER_CUBIC_DECIMETER';
    const GRAM_PER_CUBIC_METER      = 'GRAM_PER_CUBIC_METER';
    const GRAM_PER_LITER            = 'GRAM_PER_LITER';
    const GRAM_PER_MILLILITER       = 'GRAM_PER_MILLILITER';
    const IRON                      = 'IRON';
    const KILOGRAM_PER_CUBIC_CENTIMETER = 'KILOGRAM_PER_CUBIC_CENTIMETER';
    const KILOGRAM_PER_CUBIC_DECIMETER  = 'KILOGRAM_PER_CUBIC_DECIMETER';
    const KILOGRAM_PER_CUBIC_METER  = 'KILOGRAM_PER_CUBIC_METER';
    const KILOGRAM_PER_CUBIC_MILLIMETER = 'KILOGRAM_PER_CUBIC_MILLIMETER';
    const KILOGRAM_PER_LITER        = 'KILOGRAM_PER_LITER';
    const KILOGRAM_PER_MILLILITER   = 'KILOGRAM_PER_MILLILITER';
    const LEAD                      = 'LEAD';
    const MEGAGRAM_PER_CUBIC_CENTIMETER = 'MEGAGRAM_PER_CUBIC_CENTIMETER';
    const MEGAGRAM_PER_CUBIC_DECIMETER  = 'MEGAGRAM_PER_CUBIC_DECIMETER';
    const MEGAGRAM_PER_CUBIC_METER  = 'MEGAGRAM_PER_CUBIC_METER';
    const MEGAGRAM_PER_LITER        = 'MEGAGRAM_PER_LITER';
    const MEGAGRAM_PER_MILLILITER   = 'MEGAGRAM_PER_MILLILITER';
    const MICROGRAM_PER_CUBIC_CENTIMETER = 'MICROGRAM_PER_CUBIC_CENTIMETER';
    const MICROGRAM_PER_CUBIC_DECIMETER  = 'MICROGRAM_PER_CUBIC_DECIMETER';
    const MICROGRAM_PER_CUBIC_METER = 'MICROGRAM_PER_CUBIC_METER';
    const MICROGRAM_PER_LITER       = 'MICROGRAM_PER_LITER';
    const MICROGRAM_PER_MILLILITER  = 'MICROGRAM_PER_MILLILITER';
    const MILLIGRAM_PER_CUBIC_CENTIMETER = 'MILLIGRAM_PER_CUBIC_CENTIMETER';
    const MILLIGRAM_PER_CUBIC_DECIMETER  = 'MILLIGRAM_PER_CUBIC_DECIMETER';
    const MILLIGRAM_PER_CUBIC_METER = 'MILLIGRAM_PER_CUBIC_METER';
    const MILLIGRAM_PER_LITER       = 'MILLIGRAM_PER_LITER';
    const MILLIGRAM_PER_MILLILITER  = 'MILLIGRAM_PER_MILLILITER';
    const OUNCE_PER_CUBIC_FOOT      = 'OUNCE_PER_CUBIC_FOOT';
    const OUNCR_PER_CUBIC_FOOT_TROY = 'OUNCE_PER_CUBIC_FOOT_TROY';
    const OUNCE_PER_CUBIC_INCH      = 'OUNCE_PER_CUBIC_INCH';
    const OUNCE_PER_CUBIC_INCH_TROY = 'OUNCE_PER_CUBIC_INCH_TROY';
    const OUNCE_PER_CUBIC_YARD      = 'OUNCE_PER_CUBIC_YARD';
    const OUNCE_PER_CUBIC_YARD_TROY = 'OUNCE_PER_CUBIC_YARD_TROY';
    const OUNCE_PER_GALLON          = 'OUNCE_PER_GALLON';
    const OUNCE_PER_GALLON_US       = 'OUNCE_PER_GALLON_US';
    const OUNCE_PER_GALLON_TROY     = 'OUNCE_PER_GALLON_TROY';
    const OUNCE_PER_GALLON_US_TROY  = 'OUNCE_PER_GALLON_US_TROY';
    const POUND_PER_CIRCULAR_MIL_FOOT = 'POUND_PER_CIRCULAR_MIL_FOOT';
    const POUND_PER_CUBIC_FOOT      = 'POUND_PER_CUBIC_FOOT';
    const POUND_PER_CUBIC_INCH      = 'POUND_PER_CUBIC_INCH';
    const POUND_PER_CUBIC_YARD      = 'POUND_PER_CUBIC_YARD';
    const POUND_PER_GALLON          = 'POUND_PER_GALLON';
    const POUND_PER_KILOGALLON      = 'POUND_PER_KILOGALLON';
    const POUND_PER_MEGAGALLON      = 'POUND_PER_MEGAGALLON';
    const POUND_PER_GALLON_US       = 'POUND_PER_GALLON_US';
    const POUND_PER_KILOGALLON_US   = 'POUND_PER_KILOGALLON_US';
    const POUND_PER_MEGAGALLON_US   = 'POUND_PER_MEGAGALLON_US';
    const SILVER                    = 'SILVER';
    const SLUG_PER_CUBIC_FOOT       = 'SLUG_PER_CUBIC_FOOT';
    const SLUG_PER_CUBIC_INCH       = 'SLUG_PER_CUBIC_INCH';
    const SLUG_PER_CUBIC_YARD       = 'SLUG_PER_CUBIC_YARD';
    const SLUG_PER_GALLON           = 'SLUG_PER_GALLON';
    const SLUG_PER_GALLON_US        = 'SLUG_PER_GALLON_US';
    const TON_PER_CUBIC_FOOT_LONG   = 'TON_PER_CUBIC_FOOT_LONG';
    const TON_PER_CUBIC_FOOT        = 'TON_PER_CUBIC_FOOT';
    const TON_PER_CUBIC_INCH_LONG   = 'TON_PER_CUBIC_INCH_LONG';
    const TON_PER_CUBIC_INCH        = 'TON_PER_CUBIC_INCH';
    const TON_PER_CUBIC_YARD_LONG   = 'TON_PER_CUBIC_YARD_LONG';
    const TON_PER_CUBIC_YARD        = 'TON_PER_CUBIC_YARD';
    const TON_PER_GALLON_LONG       = 'TON_PER_GALLON_LONG';
    const TON_PER_GALLON_US_LONG    = 'TON_PER_GALLON_US_LONG';
    const TON_PER_GALLON            = 'TON_PER_GALLON';
    const TON_PER_GALLON_US         = 'TON_PER_GALLON_US';
    const TONNE_PER_CUBIC_CENTIMETER= 'TONNE_PER_CUBIC_CENTIMETER';
    const TONNE_PER_CUBIC_DECIMETER = 'TONNE_PER_CUBIC_DECIMETER';
    const TONNE_PER_CUBIC_METER     = 'TONNE_PER_CUBIC_METER';
    const TONNE_PER_LITER           = 'TONNE_PER_LITER';
    const TONNE_PER_MILLILITER      = 'TONNE_PER_MILLILITER';
    const WATER                     = 'WATER';

    protected $_UNITS = array(
        'ALUMINIUM'                 => array(2643,           'aluminium'),
        'COPPER'                    => array(8906,           'copper'),
        'GOLD'                      => array(19300,          'gold'),
        'GRAIN_PER_CUBIC_FOOT'      => array(0.0022883519,   'gr/ft³'),
        'GRAIN_PER_CUBIC_INCH'      => array(3.9542721,      'gr/in³'),
        'GRAIN_PER_CUBIC_YARD'      => array(0.000084753774, 'gr/yd³'),
        'GRAIN_PER_GALLON'          => array(0.014253768,    'gr/gal'),
        'GRAIN_PER_GALLON_US'       => array(0.017118061,    'gr/gal'),
        'GRAM_PER_CUBIC_CENTIMETER' => array(1000,           'g/cm³'),
        'GRAM_PER_CUBIC_DECIMETER'  => array(1,              'g/dm³'),
        'GRAM_PER_CUBIC_METER'      => array(0.001,          'g/m³'),
        'GRAM_PER_LITER'            => array(1,              'g/l'),
        'GRAM_PER_MILLILITER'       => array(1000,           'g/ml'),
        'IRON'                      => array(7658,           'iron'),
        'KILOGRAM_PER_CUBIC_CENTIMETER' => array(1000000,    'kg/cm³'),
        'KILOGRAM_PER_CUBIC_DECIMETER'  => array(1000,       'kg/dm³'),
        'KILOGRAM_PER_CUBIC_METER'  => array(1,              'kg/m³'),
        'KILOGRAM_PER_CUBIC_MILLIMETER' => array(1000000000, 'kg/l'),
        'KILOGRAM_PER_LITER'        => array(1000,           'kg/ml'),
        'KILOGRAM_PER_MILLILITER'   => array(1000000,        'kg/ml'),
        'LEAD'                      => array(11370,          'lead'),
        'MEGAGRAM_PER_CUBIC_CENTIMETER' => array(1.0e+9,     'Mg/cm³'),
        'MEGAGRAM_PER_CUBIC_DECIMETER'  => array(1000000,    'Mg/dm³'),
        'MEGAGRAM_PER_CUBIC_METER'  => array(1000,           'Mg/m³'),
        'MEGAGRAM_PER_LITER'        => array(1000000,        'Mg/l'),
        'MEGAGRAM_PER_MILLILITER'   => array(1.0e+9,         'Mg/ml'),
        'MICROGRAM_PER_CUBIC_CENTIMETER' => array(0.001,     'µg/cm³'),
        'MICROGRAM_PER_CUBIC_DECIMETER'  => array(1.0e-6,    'µg/dm³'),
        'MICROGRAM_PER_CUBIC_METER' => array(1.0e-9,         'µg/m³'),
        'MICROGRAM_PER_LITER'       => array(1.0e-6,         'µg/l'),
        'MICROGRAM_PER_MILLILITER'  => array(0.001,          'µg/ml'),
        'MILLIGRAM_PER_CUBIC_CENTIMETER' => array(1,         'mg/cm³'),
        'MILLIGRAM_PER_CUBIC_DECIMETER'  => array(0.001,     'mg/dm³'),
        'MILLIGRAM_PER_CUBIC_METER' => array(0.000001,       'mg/m³'),
        'MILLIGRAM_PER_LITER'       => array(0.001,          'mg/l'),
        'MILLIGRAM_PER_MILLILITER'  => array(1,              'mg/ml'),
        'OUNCE_PER_CUBIC_FOOT'      => array(1.001154,       'oz/ft³'),
        'OUNCE_PER_CUBIC_FOOT_TROY' => array(1.0984089,      'oz/ft³'),
        'OUNCE_PER_CUBIC_INCH'      => array(1729.994,       'oz/in³'),
        'OUNCE_PER_CUBIC_INCH_TROY' => array(1898.0506,      'oz/in³'),
        'OUNCE_PER_CUBIC_YARD'      => array(0.037079776,    'oz/yd³'),
        'OUNCE_PER_CUBIC_YARD_TROY' => array(0.040681812,    'oz/yd³'),
        'OUNCE_PER_GALLON'          => array(6.2360233,      'oz/gal'),
        'OUNCE_PER_GALLON_US'       => array(7.4891517,      'oz/gal'),
        'OUNCE_PER_GALLON_TROY'     => array(6.8418084,      'oz/gal'),
        'OUNCE_PER_GALLON_US_TROY'  => array(8.2166693,      'oz/gal'),
        'POUND_PER_CIRCULAR_MIL_FOOT' => array(2.9369291,    'lb/cmil ft'),
        'POUND_PER_CUBIC_FOOT'      => array(16.018463,      'lb/in³'),
        'POUND_PER_CUBIC_INCH'      => array(27679.905,      'lb/in³'),
        'POUND_PER_CUBIC_YARD'      => array(0.59327642,     'lb/yd³'),
        'POUND_PER_GALLON'          => array(99.776373,      'lb/gal'),
        'POUND_PER_KILOGALLON'      => array(0.099776373,    'lb/kgal'),
        'POUND_PER_MEGAGALLON'      => array(0.000099776373, 'lb/Mgal'),
        'POUND_PER_GALLON_US'       => array(119.82643,      'lb/gal'),
        'POUND_PER_KILOGALLON_US'   => array(0.11982643,     'lb/kgal'),
        'POUND_PER_MEGAGALLON_US'   => array(0.00011982643,  'lb/Mgal'),
        'SILVER'                    => array(10510,          'silver'),
        'SLUG_PER_CUBIC_FOOT'       => array(515.37882,      'slug/ft³'),
        'SLUG_PER_CUBIC_INCH'       => array(890574.6,       'slug/in³'),
        'SLUG_PER_CUBIC_YARD'       => array(19.088104,      'slug/yd³'),
        'SLUG_PER_GALLON'           => array(3210.2099,      'slug/gal'),
        'SLUG_PER_GALLON_US'        => array(3855.3013,      'slug/gal'),
        'TON_PER_CUBIC_FOOT_LONG'   => array(35881.358,      't/ft³'),
        'TON_PER_CUBIC_FOOT'        => array(32036.927,      't/ft³'),
        'TON_PER_CUBIC_INCH_LONG'   => array(6.2202987e+7,   't/in³'),
        'TON_PER_CUBIC_INCH'        => array(5.5359809e+7,   't/in³'),
        'TON_PER_CUBIC_YARD_LONG'   => array(1328.9392,      't/yd³'),
        'TON_PER_CUBIC_YARD'        => array(1186.5528,      't/yd³'),
        'TON_PER_GALLON_LONG'       => array(223499.07,      't/gal'),
        'TON_PER_GALLON_US_LONG'    => array(268411.2,       't/gal'),
        'TON_PER_GALLON'            => array(199522.75,      't/gal'),
        'TON_PER_GALLON_US'         => array(239652.85,      't/gal'),
        'TONNE_PER_CUBIC_CENTIMETER' => array(1.0e+9,        't/cm³'),
        'TONNE_PER_CUBIC_DECIMETER'  => array(1000000,       't/dm³'),
        'TONNE_PER_CUBIC_METER'     => array(1000,           't/m³'),
        'TONNE_PER_LITER'           => array(1000000,        't/l'),
        'TONNE_PER_MILLILITER'      => array(1.0e+9,         't/ml'),
        'WATER'                     => array(1000,           'water'),
        'STANDARD'                  => 'KILOGRAM_PER_CUBIC_METER'
    );
}