2651 lines
		
	
	
		
			108 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			2651 lines
		
	
	
		
			108 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| 
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| /** PHPExcel root directory */
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| if (!defined('PHPEXCEL_ROOT')) {
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|     /**
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|      * @ignore
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|      */
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|     define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
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|     require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
 | |
| }
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| 
 | |
| /** EULER */
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| define('EULER', 2.71828182845904523536);
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| 
 | |
| /**
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|  * PHPExcel_Calculation_Engineering
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|  *
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|  * Copyright (c) 2006 - 2015 PHPExcel
 | |
|  *
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|  * This library is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU Lesser General Public
 | |
|  * License as published by the Free Software Foundation; either
 | |
|  * version 2.1 of the License, or (at your option) any later version.
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|  *
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|  * This library is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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|  * Lesser General Public License for more details.
 | |
|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with this library; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  *
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|  * @category    PHPExcel
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|  * @package        PHPExcel_Calculation
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|  * @copyright    Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 | |
|  * @license        http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 | |
|  * @version        ##VERSION##, ##DATE##
 | |
|  */
 | |
| class PHPExcel_Calculation_Engineering
 | |
| {
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|     /**
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|      * Details of the Units of measure that can be used in CONVERTUOM()
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|      *
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|      * @var mixed[]
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|      */
 | |
|     private static $conversionUnits = array(
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|         'g'     => array('Group' => 'Mass',        'Unit Name' => 'Gram',                     'AllowPrefix' => true),
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|         'sg'    => array('Group' => 'Mass',        'Unit Name' => 'Slug',                     'AllowPrefix' => false),
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|         'lbm'   => array('Group' => 'Mass',        'Unit Name' => 'Pound mass (avoirdupois)', 'AllowPrefix' => false),
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|         'u'     => array('Group' => 'Mass',        'Unit Name' => 'U (atomic mass unit)',     'AllowPrefix' => true),
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|         'ozm'   => array('Group' => 'Mass',        'Unit Name' => 'Ounce mass (avoirdupois)', 'AllowPrefix' => false),
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|         'm'     => array('Group' => 'Distance',    'Unit Name' => 'Meter',                    'AllowPrefix' => true),
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|         'mi'    => array('Group' => 'Distance',    'Unit Name' => 'Statute mile',             'AllowPrefix' => false),
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|         'Nmi'   => array('Group' => 'Distance',    'Unit Name' => 'Nautical mile',            'AllowPrefix' => false),
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|         'in'    => array('Group' => 'Distance',    'Unit Name' => 'Inch',                     'AllowPrefix' => false),
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|         'ft'    => array('Group' => 'Distance',    'Unit Name' => 'Foot',                     'AllowPrefix' => false),
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|         'yd'    => array('Group' => 'Distance',    'Unit Name' => 'Yard',                     'AllowPrefix' => false),
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|         'ang'   => array('Group' => 'Distance',    'Unit Name' => 'Angstrom',                 'AllowPrefix' => true),
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|         'Pica'  => array('Group' => 'Distance',    'Unit Name' => 'Pica (1/72 in)',           'AllowPrefix' => false),
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|         'yr'    => array('Group' => 'Time',        'Unit Name' => 'Year',                     'AllowPrefix' => false),
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|         'day'   => array('Group' => 'Time',        'Unit Name' => 'Day',                      'AllowPrefix' => false),
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|         'hr'    => array('Group' => 'Time',        'Unit Name' => 'Hour',                     'AllowPrefix' => false),
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|         'mn'    => array('Group' => 'Time',        'Unit Name' => 'Minute',                   'AllowPrefix' => false),
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|         'sec'   => array('Group' => 'Time',        'Unit Name' => 'Second',                   'AllowPrefix' => true),
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|         'Pa'    => array('Group' => 'Pressure',    'Unit Name' => 'Pascal',                   'AllowPrefix' => true),
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|         'p'     => array('Group' => 'Pressure',    'Unit Name' => 'Pascal',                   'AllowPrefix' => true),
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|         'atm'   => array('Group' => 'Pressure',    'Unit Name' => 'Atmosphere',               'AllowPrefix' => true),
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|         'at'    => array('Group' => 'Pressure',    'Unit Name' => 'Atmosphere',               'AllowPrefix' => true),
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|         'mmHg'  => array('Group' => 'Pressure',    'Unit Name' => 'mm of Mercury',            'AllowPrefix' => true),
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|         'N'     => array('Group' => 'Force',       'Unit Name' => 'Newton',                   'AllowPrefix' => true),
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|         'dyn'   => array('Group' => 'Force',       'Unit Name' => 'Dyne',                     'AllowPrefix' => true),
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|         'dy'    => array('Group' => 'Force',       'Unit Name' => 'Dyne',                     'AllowPrefix' => true),
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|         'lbf'   => array('Group' => 'Force',       'Unit Name' => 'Pound force',              'AllowPrefix' => false),
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|         'J'     => array('Group' => 'Energy',      'Unit Name' => 'Joule',                    'AllowPrefix' => true),
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|         'e'     => array('Group' => 'Energy',      'Unit Name' => 'Erg',                      'AllowPrefix' => true),
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|         'c'     => array('Group' => 'Energy',      'Unit Name' => 'Thermodynamic calorie',    'AllowPrefix' => true),
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|         'cal'   => array('Group' => 'Energy',      'Unit Name' => 'IT calorie',               'AllowPrefix' => true),
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|         'eV'    => array('Group' => 'Energy',      'Unit Name' => 'Electron volt',            'AllowPrefix' => true),
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|         'ev'    => array('Group' => 'Energy',      'Unit Name' => 'Electron volt',            'AllowPrefix' => true),
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|         'HPh'   => array('Group' => 'Energy',      'Unit Name' => 'Horsepower-hour',          'AllowPrefix' => false),
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|         'hh'    => array('Group' => 'Energy',      'Unit Name' => 'Horsepower-hour',          'AllowPrefix' => false),
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|         'Wh'    => array('Group' => 'Energy',      'Unit Name' => 'Watt-hour',                'AllowPrefix' => true),
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|         'wh'    => array('Group' => 'Energy',      'Unit Name' => 'Watt-hour',                'AllowPrefix' => true),
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|         'flb'   => array('Group' => 'Energy',      'Unit Name' => 'Foot-pound',               'AllowPrefix' => false),
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|         'BTU'   => array('Group' => 'Energy',      'Unit Name' => 'BTU',                      'AllowPrefix' => false),
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|         'btu'   => array('Group' => 'Energy',      'Unit Name' => 'BTU',                      'AllowPrefix' => false),
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|         'HP'    => array('Group' => 'Power',       'Unit Name' => 'Horsepower',               'AllowPrefix' => false),
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|         'h'     => array('Group' => 'Power',       'Unit Name' => 'Horsepower',               'AllowPrefix' => false),
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|         'W'     => array('Group' => 'Power',       'Unit Name' => 'Watt',                     'AllowPrefix' => true),
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|         'w'     => array('Group' => 'Power',       'Unit Name' => 'Watt',                     'AllowPrefix' => true),
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|         'T'     => array('Group' => 'Magnetism',   'Unit Name' => 'Tesla',                    'AllowPrefix' => true),
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|         'ga'    => array('Group' => 'Magnetism',   'Unit Name' => 'Gauss',                    'AllowPrefix' => true),
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|         'C'     => array('Group' => 'Temperature', 'Unit Name' => 'Celsius',                  'AllowPrefix' => false),
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|         'cel'   => array('Group' => 'Temperature', 'Unit Name' => 'Celsius',                  'AllowPrefix' => false),
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|         'F'     => array('Group' => 'Temperature', 'Unit Name' => 'Fahrenheit',               'AllowPrefix' => false),
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|         'fah'   => array('Group' => 'Temperature', 'Unit Name' => 'Fahrenheit',               'AllowPrefix' => false),
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|         'K'     => array('Group' => 'Temperature', 'Unit Name' => 'Kelvin',                   'AllowPrefix' => false),
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|         'kel'   => array('Group' => 'Temperature', 'Unit Name' => 'Kelvin',                   'AllowPrefix' => false),
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|         'tsp'   => array('Group' => 'Liquid',      'Unit Name' => 'Teaspoon',                 'AllowPrefix' => false),
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|         'tbs'   => array('Group' => 'Liquid',      'Unit Name' => 'Tablespoon',               'AllowPrefix' => false),
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|         'oz'    => array('Group' => 'Liquid',      'Unit Name' => 'Fluid Ounce',              'AllowPrefix' => false),
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|         'cup'   => array('Group' => 'Liquid',      'Unit Name' => 'Cup',                      'AllowPrefix' => false),
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|         'pt'    => array('Group' => 'Liquid',      'Unit Name' => 'U.S. Pint',                'AllowPrefix' => false),
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|         'us_pt' => array('Group' => 'Liquid',      'Unit Name' => 'U.S. Pint',                'AllowPrefix' => false),
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|         'uk_pt' => array('Group' => 'Liquid',      'Unit Name' => 'U.K. Pint',                'AllowPrefix' => false),
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|         'qt'    => array('Group' => 'Liquid',      'Unit Name' => 'Quart',                    'AllowPrefix' => false),
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|         'gal'   => array('Group' => 'Liquid',      'Unit Name' => 'Gallon',                   'AllowPrefix' => false),
 | |
|         'l'     => array('Group' => 'Liquid',      'Unit Name' => 'Litre',                    'AllowPrefix' => true),
 | |
|         'lt'    => array('Group' => 'Liquid',      'Unit Name' => 'Litre',                    'AllowPrefix' => true),
 | |
|     );
 | |
| 
 | |
|     /**
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|      * Details of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM()
 | |
|      *
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|      * @var mixed[]
 | |
|      */
 | |
|     private static $conversionMultipliers = array(
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|         'Y' => array('multiplier' => 1E24,  'name' => 'yotta'),
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|         'Z' => array('multiplier' => 1E21,  'name' => 'zetta'),
 | |
|         'E' => array('multiplier' => 1E18,  'name' => 'exa'),
 | |
|         'P' => array('multiplier' => 1E15,  'name' => 'peta'),
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|         'T' => array('multiplier' => 1E12,  'name' => 'tera'),
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|         'G' => array('multiplier' => 1E9,   'name' => 'giga'),
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|         'M' => array('multiplier' => 1E6,   'name' => 'mega'),
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|         'k' => array('multiplier' => 1E3,   'name' => 'kilo'),
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|         'h' => array('multiplier' => 1E2,   'name' => 'hecto'),
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|         'e' => array('multiplier' => 1E1,   'name' => 'deka'),
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|         'd' => array('multiplier' => 1E-1,  'name' => 'deci'),
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|         'c' => array('multiplier' => 1E-2,  'name' => 'centi'),
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|         'm' => array('multiplier' => 1E-3,  'name' => 'milli'),
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|         'u' => array('multiplier' => 1E-6,  'name' => 'micro'),
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|         'n' => array('multiplier' => 1E-9,  'name' => 'nano'),
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|         'p' => array('multiplier' => 1E-12, 'name' => 'pico'),
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|         'f' => array('multiplier' => 1E-15, 'name' => 'femto'),
 | |
|         'a' => array('multiplier' => 1E-18, 'name' => 'atto'),
 | |
|         'z' => array('multiplier' => 1E-21, 'name' => 'zepto'),
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|         'y' => array('multiplier' => 1E-24, 'name' => 'yocto'),
 | |
|     );
 | |
| 
 | |
|     /**
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|      * Details of the Units of measure conversion factors, organised by group
 | |
|      *
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|      * @var mixed[]
 | |
|      */
 | |
|     private static $unitConversions = array(
 | |
|         'Mass' => array(
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|             'g' => array(
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|                 'g'   => 1.0,
 | |
|                 'sg'  => 6.85220500053478E-05,
 | |
|                 'lbm' => 2.20462291469134E-03,
 | |
|                 'u'   => 6.02217000000000E+23,
 | |
|                 'ozm' => 3.52739718003627E-02,
 | |
|             ),
 | |
|             'sg' => array(
 | |
|                 'g'   => 1.45938424189287E+04,
 | |
|                 'sg'  => 1.0,
 | |
|                 'lbm' => 3.21739194101647E+01,
 | |
|                 'u'   => 8.78866000000000E+27,
 | |
|                 'ozm' => 5.14782785944229E+02,
 | |
|             ),
 | |
|             'lbm' => array(
 | |
|                 'g'   => 4.5359230974881148E+02,
 | |
|                 'sg'  => 3.10810749306493E-02,
 | |
|                 'lbm' => 1.0,
 | |
|                 'u'   => 2.73161000000000E+26,
 | |
|                 'ozm' => 1.60000023429410E+01,
 | |
|             ),
 | |
|             'u' => array(
 | |
|                 'g'   => 1.66053100460465E-24,
 | |
|                 'sg'  => 1.13782988532950E-28,
 | |
|                 'lbm' => 3.66084470330684E-27,
 | |
|                 'u'   => 1.0,
 | |
|                 'ozm' => 5.85735238300524E-26,
 | |
|             ),
 | |
|             'ozm' => array(
 | |
|                 'g'   => 2.83495152079732E+01,
 | |
|                 'sg'  => 1.94256689870811E-03,
 | |
|                 'lbm' => 6.24999908478882E-02,
 | |
|                 'u'   => 1.70725600000000E+25,
 | |
|                 'ozm' => 1.0,
 | |
|             ),
 | |
|         ),
 | |
|         'Distance' => array(
 | |
|             'm' => array(
 | |
|                 'm'    => 1.0,
 | |
|                 'mi'   => 6.21371192237334E-04,
 | |
|                 'Nmi'  => 5.39956803455724E-04,
 | |
|                 'in'   => 3.93700787401575E+01,
 | |
|                 'ft'   => 3.28083989501312E+00,
 | |
|                 'yd'   => 1.09361329797891E+00,
 | |
|                 'ang'  => 1.00000000000000E+10,
 | |
|                 'Pica' => 2.83464566929116E+03,
 | |
|             ),
 | |
|             'mi' => array(
 | |
|                 'm'    => 1.60934400000000E+03,
 | |
|                 'mi'   => 1.0,
 | |
|                 'Nmi'  => 8.68976241900648E-01,
 | |
|                 'in'   => 6.33600000000000E+04,
 | |
|                 'ft'   => 5.28000000000000E+03,
 | |
|                 'yd'   => 1.76000000000000E+03,
 | |
|                 'ang'  => 1.60934400000000E+13,
 | |
|                 'Pica' => 4.56191999999971E+06,
 | |
|             ),
 | |
|             'Nmi' => array(
 | |
|                 'm'    => 1.85200000000000E+03,
 | |
|                 'mi'   => 1.15077944802354E+00,
 | |
|                 'Nmi'  => 1.0,
 | |
|                 'in'   => 7.29133858267717E+04,
 | |
|                 'ft'   => 6.07611548556430E+03,
 | |
|                 'yd'   => 2.02537182785694E+03,
 | |
|                 'ang'  => 1.85200000000000E+13,
 | |
|                 'Pica' => 5.24976377952723E+06,
 | |
|             ),
 | |
|             'in' => array(
 | |
|                 'm'    => 2.54000000000000E-02,
 | |
|                 'mi'   => 1.57828282828283E-05,
 | |
|                 'Nmi'  => 1.37149028077754E-05,
 | |
|                 'in'   => 1.0,
 | |
|                 'ft'   => 8.33333333333333E-02,
 | |
|                 'yd'   => 2.77777777686643E-02,
 | |
|                 'ang'  => 2.54000000000000E+08,
 | |
|                 'Pica' => 7.19999999999955E+01,
 | |
|             ),
 | |
|             'ft' => array(
 | |
|                 'm'    => 3.04800000000000E-01,
 | |
|                 'mi'   => 1.89393939393939E-04,
 | |
|                 'Nmi'  => 1.64578833693305E-04,
 | |
|                 'in'   => 1.20000000000000E+01,
 | |
|                 'ft'   => 1.0,
 | |
|                 'yd'   => 3.33333333223972E-01,
 | |
|                 'ang'  => 3.04800000000000E+09,
 | |
|                 'Pica' => 8.63999999999946E+02,
 | |
|             ),
 | |
|             'yd' => array(
 | |
|                 'm'    => 9.14400000300000E-01,
 | |
|                 'mi'   => 5.68181818368230E-04,
 | |
|                 'Nmi'  => 4.93736501241901E-04,
 | |
|                 'in'   => 3.60000000118110E+01,
 | |
|                 'ft'   => 3.00000000000000E+00,
 | |
|                 'yd'   => 1.0,
 | |
|                 'ang'  => 9.14400000300000E+09,
 | |
|                 'Pica' => 2.59200000085023E+03,
 | |
|             ),
 | |
|             'ang' => array(
 | |
|                 'm'    => 1.00000000000000E-10,
 | |
|                 'mi'   => 6.21371192237334E-14,
 | |
|                 'Nmi'  => 5.39956803455724E-14,
 | |
|                 'in'   => 3.93700787401575E-09,
 | |
|                 'ft'   => 3.28083989501312E-10,
 | |
|                 'yd'   => 1.09361329797891E-10,
 | |
|                 'ang'  => 1.0,
 | |
|                 'Pica' => 2.83464566929116E-07,
 | |
|             ),
 | |
|             'Pica' => array(
 | |
|                 'm'    => 3.52777777777800E-04,
 | |
|                 'mi'   => 2.19205948372629E-07,
 | |
|                 'Nmi'  => 1.90484761219114E-07,
 | |
|                 'in'   => 1.38888888888898E-02,
 | |
|                 'ft'   => 1.15740740740748E-03,
 | |
|                 'yd'   => 3.85802469009251E-04,
 | |
|                 'ang'  => 3.52777777777800E+06,
 | |
|                 'Pica' => 1.0,
 | |
|             ),
 | |
|         ),
 | |
|         'Time' => array(
 | |
|             'yr' => array(
 | |
|                 'yr'  => 1.0,
 | |
|                 'day' => 365.25,
 | |
|                 'hr'  => 8766.0,
 | |
|                 'mn'  => 525960.0,
 | |
|                 'sec' => 31557600.0,
 | |
|             ),
 | |
|             'day' => array(
 | |
|                 'yr'  => 2.73785078713210E-03,
 | |
|                 'day' => 1.0,
 | |
|                 'hr'  => 24.0,
 | |
|                 'mn'  => 1440.0,
 | |
|                 'sec' => 86400.0,
 | |
|             ),
 | |
|             'hr' => array(
 | |
|                 'yr'  => 1.14077116130504E-04,
 | |
|                 'day' => 4.16666666666667E-02,
 | |
|                 'hr'  => 1.0,
 | |
|                 'mn'  => 60.0,
 | |
|                 'sec' => 3600.0,
 | |
|             ),
 | |
|             'mn' => array(
 | |
|                 'yr'  => 1.90128526884174E-06,
 | |
|                 'day' => 6.94444444444444E-04,
 | |
|                 'hr'  => 1.66666666666667E-02,
 | |
|                 'mn'  => 1.0,
 | |
|                 'sec' => 60.0,
 | |
|             ),
 | |
|             'sec' => array(
 | |
|                 'yr'  => 3.16880878140289E-08,
 | |
|                 'day' => 1.15740740740741E-05,
 | |
|                 'hr'  => 2.77777777777778E-04,
 | |
|                 'mn'  => 1.66666666666667E-02,
 | |
|                 'sec' => 1.0,
 | |
|             ),
 | |
|         ),
 | |
|         'Pressure' => array(
 | |
|             'Pa' => array(
 | |
|                 'Pa'   => 1.0,
 | |
|                 'p'    => 1.0,
 | |
|                 'atm'  => 9.86923299998193E-06,
 | |
|                 'at'   => 9.86923299998193E-06,
 | |
|                 'mmHg' => 7.50061707998627E-03,
 | |
|             ),
 | |
|             'p' => array(
 | |
|                 'Pa'   => 1.0,
 | |
|                 'p'    => 1.0,
 | |
|                 'atm'  => 9.86923299998193E-06,
 | |
|                 'at'   => 9.86923299998193E-06,
 | |
|                 'mmHg' => 7.50061707998627E-03,
 | |
|             ),
 | |
|             'atm' => array(
 | |
|                 'Pa'   => 1.01324996583000E+05,
 | |
|                 'p'    => 1.01324996583000E+05,
 | |
|                 'atm'  => 1.0,
 | |
|                 'at'   => 1.0,
 | |
|                 'mmHg' => 760.0,
 | |
|             ),
 | |
|             'at' => array(
 | |
|                 'Pa'   => 1.01324996583000E+05,
 | |
|                 'p'    => 1.01324996583000E+05,
 | |
|                 'atm'  => 1.0,
 | |
|                 'at'   => 1.0,
 | |
|                 'mmHg' => 760.0,
 | |
|             ),
 | |
|             'mmHg' => array(
 | |
|                 'Pa'   => 1.33322363925000E+02,
 | |
|                 'p'    => 1.33322363925000E+02,
 | |
|                 'atm'  => 1.31578947368421E-03,
 | |
|                 'at'   => 1.31578947368421E-03,
 | |
|                 'mmHg' => 1.0,
 | |
|             ),
 | |
|         ),
 | |
|         'Force' => array(
 | |
|             'N' => array(
 | |
|                 'N'   => 1.0,
 | |
|                 'dyn' => 1.0E+5,
 | |
|                 'dy'  => 1.0E+5,
 | |
|                 'lbf' => 2.24808923655339E-01,
 | |
|             ),
 | |
|             'dyn' => array(
 | |
|                 'N'   => 1.0E-5,
 | |
|                 'dyn' => 1.0,
 | |
|                 'dy'  => 1.0,
 | |
|                 'lbf' => 2.24808923655339E-06,
 | |
|             ),
 | |
|             'dy' => array(
 | |
|                 'N'   => 1.0E-5,
 | |
|                 'dyn' => 1.0,
 | |
|                 'dy'  => 1.0,
 | |
|                 'lbf' => 2.24808923655339E-06,
 | |
|             ),
 | |
|             'lbf' => array(
 | |
|                 'N'   => 4.448222,
 | |
|                 'dyn' => 4.448222E+5,
 | |
|                 'dy'  => 4.448222E+5,
 | |
|                 'lbf' => 1.0,
 | |
|             ),
 | |
|         ),
 | |
|         'Energy' => array(
 | |
|             'J' => array(
 | |
|                 'J'   => 1.0,
 | |
|                 'e'   => 9.99999519343231E+06,
 | |
|                 'c'   => 2.39006249473467E-01,
 | |
|                 'cal' => 2.38846190642017E-01,
 | |
|                 'eV'  => 6.24145700000000E+18,
 | |
|                 'ev'  => 6.24145700000000E+18,
 | |
|                 'HPh' => 3.72506430801000E-07,
 | |
|                 'hh'  => 3.72506430801000E-07,
 | |
|                 'Wh'  => 2.77777916238711E-04,
 | |
|                 'wh'  => 2.77777916238711E-04,
 | |
|                 'flb' => 2.37304222192651E+01,
 | |
|                 'BTU' => 9.47815067349015E-04,
 | |
|                 'btu' => 9.47815067349015E-04,
 | |
|             ),
 | |
|             'e' => array(
 | |
|                 'J'   => 1.00000048065700E-07,
 | |
|                 'e'   => 1.0,
 | |
|                 'c'   => 2.39006364353494E-08,
 | |
|                 'cal' => 2.38846305445111E-08,
 | |
|                 'eV'  => 6.24146000000000E+11,
 | |
|                 'ev'  => 6.24146000000000E+11,
 | |
|                 'HPh' => 3.72506609848824E-14,
 | |
|                 'hh'  => 3.72506609848824E-14,
 | |
|                 'Wh'  => 2.77778049754611E-11,
 | |
|                 'wh'  => 2.77778049754611E-11,
 | |
|                 'flb' => 2.37304336254586E-06,
 | |
|                 'BTU' => 9.47815522922962E-11,
 | |
|                 'btu' => 9.47815522922962E-11,
 | |
|             ),
 | |
|             'c' => array(
 | |
|                 'J'   => 4.18399101363672E+00,
 | |
|                 'e'   => 4.18398900257312E+07,
 | |
|                 'c'   => 1.0,
 | |
|                 'cal' => 9.99330315287563E-01,
 | |
|                 'eV'  => 2.61142000000000E+19,
 | |
|                 'ev'  => 2.61142000000000E+19,
 | |
|                 'HPh' => 1.55856355899327E-06,
 | |
|                 'hh'  => 1.55856355899327E-06,
 | |
|                 'Wh'  => 1.16222030532950E-03,
 | |
|                 'wh'  => 1.16222030532950E-03,
 | |
|                 'flb' => 9.92878733152102E+01,
 | |
|                 'BTU' => 3.96564972437776E-03,
 | |
|                 'btu' => 3.96564972437776E-03,
 | |
|             ),
 | |
|             'cal' => array(
 | |
|                 'J'   => 4.18679484613929E+00,
 | |
|                 'e'   => 4.18679283372801E+07,
 | |
|                 'c'   => 1.00067013349059E+00,
 | |
|                 'cal' => 1.0,
 | |
|                 'eV'  => 2.61317000000000E+19,
 | |
|                 'ev'  => 2.61317000000000E+19,
 | |
|                 'HPh' => 1.55960800463137E-06,
 | |
|                 'hh'  => 1.55960800463137E-06,
 | |
|                 'Wh'  => 1.16299914807955E-03,
 | |
|                 'wh'  => 1.16299914807955E-03,
 | |
|                 'flb' => 9.93544094443283E+01,
 | |
|                 'BTU' => 3.96830723907002E-03,
 | |
|                 'btu' => 3.96830723907002E-03,
 | |
|             ),
 | |
|             'eV' => array(
 | |
|                 'J'   => 1.60219000146921E-19,
 | |
|                 'e'   => 1.60218923136574E-12,
 | |
|                 'c'   => 3.82933423195043E-20,
 | |
|                 'cal' => 3.82676978535648E-20,
 | |
|                 'eV'  => 1.0,
 | |
|                 'ev'  => 1.0,
 | |
|                 'HPh' => 5.96826078912344E-26,
 | |
|                 'hh'  => 5.96826078912344E-26,
 | |
|                 'Wh'  => 4.45053000026614E-23,
 | |
|                 'wh'  => 4.45053000026614E-23,
 | |
|                 'flb' => 3.80206452103492E-18,
 | |
|                 'BTU' => 1.51857982414846E-22,
 | |
|                 'btu' => 1.51857982414846E-22,
 | |
|             ),
 | |
|             'ev' => array(
 | |
|                 'J'   => 1.60219000146921E-19,
 | |
|                 'e'   => 1.60218923136574E-12,
 | |
|                 'c'   => 3.82933423195043E-20,
 | |
|                 'cal' => 3.82676978535648E-20,
 | |
|                 'eV'  => 1.0,
 | |
|                 'ev'  => 1.0,
 | |
|                 'HPh' => 5.96826078912344E-26,
 | |
|                 'hh'  => 5.96826078912344E-26,
 | |
|                 'Wh'  => 4.45053000026614E-23,
 | |
|                 'wh'  => 4.45053000026614E-23,
 | |
|                 'flb' => 3.80206452103492E-18,
 | |
|                 'BTU' => 1.51857982414846E-22,
 | |
|                 'btu' => 1.51857982414846E-22,
 | |
|             ),
 | |
|             'HPh' => array(
 | |
|                 'J'   => 2.68451741316170E+06,
 | |
|                 'e'   => 2.68451612283024E+13,
 | |
|                 'c'   => 6.41616438565991E+05,
 | |
|                 'cal' => 6.41186757845835E+05,
 | |
|                 'eV'  => 1.67553000000000E+25,
 | |
|                 'ev'  => 1.67553000000000E+25,
 | |
|                 'HPh' => 1.0,
 | |
|                 'hh'  => 1.0,
 | |
|                 'Wh'  => 7.45699653134593E+02,
 | |
|                 'wh'  => 7.45699653134593E+02,
 | |
|                 'flb' => 6.37047316692964E+07,
 | |
|                 'BTU' => 2.54442605275546E+03,
 | |
|                 'btu' => 2.54442605275546E+03,
 | |
|             ),
 | |
|             'hh' => array(
 | |
|                 'J'   => 2.68451741316170E+06,
 | |
|                 'e'   => 2.68451612283024E+13,
 | |
|                 'c'   => 6.41616438565991E+05,
 | |
|                 'cal' => 6.41186757845835E+05,
 | |
|                 'eV'  => 1.67553000000000E+25,
 | |
|                 'ev'  => 1.67553000000000E+25,
 | |
|                 'HPh' => 1.0,
 | |
|                 'hh'  => 1.0,
 | |
|                 'Wh'  => 7.45699653134593E+02,
 | |
|                 'wh'  => 7.45699653134593E+02,
 | |
|                 'flb' => 6.37047316692964E+07,
 | |
|                 'BTU' => 2.54442605275546E+03,
 | |
|                 'btu' => 2.54442605275546E+03,
 | |
|             ),
 | |
|             'Wh' => array(
 | |
|                 'J'   => 3.59999820554720E+03,
 | |
|                 'e'   => 3.59999647518369E+10,
 | |
|                 'c'   => 8.60422069219046E+02,
 | |
|                 'cal' => 8.59845857713046E+02,
 | |
|                 'eV'  => 2.24692340000000E+22,
 | |
|                 'ev'  => 2.24692340000000E+22,
 | |
|                 'HPh' => 1.34102248243839E-03,
 | |
|                 'hh'  => 1.34102248243839E-03,
 | |
|                 'Wh'  => 1.0,
 | |
|                 'wh'  => 1.0,
 | |
|                 'flb' => 8.54294774062316E+04,
 | |
|                 'BTU' => 3.41213254164705E+00,
 | |
|                 'btu' => 3.41213254164705E+00,
 | |
|             ),
 | |
|             'wh' => array(
 | |
|                 'J'   => 3.59999820554720E+03,
 | |
|                 'e'   => 3.59999647518369E+10,
 | |
|                 'c'   => 8.60422069219046E+02,
 | |
|                 'cal' => 8.59845857713046E+02,
 | |
|                 'eV'  => 2.24692340000000E+22,
 | |
|                 'ev'  => 2.24692340000000E+22,
 | |
|                 'HPh' => 1.34102248243839E-03,
 | |
|                 'hh'  => 1.34102248243839E-03,
 | |
|                 'Wh'  => 1.0,
 | |
|                 'wh'  => 1.0,
 | |
|                 'flb' => 8.54294774062316E+04,
 | |
|                 'BTU' => 3.41213254164705E+00,
 | |
|                 'btu' => 3.41213254164705E+00,
 | |
|             ),
 | |
|             'flb' => array(
 | |
|                 'J'   => 4.21400003236424E-02,
 | |
|                 'e'   => 4.21399800687660E+05,
 | |
|                 'c'   => 1.00717234301644E-02,
 | |
|                 'cal' => 1.00649785509554E-02,
 | |
|                 'eV'  => 2.63015000000000E+17,
 | |
|                 'ev'  => 2.63015000000000E+17,
 | |
|                 'HPh' => 1.56974211145130E-08,
 | |
|                 'hh'  => 1.56974211145130E-08,
 | |
|                 'Wh'  => 1.17055614802000E-05,
 | |
|                 'wh'  => 1.17055614802000E-05,
 | |
|                 'flb' => 1.0,
 | |
|                 'BTU' => 3.99409272448406E-05,
 | |
|                 'btu' => 3.99409272448406E-05,
 | |
|             ),
 | |
|             'BTU' => array(
 | |
|                 'J'   => 1.05505813786749E+03,
 | |
|                 'e'   => 1.05505763074665E+10,
 | |
|                 'c'   => 2.52165488508168E+02,
 | |
|                 'cal' => 2.51996617135510E+02,
 | |
|                 'eV'  => 6.58510000000000E+21,
 | |
|                 'ev'  => 6.58510000000000E+21,
 | |
|                 'HPh' => 3.93015941224568E-04,
 | |
|                 'hh'  => 3.93015941224568E-04,
 | |
|                 'Wh'  => 2.93071851047526E-01,
 | |
|                 'wh'  => 2.93071851047526E-01,
 | |
|                 'flb' => 2.50369750774671E+04,
 | |
|                 'BTU' => 1.0,
 | |
|                 'btu' => 1.0,
 | |
|             ),
 | |
|             'btu' => array(
 | |
|                 'J'   => 1.05505813786749E+03,
 | |
|                 'e'   => 1.05505763074665E+10,
 | |
|                 'c'   => 2.52165488508168E+02,
 | |
|                 'cal' => 2.51996617135510E+02,
 | |
|                 'eV'  => 6.58510000000000E+21,
 | |
|                 'ev'  => 6.58510000000000E+21,
 | |
|                 'HPh' => 3.93015941224568E-04,
 | |
|                 'hh'  => 3.93015941224568E-04,
 | |
|                 'Wh'  => 2.93071851047526E-01,
 | |
|                 'wh'  => 2.93071851047526E-01,
 | |
|                 'flb' => 2.50369750774671E+04,
 | |
|                 'BTU' => 1.0,
 | |
|                 'btu' => 1.0,
 | |
|             ),
 | |
|         ),
 | |
|         'Power' => array(
 | |
|             'HP' => array(
 | |
|                 'HP' => 1.0,
 | |
|                 'h'  => 1.0,
 | |
|                 'W'  => 7.45701000000000E+02,
 | |
|                 'w'  => 7.45701000000000E+02,
 | |
|             ),
 | |
|             'h' => array(
 | |
|                 'HP' => 1.0,
 | |
|                 'h'  => 1.0,
 | |
|                 'W'  => 7.45701000000000E+02,
 | |
|                 'w'  => 7.45701000000000E+02,
 | |
|             ),
 | |
|             'W' => array(
 | |
|                 'HP' => 1.34102006031908E-03,
 | |
|                 'h'  => 1.34102006031908E-03,
 | |
|                 'W'  => 1.0,
 | |
|                 'w'  => 1.0,
 | |
|             ),
 | |
|             'w' => array(
 | |
|                 'HP' => 1.34102006031908E-03,
 | |
|                 'h'  => 1.34102006031908E-03,
 | |
|                 'W'  => 1.0,
 | |
|                 'w'  => 1.0,
 | |
|             ),
 | |
|         ),
 | |
|         'Magnetism' => array(
 | |
|             'T' => array(
 | |
|                 'T'  => 1.0,
 | |
|                 'ga' => 10000.0,
 | |
|             ),
 | |
|             'ga' => array(
 | |
|                 'T'  => 0.0001,
 | |
|                 'ga' => 1.0,
 | |
|             ),
 | |
|         ),
 | |
|         'Liquid' => array(
 | |
|             'tsp' => array(
 | |
|                 'tsp'   => 1.0,
 | |
|                 'tbs'   => 3.33333333333333E-01,
 | |
|                 'oz'    => 1.66666666666667E-01,
 | |
|                 'cup'   => 2.08333333333333E-02,
 | |
|                 'pt'    => 1.04166666666667E-02,
 | |
|                 'us_pt' => 1.04166666666667E-02,
 | |
|                 'uk_pt' => 8.67558516821960E-03,
 | |
|                 'qt'    => 5.20833333333333E-03,
 | |
|                 'gal'   => 1.30208333333333E-03,
 | |
|                 'l'     => 4.92999408400710E-03,
 | |
|                 'lt'    => 4.92999408400710E-03,
 | |
|             ),
 | |
|             'tbs' => array(
 | |
|                 'tsp'   => 3.00000000000000E+00,
 | |
|                 'tbs'   => 1.0,
 | |
|                 'oz'    => 5.00000000000000E-01,
 | |
|                 'cup'   => 6.25000000000000E-02,
 | |
|                 'pt'    => 3.12500000000000E-02,
 | |
|                 'us_pt' => 3.12500000000000E-02,
 | |
|                 'uk_pt' => 2.60267555046588E-02,
 | |
|                 'qt'    => 1.56250000000000E-02,
 | |
|                 'gal'   => 3.90625000000000E-03,
 | |
|                 'l'     => 1.47899822520213E-02,
 | |
|                 'lt'    => 1.47899822520213E-02,
 | |
|             ),
 | |
|             'oz' => array(
 | |
|                 'tsp'   => 6.00000000000000E+00,
 | |
|                 'tbs'   => 2.00000000000000E+00,
 | |
|                 'oz'    => 1.0,
 | |
|                 'cup'   => 1.25000000000000E-01,
 | |
|                 'pt'    => 6.25000000000000E-02,
 | |
|                 'us_pt' => 6.25000000000000E-02,
 | |
|                 'uk_pt' => 5.20535110093176E-02,
 | |
|                 'qt'    => 3.12500000000000E-02,
 | |
|                 'gal'   => 7.81250000000000E-03,
 | |
|                 'l'     => 2.95799645040426E-02,
 | |
|                 'lt'    => 2.95799645040426E-02,
 | |
|             ),
 | |
|             'cup' => array(
 | |
|                 'tsp'   => 4.80000000000000E+01,
 | |
|                 'tbs'   => 1.60000000000000E+01,
 | |
|                 'oz'    => 8.00000000000000E+00,
 | |
|                 'cup'   => 1.0,
 | |
|                 'pt'    => 5.00000000000000E-01,
 | |
|                 'us_pt' => 5.00000000000000E-01,
 | |
|                 'uk_pt' => 4.16428088074541E-01,
 | |
|                 'qt'    => 2.50000000000000E-01,
 | |
|                 'gal'   => 6.25000000000000E-02,
 | |
|                 'l'     => 2.36639716032341E-01,
 | |
|                 'lt'    => 2.36639716032341E-01,
 | |
|             ),
 | |
|             'pt' => array(
 | |
|                 'tsp'   => 9.60000000000000E+01,
 | |
|                 'tbs'   => 3.20000000000000E+01,
 | |
|                 'oz'    => 1.60000000000000E+01,
 | |
|                 'cup'   => 2.00000000000000E+00,
 | |
|                 'pt'    => 1.0,
 | |
|                 'us_pt' => 1.0,
 | |
|                 'uk_pt' => 8.32856176149081E-01,
 | |
|                 'qt'    => 5.00000000000000E-01,
 | |
|                 'gal'   => 1.25000000000000E-01,
 | |
|                 'l'     => 4.73279432064682E-01,
 | |
|                 'lt'    => 4.73279432064682E-01,
 | |
|             ),
 | |
|             'us_pt' => array(
 | |
|                 'tsp'   => 9.60000000000000E+01,
 | |
|                 'tbs'   => 3.20000000000000E+01,
 | |
|                 'oz'    => 1.60000000000000E+01,
 | |
|                 'cup'   => 2.00000000000000E+00,
 | |
|                 'pt'    => 1.0,
 | |
|                 'us_pt' => 1.0,
 | |
|                 'uk_pt' => 8.32856176149081E-01,
 | |
|                 'qt'    => 5.00000000000000E-01,
 | |
|                 'gal'   => 1.25000000000000E-01,
 | |
|                 'l'     => 4.73279432064682E-01,
 | |
|                 'lt'    => 4.73279432064682E-01,
 | |
|             ),
 | |
|             'uk_pt' => array(
 | |
|                 'tsp'   => 1.15266000000000E+02,
 | |
|                 'tbs'   => 3.84220000000000E+01,
 | |
|                 'oz'    => 1.92110000000000E+01,
 | |
|                 'cup'   => 2.40137500000000E+00,
 | |
|                 'pt'    => 1.20068750000000E+00,
 | |
|                 'us_pt' => 1.20068750000000E+00,
 | |
|                 'uk_pt' => 1.0,
 | |
|                 'qt'    => 6.00343750000000E-01,
 | |
|                 'gal'   => 1.50085937500000E-01,
 | |
|                 'l'     => 5.68260698087162E-01,
 | |
|                 'lt'    => 5.68260698087162E-01,
 | |
|             ),
 | |
|             'qt' => array(
 | |
|                 'tsp'   => 1.92000000000000E+02,
 | |
|                 'tbs'   => 6.40000000000000E+01,
 | |
|                 'oz'    => 3.20000000000000E+01,
 | |
|                 'cup'   => 4.00000000000000E+00,
 | |
|                 'pt'    => 2.00000000000000E+00,
 | |
|                 'us_pt' => 2.00000000000000E+00,
 | |
|                 'uk_pt' => 1.66571235229816E+00,
 | |
|                 'qt'    => 1.0,
 | |
|                 'gal'   => 2.50000000000000E-01,
 | |
|                 'l'     => 9.46558864129363E-01,
 | |
|                 'lt'    => 9.46558864129363E-01,
 | |
|             ),
 | |
|             'gal' => array(
 | |
|                 'tsp'   => 7.68000000000000E+02,
 | |
|                 'tbs'   => 2.56000000000000E+02,
 | |
|                 'oz'    => 1.28000000000000E+02,
 | |
|                 'cup'   => 1.60000000000000E+01,
 | |
|                 'pt'    => 8.00000000000000E+00,
 | |
|                 'us_pt' => 8.00000000000000E+00,
 | |
|                 'uk_pt' => 6.66284940919265E+00,
 | |
|                 'qt'    => 4.00000000000000E+00,
 | |
|                 'gal'   => 1.0,
 | |
|                 'l'     => 3.78623545651745E+00,
 | |
|                 'lt'    => 3.78623545651745E+00,
 | |
|             ),
 | |
|             'l' => array(
 | |
|                 'tsp'   => 2.02840000000000E+02,
 | |
|                 'tbs'   => 6.76133333333333E+01,
 | |
|                 'oz'    => 3.38066666666667E+01,
 | |
|                 'cup'   => 4.22583333333333E+00,
 | |
|                 'pt'    => 2.11291666666667E+00,
 | |
|                 'us_pt' => 2.11291666666667E+00,
 | |
|                 'uk_pt' => 1.75975569552166E+00,
 | |
|                 'qt'    => 1.05645833333333E+00,
 | |
|                 'gal'   => 2.64114583333333E-01,
 | |
|                 'l'     => 1.0,
 | |
|                 'lt'    => 1.0,
 | |
|             ),
 | |
|             'lt' => array(
 | |
|                 'tsp'   => 2.02840000000000E+02,
 | |
|                 'tbs'   => 6.76133333333333E+01,
 | |
|                 'oz'    => 3.38066666666667E+01,
 | |
|                 'cup'   => 4.22583333333333E+00,
 | |
|                 'pt'    => 2.11291666666667E+00,
 | |
|                 'us_pt' => 2.11291666666667E+00,
 | |
|                 'uk_pt' => 1.75975569552166E+00,
 | |
|                 'qt'    => 1.05645833333333E+00,
 | |
|                 'gal'   => 2.64114583333333E-01,
 | |
|                 'l'     => 1.0,
 | |
|                 'lt'    => 1.0,
 | |
|             ),
 | |
|         ),
 | |
|     );
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * parseComplex
 | |
|      *
 | |
|      * Parses a complex number into its real and imaginary parts, and an I or J suffix
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number
 | |
|      * @return    string[]    Indexed on "real", "imaginary" and "suffix"
 | |
|      */
 | |
|     public static function parseComplex($complexNumber)
 | |
|     {
 | |
|         $workString = (string) $complexNumber;
 | |
| 
 | |
|         $realNumber = $imaginary = 0;
 | |
|         //    Extract the suffix, if there is one
 | |
|         $suffix = substr($workString, -1);
 | |
|         if (!is_numeric($suffix)) {
 | |
|             $workString = substr($workString, 0, -1);
 | |
|         } else {
 | |
|             $suffix = '';
 | |
|         }
 | |
| 
 | |
|         //    Split the input into its Real and Imaginary components
 | |
|         $leadingSign = 0;
 | |
|         if (strlen($workString) > 0) {
 | |
|             $leadingSign = (($workString{0} == '+') || ($workString{0} == '-')) ? 1 : 0;
 | |
|         }
 | |
|         $power = '';
 | |
|         $realNumber = strtok($workString, '+-');
 | |
|         if (strtoupper(substr($realNumber, -1)) == 'E') {
 | |
|             $power = strtok('+-');
 | |
|             ++$leadingSign;
 | |
|         }
 | |
| 
 | |
|         $realNumber = substr($workString, 0, strlen($realNumber)+strlen($power)+$leadingSign);
 | |
| 
 | |
|         if ($suffix != '') {
 | |
|             $imaginary = substr($workString, strlen($realNumber));
 | |
| 
 | |
|             if (($imaginary == '') && (($realNumber == '') || ($realNumber == '+') || ($realNumber == '-'))) {
 | |
|                 $imaginary = $realNumber.'1';
 | |
|                 $realNumber = '0';
 | |
|             } elseif ($imaginary == '') {
 | |
|                 $imaginary = $realNumber;
 | |
|                 $realNumber = '0';
 | |
|             } elseif (($imaginary == '+') || ($imaginary == '-')) {
 | |
|                 $imaginary .= '1';
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         return array(
 | |
|             'real'   => $realNumber,
 | |
|             'imaginary' => $imaginary,
 | |
|             'suffix' => $suffix
 | |
|         );
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * Cleans the leading characters in a complex number string
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number to clean
 | |
|      * @return    string        The "cleaned" complex number
 | |
|      */
 | |
|     private static function cleanComplex($complexNumber)
 | |
|     {
 | |
|         if ($complexNumber{0} == '+') {
 | |
|             $complexNumber = substr($complexNumber, 1);
 | |
|         }
 | |
|         if ($complexNumber{0} == '0') {
 | |
|             $complexNumber = substr($complexNumber, 1);
 | |
|         }
 | |
|         if ($complexNumber{0} == '.') {
 | |
|             $complexNumber = '0'.$complexNumber;
 | |
|         }
 | |
|         if ($complexNumber{0} == '+') {
 | |
|             $complexNumber = substr($complexNumber, 1);
 | |
|         }
 | |
|         return $complexNumber;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Formats a number base string value with leading zeroes
 | |
|      *
 | |
|      * @param    string        $xVal        The "number" to pad
 | |
|      * @param    integer        $places        The length that we want to pad this value
 | |
|      * @return    string        The padded "number"
 | |
|      */
 | |
|     private static function nbrConversionFormat($xVal, $places)
 | |
|     {
 | |
|         if (!is_null($places)) {
 | |
|             if (strlen($xVal) <= $places) {
 | |
|                 return substr(str_pad($xVal, $places, '0', STR_PAD_LEFT), -10);
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::NaN();
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         return substr($xVal, -10);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      *    BESSELI
 | |
|      *
 | |
|      *    Returns the modified Bessel function In(x), which is equivalent to the Bessel function evaluated
 | |
|      *        for purely imaginary arguments
 | |
|      *
 | |
|      *    Excel Function:
 | |
|      *        BESSELI(x,ord)
 | |
|      *
 | |
|      *    @access    public
 | |
|      *    @category Engineering Functions
 | |
|      *    @param    float        $x        The value at which to evaluate the function.
 | |
|      *                                If x is nonnumeric, BESSELI returns the #VALUE! error value.
 | |
|      *    @param    integer        $ord    The order of the Bessel function.
 | |
|      *                                If ord is not an integer, it is truncated.
 | |
|      *                                If $ord is nonnumeric, BESSELI returns the #VALUE! error value.
 | |
|      *                                If $ord < 0, BESSELI returns the #NUM! error value.
 | |
|      *    @return    float
 | |
|      *
 | |
|      */
 | |
|     public static function BESSELI($x, $ord)
 | |
|     {
 | |
|         $x    = (is_null($x))    ? 0.0 :    PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $ord    = (is_null($ord))    ? 0.0 :    PHPExcel_Calculation_Functions::flattenSingleValue($ord);
 | |
| 
 | |
|         if ((is_numeric($x)) && (is_numeric($ord))) {
 | |
|             $ord    = floor($ord);
 | |
|             if ($ord < 0) {
 | |
|                 return PHPExcel_Calculation_Functions::NaN();
 | |
|             }
 | |
| 
 | |
|             if (abs($x) <= 30) {
 | |
|                 $fResult = $fTerm = pow($x / 2, $ord) / PHPExcel_Calculation_MathTrig::FACT($ord);
 | |
|                 $ordK = 1;
 | |
|                 $fSqrX = ($x * $x) / 4;
 | |
|                 do {
 | |
|                     $fTerm *= $fSqrX;
 | |
|                     $fTerm /= ($ordK * ($ordK + $ord));
 | |
|                     $fResult += $fTerm;
 | |
|                 } while ((abs($fTerm) > 1e-12) && (++$ordK < 100));
 | |
|             } else {
 | |
|                 $f_2_PI = 2 * M_PI;
 | |
| 
 | |
|                 $fXAbs = abs($x);
 | |
|                 $fResult = exp($fXAbs) / sqrt($f_2_PI * $fXAbs);
 | |
|                 if (($ord & 1) && ($x < 0)) {
 | |
|                     $fResult = -$fResult;
 | |
|                 }
 | |
|             }
 | |
|             return (is_nan($fResult)) ? PHPExcel_Calculation_Functions::NaN() : $fResult;
 | |
|         }
 | |
|         return PHPExcel_Calculation_Functions::VALUE();
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    BESSELJ
 | |
|      *
 | |
|      *    Returns the Bessel function
 | |
|      *
 | |
|      *    Excel Function:
 | |
|      *        BESSELJ(x,ord)
 | |
|      *
 | |
|      *    @access    public
 | |
|      *    @category Engineering Functions
 | |
|      *    @param    float        $x        The value at which to evaluate the function.
 | |
|      *                                If x is nonnumeric, BESSELJ returns the #VALUE! error value.
 | |
|      *    @param    integer        $ord    The order of the Bessel function. If n is not an integer, it is truncated.
 | |
|      *                                If $ord is nonnumeric, BESSELJ returns the #VALUE! error value.
 | |
|      *                                If $ord < 0, BESSELJ returns the #NUM! error value.
 | |
|      *    @return    float
 | |
|      *
 | |
|      */
 | |
|     public static function BESSELJ($x, $ord)
 | |
|     {
 | |
|         $x    = (is_null($x))    ? 0.0 :    PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $ord    = (is_null($ord))    ? 0.0 :    PHPExcel_Calculation_Functions::flattenSingleValue($ord);
 | |
| 
 | |
|         if ((is_numeric($x)) && (is_numeric($ord))) {
 | |
|             $ord    = floor($ord);
 | |
|             if ($ord < 0) {
 | |
|                 return PHPExcel_Calculation_Functions::NaN();
 | |
|             }
 | |
| 
 | |
|             $fResult = 0;
 | |
|             if (abs($x) <= 30) {
 | |
|                 $fResult = $fTerm = pow($x / 2, $ord) / PHPExcel_Calculation_MathTrig::FACT($ord);
 | |
|                 $ordK = 1;
 | |
|                 $fSqrX = ($x * $x) / -4;
 | |
|                 do {
 | |
|                     $fTerm *= $fSqrX;
 | |
|                     $fTerm /= ($ordK * ($ordK + $ord));
 | |
|                     $fResult += $fTerm;
 | |
|                 } while ((abs($fTerm) > 1e-12) && (++$ordK < 100));
 | |
|             } else {
 | |
|                 $f_PI_DIV_2 = M_PI / 2;
 | |
|                 $f_PI_DIV_4 = M_PI / 4;
 | |
| 
 | |
|                 $fXAbs = abs($x);
 | |
|                 $fResult = sqrt(M_2DIVPI / $fXAbs) * cos($fXAbs - $ord * $f_PI_DIV_2 - $f_PI_DIV_4);
 | |
|                 if (($ord & 1) && ($x < 0)) {
 | |
|                     $fResult = -$fResult;
 | |
|                 }
 | |
|             }
 | |
|             return (is_nan($fResult)) ? PHPExcel_Calculation_Functions::NaN() : $fResult;
 | |
|         }
 | |
|         return PHPExcel_Calculation_Functions::VALUE();
 | |
|     }
 | |
| 
 | |
| 
 | |
|     private static function besselK0($fNum)
 | |
|     {
 | |
|         if ($fNum <= 2) {
 | |
|             $fNum2 = $fNum * 0.5;
 | |
|             $y = ($fNum2 * $fNum2);
 | |
|             $fRet = -log($fNum2) * self::BESSELI($fNum, 0) +
 | |
|                 (-0.57721566 + $y * (0.42278420 + $y * (0.23069756 + $y * (0.3488590e-1 + $y * (0.262698e-2 + $y *
 | |
|                 (0.10750e-3 + $y * 0.74e-5))))));
 | |
|         } else {
 | |
|             $y = 2 / $fNum;
 | |
|             $fRet = exp(-$fNum) / sqrt($fNum) *
 | |
|                 (1.25331414 + $y * (-0.7832358e-1 + $y * (0.2189568e-1 + $y * (-0.1062446e-1 + $y *
 | |
|                 (0.587872e-2 + $y * (-0.251540e-2 + $y * 0.53208e-3))))));
 | |
|         }
 | |
|         return $fRet;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     private static function besselK1($fNum)
 | |
|     {
 | |
|         if ($fNum <= 2) {
 | |
|             $fNum2 = $fNum * 0.5;
 | |
|             $y = ($fNum2 * $fNum2);
 | |
|             $fRet = log($fNum2) * self::BESSELI($fNum, 1) +
 | |
|                 (1 + $y * (0.15443144 + $y * (-0.67278579 + $y * (-0.18156897 + $y * (-0.1919402e-1 + $y *
 | |
|                 (-0.110404e-2 + $y * (-0.4686e-4))))))) / $fNum;
 | |
|         } else {
 | |
|             $y = 2 / $fNum;
 | |
|             $fRet = exp(-$fNum) / sqrt($fNum) *
 | |
|                 (1.25331414 + $y * (0.23498619 + $y * (-0.3655620e-1 + $y * (0.1504268e-1 + $y * (-0.780353e-2 + $y *
 | |
|                 (0.325614e-2 + $y * (-0.68245e-3)))))));
 | |
|         }
 | |
|         return $fRet;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    BESSELK
 | |
|      *
 | |
|      *    Returns the modified Bessel function Kn(x), which is equivalent to the Bessel functions evaluated
 | |
|      *        for purely imaginary arguments.
 | |
|      *
 | |
|      *    Excel Function:
 | |
|      *        BESSELK(x,ord)
 | |
|      *
 | |
|      *    @access    public
 | |
|      *    @category Engineering Functions
 | |
|      *    @param    float        $x        The value at which to evaluate the function.
 | |
|      *                                If x is nonnumeric, BESSELK returns the #VALUE! error value.
 | |
|      *    @param    integer        $ord    The order of the Bessel function. If n is not an integer, it is truncated.
 | |
|      *                                If $ord is nonnumeric, BESSELK returns the #VALUE! error value.
 | |
|      *                                If $ord < 0, BESSELK returns the #NUM! error value.
 | |
|      *    @return    float
 | |
|      *
 | |
|      */
 | |
|     public static function BESSELK($x, $ord)
 | |
|     {
 | |
|         $x        = (is_null($x))        ? 0.0 :    PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $ord    = (is_null($ord))    ? 0.0 :    PHPExcel_Calculation_Functions::flattenSingleValue($ord);
 | |
| 
 | |
|         if ((is_numeric($x)) && (is_numeric($ord))) {
 | |
|             if (($ord < 0) || ($x == 0.0)) {
 | |
|                 return PHPExcel_Calculation_Functions::NaN();
 | |
|             }
 | |
| 
 | |
|             switch (floor($ord)) {
 | |
|                 case 0:
 | |
|                     return self::besselK0($x);
 | |
|                 case 1:
 | |
|                     return self::besselK1($x);
 | |
|                 default:
 | |
|                     $fTox    = 2 / $x;
 | |
|                     $fBkm    = self::besselK0($x);
 | |
|                     $fBk    = self::besselK1($x);
 | |
|                     for ($n = 1; $n < $ord; ++$n) {
 | |
|                         $fBkp    = $fBkm + $n * $fTox * $fBk;
 | |
|                         $fBkm    = $fBk;
 | |
|                         $fBk    = $fBkp;
 | |
|                     }
 | |
|             }
 | |
|             return (is_nan($fBk)) ? PHPExcel_Calculation_Functions::NaN() : $fBk;
 | |
|         }
 | |
|         return PHPExcel_Calculation_Functions::VALUE();
 | |
|     }
 | |
| 
 | |
| 
 | |
|     private static function besselY0($fNum)
 | |
|     {
 | |
|         if ($fNum < 8.0) {
 | |
|             $y = ($fNum * $fNum);
 | |
|             $f1 = -2957821389.0 + $y * (7062834065.0 + $y * (-512359803.6 + $y * (10879881.29 + $y * (-86327.92757 + $y * 228.4622733))));
 | |
|             $f2 = 40076544269.0 + $y * (745249964.8 + $y * (7189466.438 + $y * (47447.26470 + $y * (226.1030244 + $y))));
 | |
|             $fRet = $f1 / $f2 + 0.636619772 * self::BESSELJ($fNum, 0) * log($fNum);
 | |
|         } else {
 | |
|             $z = 8.0 / $fNum;
 | |
|             $y = ($z * $z);
 | |
|             $xx = $fNum - 0.785398164;
 | |
|             $f1 = 1 + $y * (-0.1098628627e-2 + $y * (0.2734510407e-4 + $y * (-0.2073370639e-5 + $y * 0.2093887211e-6)));
 | |
|             $f2 = -0.1562499995e-1 + $y * (0.1430488765e-3 + $y * (-0.6911147651e-5 + $y * (0.7621095161e-6 + $y * (-0.934945152e-7))));
 | |
|             $fRet = sqrt(0.636619772 / $fNum) * (sin($xx) * $f1 + $z * cos($xx) * $f2);
 | |
|         }
 | |
|         return $fRet;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     private static function besselY1($fNum)
 | |
|     {
 | |
|         if ($fNum < 8.0) {
 | |
|             $y = ($fNum * $fNum);
 | |
|             $f1 = $fNum * (-0.4900604943e13 + $y * (0.1275274390e13 + $y * (-0.5153438139e11 + $y * (0.7349264551e9 + $y *
 | |
|                 (-0.4237922726e7 + $y * 0.8511937935e4)))));
 | |
|             $f2 = 0.2499580570e14 + $y * (0.4244419664e12 + $y * (0.3733650367e10 + $y * (0.2245904002e8 + $y *
 | |
|                 (0.1020426050e6 + $y * (0.3549632885e3 + $y)))));
 | |
|             $fRet = $f1 / $f2 + 0.636619772 * ( self::BESSELJ($fNum, 1) * log($fNum) - 1 / $fNum);
 | |
|         } else {
 | |
|             $fRet = sqrt(0.636619772 / $fNum) * sin($fNum - 2.356194491);
 | |
|         }
 | |
|         return $fRet;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    BESSELY
 | |
|      *
 | |
|      *    Returns the Bessel function, which is also called the Weber function or the Neumann function.
 | |
|      *
 | |
|      *    Excel Function:
 | |
|      *        BESSELY(x,ord)
 | |
|      *
 | |
|      *    @access    public
 | |
|      *    @category Engineering Functions
 | |
|      *    @param    float        $x        The value at which to evaluate the function.
 | |
|      *                                If x is nonnumeric, BESSELK returns the #VALUE! error value.
 | |
|      *    @param    integer        $ord    The order of the Bessel function. If n is not an integer, it is truncated.
 | |
|      *                                If $ord is nonnumeric, BESSELK returns the #VALUE! error value.
 | |
|      *                                If $ord < 0, BESSELK returns the #NUM! error value.
 | |
|      *
 | |
|      *    @return    float
 | |
|      */
 | |
|     public static function BESSELY($x, $ord)
 | |
|     {
 | |
|         $x        = (is_null($x))        ? 0.0 :    PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $ord    = (is_null($ord))    ? 0.0 :    PHPExcel_Calculation_Functions::flattenSingleValue($ord);
 | |
| 
 | |
|         if ((is_numeric($x)) && (is_numeric($ord))) {
 | |
|             if (($ord < 0) || ($x == 0.0)) {
 | |
|                 return PHPExcel_Calculation_Functions::NaN();
 | |
|             }
 | |
| 
 | |
|             switch (floor($ord)) {
 | |
|                 case 0:
 | |
|                     return self::besselY0($x);
 | |
|                 case 1:
 | |
|                     return self::besselY1($x);
 | |
|                 default:
 | |
|                     $fTox    = 2 / $x;
 | |
|                     $fBym    = self::besselY0($x);
 | |
|                     $fBy    = self::besselY1($x);
 | |
|                     for ($n = 1; $n < $ord; ++$n) {
 | |
|                         $fByp    = $n * $fTox * $fBy - $fBym;
 | |
|                         $fBym    = $fBy;
 | |
|                         $fBy    = $fByp;
 | |
|                     }
 | |
|             }
 | |
|             return (is_nan($fBy)) ? PHPExcel_Calculation_Functions::NaN() : $fBy;
 | |
|         }
 | |
|         return PHPExcel_Calculation_Functions::VALUE();
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * BINTODEC
 | |
|      *
 | |
|      * Return a binary value as decimal.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        BIN2DEC(x)
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x        The binary number (as a string) that you want to convert. The number
 | |
|      *                                cannot contain more than 10 characters (10 bits). The most significant
 | |
|      *                                bit of number is the sign bit. The remaining 9 bits are magnitude bits.
 | |
|      *                                Negative numbers are represented using two's-complement notation.
 | |
|      *                                If number is not a valid binary number, or if number contains more than
 | |
|      *                                10 characters (10 bits), BIN2DEC returns the #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function BINTODEC($x)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) {
 | |
|                 $x = (int) $x;
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::VALUE();
 | |
|             }
 | |
|         }
 | |
|         if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC) {
 | |
|             $x = floor($x);
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (strlen($x) > preg_match_all('/[01]/', $x, $out)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
|         if (strlen($x) > 10) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         } elseif (strlen($x) == 10) {
 | |
|             //    Two's Complement
 | |
|             $x = substr($x, -9);
 | |
|             return '-'.(512-bindec($x));
 | |
|         }
 | |
|         return bindec($x);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * BINTOHEX
 | |
|      *
 | |
|      * Return a binary value as hex.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        BIN2HEX(x[,places])
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x        The binary number (as a string) that you want to convert. The number
 | |
|      *                                cannot contain more than 10 characters (10 bits). The most significant
 | |
|      *                                bit of number is the sign bit. The remaining 9 bits are magnitude bits.
 | |
|      *                                Negative numbers are represented using two's-complement notation.
 | |
|      *                                If number is not a valid binary number, or if number contains more than
 | |
|      *                                10 characters (10 bits), BIN2HEX returns the #NUM! error value.
 | |
|      * @param    integer        $places    The number of characters to use. If places is omitted, BIN2HEX uses the
 | |
|      *                                minimum number of characters necessary. Places is useful for padding the
 | |
|      *                                return value with leading 0s (zeros).
 | |
|      *                                If places is not an integer, it is truncated.
 | |
|      *                                If places is nonnumeric, BIN2HEX returns the #VALUE! error value.
 | |
|      *                                If places is negative, BIN2HEX returns the #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function BINTOHEX($x, $places = null)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $places    = PHPExcel_Calculation_Functions::flattenSingleValue($places);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) {
 | |
|                 $x = (int) $x;
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::VALUE();
 | |
|             }
 | |
|         }
 | |
|         if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC) {
 | |
|             $x = floor($x);
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (strlen($x) > preg_match_all('/[01]/', $x, $out)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
|         if (strlen($x) > 10) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         } elseif (strlen($x) == 10) {
 | |
|             //    Two's Complement
 | |
|             return str_repeat('F', 8).substr(strtoupper(dechex(bindec(substr($x, -9)))), -2);
 | |
|         }
 | |
|         $hexVal = (string) strtoupper(dechex(bindec($x)));
 | |
| 
 | |
|         return self::nbrConversionFormat($hexVal, $places);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * BINTOOCT
 | |
|      *
 | |
|      * Return a binary value as octal.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        BIN2OCT(x[,places])
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x        The binary number (as a string) that you want to convert. The number
 | |
|      *                                cannot contain more than 10 characters (10 bits). The most significant
 | |
|      *                                bit of number is the sign bit. The remaining 9 bits are magnitude bits.
 | |
|      *                                Negative numbers are represented using two's-complement notation.
 | |
|      *                                If number is not a valid binary number, or if number contains more than
 | |
|      *                                10 characters (10 bits), BIN2OCT returns the #NUM! error value.
 | |
|      * @param    integer        $places    The number of characters to use. If places is omitted, BIN2OCT uses the
 | |
|      *                                minimum number of characters necessary. Places is useful for padding the
 | |
|      *                                return value with leading 0s (zeros).
 | |
|      *                                If places is not an integer, it is truncated.
 | |
|      *                                If places is nonnumeric, BIN2OCT returns the #VALUE! error value.
 | |
|      *                                If places is negative, BIN2OCT returns the #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function BINTOOCT($x, $places = null)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $places    = PHPExcel_Calculation_Functions::flattenSingleValue($places);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) {
 | |
|                 $x = (int) $x;
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::VALUE();
 | |
|             }
 | |
|         }
 | |
|         if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC) {
 | |
|             $x = floor($x);
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (strlen($x) > preg_match_all('/[01]/', $x, $out)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
|         if (strlen($x) > 10) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         } elseif (strlen($x) == 10) {
 | |
|             //    Two's Complement
 | |
|             return str_repeat('7', 7).substr(strtoupper(decoct(bindec(substr($x, -9)))), -3);
 | |
|         }
 | |
|         $octVal = (string) decoct(bindec($x));
 | |
| 
 | |
|         return self::nbrConversionFormat($octVal, $places);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * DECTOBIN
 | |
|      *
 | |
|      * Return a decimal value as binary.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        DEC2BIN(x[,places])
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x        The decimal integer you want to convert. If number is negative,
 | |
|      *                                valid place values are ignored and DEC2BIN returns a 10-character
 | |
|      *                                (10-bit) binary number in which the most significant bit is the sign
 | |
|      *                                bit. The remaining 9 bits are magnitude bits. Negative numbers are
 | |
|      *                                represented using two's-complement notation.
 | |
|      *                                If number < -512 or if number > 511, DEC2BIN returns the #NUM! error
 | |
|      *                                value.
 | |
|      *                                If number is nonnumeric, DEC2BIN returns the #VALUE! error value.
 | |
|      *                                If DEC2BIN requires more than places characters, it returns the #NUM!
 | |
|      *                                error value.
 | |
|      * @param    integer        $places    The number of characters to use. If places is omitted, DEC2BIN uses
 | |
|      *                                the minimum number of characters necessary. Places is useful for
 | |
|      *                                padding the return value with leading 0s (zeros).
 | |
|      *                                If places is not an integer, it is truncated.
 | |
|      *                                If places is nonnumeric, DEC2BIN returns the #VALUE! error value.
 | |
|      *                                If places is zero or negative, DEC2BIN returns the #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function DECTOBIN($x, $places = null)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $places    = PHPExcel_Calculation_Functions::flattenSingleValue($places);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) {
 | |
|                 $x = (int) $x;
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::VALUE();
 | |
|             }
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (strlen($x) > preg_match_all('/[-0123456789.]/', $x, $out)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
|         $x = (string) floor($x);
 | |
|         $r = decbin($x);
 | |
|         if (strlen($r) == 32) {
 | |
|             //    Two's Complement
 | |
|             $r = substr($r, -10);
 | |
|         } elseif (strlen($r) > 11) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
| 
 | |
|         return self::nbrConversionFormat($r, $places);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * DECTOHEX
 | |
|      *
 | |
|      * Return a decimal value as hex.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        DEC2HEX(x[,places])
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x        The decimal integer you want to convert. If number is negative,
 | |
|      *                                places is ignored and DEC2HEX returns a 10-character (40-bit)
 | |
|      *                                hexadecimal number in which the most significant bit is the sign
 | |
|      *                                bit. The remaining 39 bits are magnitude bits. Negative numbers
 | |
|      *                                are represented using two's-complement notation.
 | |
|      *                                If number < -549,755,813,888 or if number > 549,755,813,887,
 | |
|      *                                DEC2HEX returns the #NUM! error value.
 | |
|      *                                If number is nonnumeric, DEC2HEX returns the #VALUE! error value.
 | |
|      *                                If DEC2HEX requires more than places characters, it returns the
 | |
|      *                                #NUM! error value.
 | |
|      * @param    integer        $places    The number of characters to use. If places is omitted, DEC2HEX uses
 | |
|      *                                the minimum number of characters necessary. Places is useful for
 | |
|      *                                padding the return value with leading 0s (zeros).
 | |
|      *                                If places is not an integer, it is truncated.
 | |
|      *                                If places is nonnumeric, DEC2HEX returns the #VALUE! error value.
 | |
|      *                                If places is zero or negative, DEC2HEX returns the #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function DECTOHEX($x, $places = null)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $places    = PHPExcel_Calculation_Functions::flattenSingleValue($places);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) {
 | |
|                 $x = (int) $x;
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::VALUE();
 | |
|             }
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (strlen($x) > preg_match_all('/[-0123456789.]/', $x, $out)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
|         $x = (string) floor($x);
 | |
|         $r = strtoupper(dechex($x));
 | |
|         if (strlen($r) == 8) {
 | |
|             //    Two's Complement
 | |
|             $r = 'FF'.$r;
 | |
|         }
 | |
| 
 | |
|         return self::nbrConversionFormat($r, $places);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * DECTOOCT
 | |
|      *
 | |
|      * Return an decimal value as octal.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        DEC2OCT(x[,places])
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x        The decimal integer you want to convert. If number is negative,
 | |
|      *                                places is ignored and DEC2OCT returns a 10-character (30-bit)
 | |
|      *                                octal number in which the most significant bit is the sign bit.
 | |
|      *                                The remaining 29 bits are magnitude bits. Negative numbers are
 | |
|      *                                represented using two's-complement notation.
 | |
|      *                                If number < -536,870,912 or if number > 536,870,911, DEC2OCT
 | |
|      *                                returns the #NUM! error value.
 | |
|      *                                If number is nonnumeric, DEC2OCT returns the #VALUE! error value.
 | |
|      *                                If DEC2OCT requires more than places characters, it returns the
 | |
|      *                                #NUM! error value.
 | |
|      * @param    integer        $places    The number of characters to use. If places is omitted, DEC2OCT uses
 | |
|      *                                the minimum number of characters necessary. Places is useful for
 | |
|      *                                padding the return value with leading 0s (zeros).
 | |
|      *                                If places is not an integer, it is truncated.
 | |
|      *                                If places is nonnumeric, DEC2OCT returns the #VALUE! error value.
 | |
|      *                                If places is zero or negative, DEC2OCT returns the #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function DECTOOCT($x, $places = null)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $places    = PHPExcel_Calculation_Functions::flattenSingleValue($places);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) {
 | |
|                 $x = (int) $x;
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::VALUE();
 | |
|             }
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (strlen($x) > preg_match_all('/[-0123456789.]/', $x, $out)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
|         $x = (string) floor($x);
 | |
|         $r = decoct($x);
 | |
|         if (strlen($r) == 11) {
 | |
|             //    Two's Complement
 | |
|             $r = substr($r, -10);
 | |
|         }
 | |
| 
 | |
|         return self::nbrConversionFormat($r, $places);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * HEXTOBIN
 | |
|      *
 | |
|      * Return a hex value as binary.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        HEX2BIN(x[,places])
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x            the hexadecimal number you want to convert. Number cannot
 | |
|      *                                    contain more than 10 characters. The most significant bit of
 | |
|      *                                    number is the sign bit (40th bit from the right). The remaining
 | |
|      *                                    9 bits are magnitude bits. Negative numbers are represented
 | |
|      *                                    using two's-complement notation.
 | |
|      *                                    If number is negative, HEX2BIN ignores places and returns a
 | |
|      *                                    10-character binary number.
 | |
|      *                                    If number is negative, it cannot be less than FFFFFFFE00, and
 | |
|      *                                    if number is positive, it cannot be greater than 1FF.
 | |
|      *                                    If number is not a valid hexadecimal number, HEX2BIN returns
 | |
|      *                                    the #NUM! error value.
 | |
|      *                                    If HEX2BIN requires more than places characters, it returns
 | |
|      *                                    the #NUM! error value.
 | |
|      * @param    integer        $places        The number of characters to use. If places is omitted,
 | |
|      *                                    HEX2BIN uses the minimum number of characters necessary. Places
 | |
|      *                                    is useful for padding the return value with leading 0s (zeros).
 | |
|      *                                    If places is not an integer, it is truncated.
 | |
|      *                                    If places is nonnumeric, HEX2BIN returns the #VALUE! error value.
 | |
|      *                                    If places is negative, HEX2BIN returns the #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function HEXTOBIN($x, $places = null)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $places    = PHPExcel_Calculation_Functions::flattenSingleValue($places);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (strlen($x) > preg_match_all('/[0123456789ABCDEF]/', strtoupper($x), $out)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
|         $binVal = decbin(hexdec($x));
 | |
| 
 | |
|         return substr(self::nbrConversionFormat($binVal, $places), -10);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * HEXTODEC
 | |
|      *
 | |
|      * Return a hex value as decimal.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        HEX2DEC(x)
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x        The hexadecimal number you want to convert. This number cannot
 | |
|      *                                contain more than 10 characters (40 bits). The most significant
 | |
|      *                                bit of number is the sign bit. The remaining 39 bits are magnitude
 | |
|      *                                bits. Negative numbers are represented using two's-complement
 | |
|      *                                notation.
 | |
|      *                                If number is not a valid hexadecimal number, HEX2DEC returns the
 | |
|      *                                #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function HEXTODEC($x)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (strlen($x) > preg_match_all('/[0123456789ABCDEF]/', strtoupper($x), $out)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
|         return hexdec($x);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * HEXTOOCT
 | |
|      *
 | |
|      * Return a hex value as octal.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        HEX2OCT(x[,places])
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x            The hexadecimal number you want to convert. Number cannot
 | |
|      *                                    contain more than 10 characters. The most significant bit of
 | |
|      *                                    number is the sign bit. The remaining 39 bits are magnitude
 | |
|      *                                    bits. Negative numbers are represented using two's-complement
 | |
|      *                                    notation.
 | |
|      *                                    If number is negative, HEX2OCT ignores places and returns a
 | |
|      *                                    10-character octal number.
 | |
|      *                                    If number is negative, it cannot be less than FFE0000000, and
 | |
|      *                                    if number is positive, it cannot be greater than 1FFFFFFF.
 | |
|      *                                    If number is not a valid hexadecimal number, HEX2OCT returns
 | |
|      *                                    the #NUM! error value.
 | |
|      *                                    If HEX2OCT requires more than places characters, it returns
 | |
|      *                                    the #NUM! error value.
 | |
|      * @param    integer        $places        The number of characters to use. If places is omitted, HEX2OCT
 | |
|      *                                    uses the minimum number of characters necessary. Places is
 | |
|      *                                    useful for padding the return value with leading 0s (zeros).
 | |
|      *                                    If places is not an integer, it is truncated.
 | |
|      *                                    If places is nonnumeric, HEX2OCT returns the #VALUE! error
 | |
|      *                                    value.
 | |
|      *                                    If places is negative, HEX2OCT returns the #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function HEXTOOCT($x, $places = null)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $places    = PHPExcel_Calculation_Functions::flattenSingleValue($places);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (strlen($x) > preg_match_all('/[0123456789ABCDEF]/', strtoupper($x), $out)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
|         $octVal = decoct(hexdec($x));
 | |
| 
 | |
|         return self::nbrConversionFormat($octVal, $places);
 | |
|     }    //    function HEXTOOCT()
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * OCTTOBIN
 | |
|      *
 | |
|      * Return an octal value as binary.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        OCT2BIN(x[,places])
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x            The octal number you want to convert. Number may not
 | |
|      *                                    contain more than 10 characters. The most significant
 | |
|      *                                    bit of number is the sign bit. The remaining 29 bits
 | |
|      *                                    are magnitude bits. Negative numbers are represented
 | |
|      *                                    using two's-complement notation.
 | |
|      *                                    If number is negative, OCT2BIN ignores places and returns
 | |
|      *                                    a 10-character binary number.
 | |
|      *                                    If number is negative, it cannot be less than 7777777000,
 | |
|      *                                    and if number is positive, it cannot be greater than 777.
 | |
|      *                                    If number is not a valid octal number, OCT2BIN returns
 | |
|      *                                    the #NUM! error value.
 | |
|      *                                    If OCT2BIN requires more than places characters, it
 | |
|      *                                    returns the #NUM! error value.
 | |
|      * @param    integer        $places        The number of characters to use. If places is omitted,
 | |
|      *                                    OCT2BIN uses the minimum number of characters necessary.
 | |
|      *                                    Places is useful for padding the return value with
 | |
|      *                                    leading 0s (zeros).
 | |
|      *                                    If places is not an integer, it is truncated.
 | |
|      *                                    If places is nonnumeric, OCT2BIN returns the #VALUE!
 | |
|      *                                    error value.
 | |
|      *                                    If places is negative, OCT2BIN returns the #NUM! error
 | |
|      *                                    value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function OCTTOBIN($x, $places = null)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $places    = PHPExcel_Calculation_Functions::flattenSingleValue($places);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (preg_match_all('/[01234567]/', $x, $out) != strlen($x)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
|         $r = decbin(octdec($x));
 | |
| 
 | |
|         return self::nbrConversionFormat($r, $places);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * OCTTODEC
 | |
|      *
 | |
|      * Return an octal value as decimal.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        OCT2DEC(x)
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x        The octal number you want to convert. Number may not contain
 | |
|      *                                more than 10 octal characters (30 bits). The most significant
 | |
|      *                                bit of number is the sign bit. The remaining 29 bits are
 | |
|      *                                magnitude bits. Negative numbers are represented using
 | |
|      *                                two's-complement notation.
 | |
|      *                                If number is not a valid octal number, OCT2DEC returns the
 | |
|      *                                #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function OCTTODEC($x)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (preg_match_all('/[01234567]/', $x, $out) != strlen($x)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
|         return octdec($x);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * OCTTOHEX
 | |
|      *
 | |
|      * Return an octal value as hex.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        OCT2HEX(x[,places])
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $x            The octal number you want to convert. Number may not contain
 | |
|      *                                    more than 10 octal characters (30 bits). The most significant
 | |
|      *                                    bit of number is the sign bit. The remaining 29 bits are
 | |
|      *                                    magnitude bits. Negative numbers are represented using
 | |
|      *                                    two's-complement notation.
 | |
|      *                                    If number is negative, OCT2HEX ignores places and returns a
 | |
|      *                                    10-character hexadecimal number.
 | |
|      *                                    If number is not a valid octal number, OCT2HEX returns the
 | |
|      *                                    #NUM! error value.
 | |
|      *                                    If OCT2HEX requires more than places characters, it returns
 | |
|      *                                    the #NUM! error value.
 | |
|      * @param    integer        $places        The number of characters to use. If places is omitted, OCT2HEX
 | |
|      *                                    uses the minimum number of characters necessary. Places is useful
 | |
|      *                                    for padding the return value with leading 0s (zeros).
 | |
|      *                                    If places is not an integer, it is truncated.
 | |
|      *                                    If places is nonnumeric, OCT2HEX returns the #VALUE! error value.
 | |
|      *                                    If places is negative, OCT2HEX returns the #NUM! error value.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function OCTTOHEX($x, $places = null)
 | |
|     {
 | |
|         $x    = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
|         $places    = PHPExcel_Calculation_Functions::flattenSingleValue($places);
 | |
| 
 | |
|         if (is_bool($x)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
|         $x = (string) $x;
 | |
|         if (preg_match_all('/[01234567]/', $x, $out) != strlen($x)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
|         $hexVal = strtoupper(dechex(octdec($x)));
 | |
| 
 | |
|         return self::nbrConversionFormat($hexVal, $places);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * COMPLEX
 | |
|      *
 | |
|      * Converts real and imaginary coefficients into a complex number of the form x + yi or x + yj.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        COMPLEX(realNumber,imaginary[,places])
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    float        $realNumber        The real coefficient of the complex number.
 | |
|      * @param    float        $imaginary        The imaginary coefficient of the complex number.
 | |
|      * @param    string        $suffix            The suffix for the imaginary component of the complex number.
 | |
|      *                                        If omitted, the suffix is assumed to be "i".
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function COMPLEX($realNumber = 0.0, $imaginary = 0.0, $suffix = 'i')
 | |
|     {
 | |
|         $realNumber = (is_null($realNumber)) ? 0.0 : PHPExcel_Calculation_Functions::flattenSingleValue($realNumber);
 | |
|         $imaginary  = (is_null($imaginary))  ? 0.0 : PHPExcel_Calculation_Functions::flattenSingleValue($imaginary);
 | |
|         $suffix     = (is_null($suffix))     ? 'i' : PHPExcel_Calculation_Functions::flattenSingleValue($suffix);
 | |
| 
 | |
|         if (((is_numeric($realNumber)) && (is_numeric($imaginary))) &&
 | |
|             (($suffix == 'i') || ($suffix == 'j') || ($suffix == ''))) {
 | |
|             $realNumber    = (float) $realNumber;
 | |
|             $imaginary    = (float) $imaginary;
 | |
| 
 | |
|             if ($suffix == '') {
 | |
|                 $suffix = 'i';
 | |
|             }
 | |
|             if ($realNumber == 0.0) {
 | |
|                 if ($imaginary == 0.0) {
 | |
|                     return (string) '0';
 | |
|                 } elseif ($imaginary == 1.0) {
 | |
|                     return (string) $suffix;
 | |
|                 } elseif ($imaginary == -1.0) {
 | |
|                     return (string) '-'.$suffix;
 | |
|                 }
 | |
|                 return (string) $imaginary.$suffix;
 | |
|             } elseif ($imaginary == 0.0) {
 | |
|                 return (string) $realNumber;
 | |
|             } elseif ($imaginary == 1.0) {
 | |
|                 return (string) $realNumber.'+'.$suffix;
 | |
|             } elseif ($imaginary == -1.0) {
 | |
|                 return (string) $realNumber.'-'.$suffix;
 | |
|             }
 | |
|             if ($imaginary > 0) {
 | |
|                 $imaginary = (string) '+'.$imaginary;
 | |
|             }
 | |
|             return (string) $realNumber.$imaginary.$suffix;
 | |
|         }
 | |
| 
 | |
|         return PHPExcel_Calculation_Functions::VALUE();
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMAGINARY
 | |
|      *
 | |
|      * Returns the imaginary coefficient of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMAGINARY(complexNumber)
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $complexNumber    The complex number for which you want the imaginary
 | |
|      *                                         coefficient.
 | |
|      * @return    float
 | |
|      */
 | |
|     public static function IMAGINARY($complexNumber)
 | |
|     {
 | |
|         $complexNumber    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
|         return $parsedComplex['imaginary'];
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMREAL
 | |
|      *
 | |
|      * Returns the real coefficient of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMREAL(complexNumber)
 | |
|      *
 | |
|      * @access    public
 | |
|      * @category Engineering Functions
 | |
|      * @param    string        $complexNumber    The complex number for which you want the real coefficient.
 | |
|      * @return    float
 | |
|      */
 | |
|     public static function IMREAL($complexNumber)
 | |
|     {
 | |
|         $complexNumber    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
|         return $parsedComplex['real'];
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMABS
 | |
|      *
 | |
|      * Returns the absolute value (modulus) of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMABS(complexNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number for which you want the absolute value.
 | |
|      * @return    float
 | |
|      */
 | |
|     public static function IMABS($complexNumber)
 | |
|     {
 | |
|         $complexNumber = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         return sqrt(
 | |
|             ($parsedComplex['real'] * $parsedComplex['real']) +
 | |
|             ($parsedComplex['imaginary'] * $parsedComplex['imaginary'])
 | |
|         );
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMARGUMENT
 | |
|      *
 | |
|      * Returns the argument theta of a complex number, i.e. the angle in radians from the real
 | |
|      * axis to the representation of the number in polar coordinates.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMARGUMENT(complexNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number for which you want the argument theta.
 | |
|      * @return    float
 | |
|      */
 | |
|     public static function IMARGUMENT($complexNumber)
 | |
|     {
 | |
|         $complexNumber    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         if ($parsedComplex['real'] == 0.0) {
 | |
|             if ($parsedComplex['imaginary'] == 0.0) {
 | |
|                 return 0.0;
 | |
|             } elseif ($parsedComplex['imaginary'] < 0.0) {
 | |
|                 return M_PI / -2;
 | |
|             } else {
 | |
|                 return M_PI / 2;
 | |
|             }
 | |
|         } elseif ($parsedComplex['real'] > 0.0) {
 | |
|             return atan($parsedComplex['imaginary'] / $parsedComplex['real']);
 | |
|         } elseif ($parsedComplex['imaginary'] < 0.0) {
 | |
|             return 0 - (M_PI - atan(abs($parsedComplex['imaginary']) / abs($parsedComplex['real'])));
 | |
|         } else {
 | |
|             return M_PI - atan($parsedComplex['imaginary'] / abs($parsedComplex['real']));
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMCONJUGATE
 | |
|      *
 | |
|      * Returns the complex conjugate of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMCONJUGATE(complexNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number for which you want the conjugate.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMCONJUGATE($complexNumber)
 | |
|     {
 | |
|         $complexNumber    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         if ($parsedComplex['imaginary'] == 0.0) {
 | |
|             return $parsedComplex['real'];
 | |
|         } else {
 | |
|             return self::cleanComplex(
 | |
|                 self::COMPLEX(
 | |
|                     $parsedComplex['real'],
 | |
|                     0 - $parsedComplex['imaginary'],
 | |
|                     $parsedComplex['suffix']
 | |
|                 )
 | |
|             );
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMCOS
 | |
|      *
 | |
|      * Returns the cosine of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMCOS(complexNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number for which you want the cosine.
 | |
|      * @return    string|float
 | |
|      */
 | |
|     public static function IMCOS($complexNumber)
 | |
|     {
 | |
|         $complexNumber    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         if ($parsedComplex['imaginary'] == 0.0) {
 | |
|             return cos($parsedComplex['real']);
 | |
|         } else {
 | |
|             return self::IMCONJUGATE(
 | |
|                 self::COMPLEX(
 | |
|                     cos($parsedComplex['real']) * cosh($parsedComplex['imaginary']),
 | |
|                     sin($parsedComplex['real']) * sinh($parsedComplex['imaginary']),
 | |
|                     $parsedComplex['suffix']
 | |
|                 )
 | |
|             );
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMSIN
 | |
|      *
 | |
|      * Returns the sine of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMSIN(complexNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number for which you want the sine.
 | |
|      * @return    string|float
 | |
|      */
 | |
|     public static function IMSIN($complexNumber)
 | |
|     {
 | |
|         $complexNumber    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         if ($parsedComplex['imaginary'] == 0.0) {
 | |
|             return sin($parsedComplex['real']);
 | |
|         } else {
 | |
|             return self::COMPLEX(
 | |
|                 sin($parsedComplex['real']) * cosh($parsedComplex['imaginary']),
 | |
|                 cos($parsedComplex['real']) * sinh($parsedComplex['imaginary']),
 | |
|                 $parsedComplex['suffix']
 | |
|             );
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMSQRT
 | |
|      *
 | |
|      * Returns the square root of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMSQRT(complexNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number for which you want the square root.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMSQRT($complexNumber)
 | |
|     {
 | |
|         $complexNumber    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         $theta = self::IMARGUMENT($complexNumber);
 | |
|         $d1 = cos($theta / 2);
 | |
|         $d2 = sin($theta / 2);
 | |
|         $r = sqrt(sqrt(($parsedComplex['real'] * $parsedComplex['real']) + ($parsedComplex['imaginary'] * $parsedComplex['imaginary'])));
 | |
| 
 | |
|         if ($parsedComplex['suffix'] == '') {
 | |
|             return self::COMPLEX($d1 * $r, $d2 * $r);
 | |
|         } else {
 | |
|             return self::COMPLEX($d1 * $r, $d2 * $r, $parsedComplex['suffix']);
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMLN
 | |
|      *
 | |
|      * Returns the natural logarithm of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMLN(complexNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number for which you want the natural logarithm.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMLN($complexNumber)
 | |
|     {
 | |
|         $complexNumber    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         if (($parsedComplex['real'] == 0.0) && ($parsedComplex['imaginary'] == 0.0)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
| 
 | |
|         $logR = log(sqrt(($parsedComplex['real'] * $parsedComplex['real']) + ($parsedComplex['imaginary'] * $parsedComplex['imaginary'])));
 | |
|         $t = self::IMARGUMENT($complexNumber);
 | |
| 
 | |
|         if ($parsedComplex['suffix'] == '') {
 | |
|             return self::COMPLEX($logR, $t);
 | |
|         } else {
 | |
|             return self::COMPLEX($logR, $t, $parsedComplex['suffix']);
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMLOG10
 | |
|      *
 | |
|      * Returns the common logarithm (base 10) of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMLOG10(complexNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number for which you want the common logarithm.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMLOG10($complexNumber)
 | |
|     {
 | |
|         $complexNumber = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         if (($parsedComplex['real'] == 0.0) && ($parsedComplex['imaginary'] == 0.0)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         } elseif (($parsedComplex['real'] > 0.0) && ($parsedComplex['imaginary'] == 0.0)) {
 | |
|             return log10($parsedComplex['real']);
 | |
|         }
 | |
| 
 | |
|         return self::IMPRODUCT(log10(EULER), self::IMLN($complexNumber));
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMLOG2
 | |
|      *
 | |
|      * Returns the base-2 logarithm of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMLOG2(complexNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number for which you want the base-2 logarithm.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMLOG2($complexNumber)
 | |
|     {
 | |
|         $complexNumber    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         if (($parsedComplex['real'] == 0.0) && ($parsedComplex['imaginary'] == 0.0)) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         } elseif (($parsedComplex['real'] > 0.0) && ($parsedComplex['imaginary'] == 0.0)) {
 | |
|             return log($parsedComplex['real'], 2);
 | |
|         }
 | |
| 
 | |
|         return self::IMPRODUCT(log(EULER, 2), self::IMLN($complexNumber));
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMEXP
 | |
|      *
 | |
|      * Returns the exponential of a complex number in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMEXP(complexNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number for which you want the exponential.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMEXP($complexNumber)
 | |
|     {
 | |
|         $complexNumber = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         if (($parsedComplex['real'] == 0.0) && ($parsedComplex['imaginary'] == 0.0)) {
 | |
|             return '1';
 | |
|         }
 | |
| 
 | |
|         $e = exp($parsedComplex['real']);
 | |
|         $eX = $e * cos($parsedComplex['imaginary']);
 | |
|         $eY = $e * sin($parsedComplex['imaginary']);
 | |
| 
 | |
|         if ($parsedComplex['suffix'] == '') {
 | |
|             return self::COMPLEX($eX, $eY);
 | |
|         } else {
 | |
|             return self::COMPLEX($eX, $eY, $parsedComplex['suffix']);
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMPOWER
 | |
|      *
 | |
|      * Returns a complex number in x + yi or x + yj text format raised to a power.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMPOWER(complexNumber,realNumber)
 | |
|      *
 | |
|      * @param    string        $complexNumber    The complex number you want to raise to a power.
 | |
|      * @param    float        $realNumber        The power to which you want to raise the complex number.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMPOWER($complexNumber, $realNumber)
 | |
|     {
 | |
|         $complexNumber = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber);
 | |
|         $realNumber    = PHPExcel_Calculation_Functions::flattenSingleValue($realNumber);
 | |
| 
 | |
|         if (!is_numeric($realNumber)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
| 
 | |
|         $parsedComplex = self::parseComplex($complexNumber);
 | |
| 
 | |
|         $r = sqrt(($parsedComplex['real'] * $parsedComplex['real']) + ($parsedComplex['imaginary'] * $parsedComplex['imaginary']));
 | |
|         $rPower = pow($r, $realNumber);
 | |
|         $theta = self::IMARGUMENT($complexNumber) * $realNumber;
 | |
|         if ($theta == 0) {
 | |
|             return 1;
 | |
|         } elseif ($parsedComplex['imaginary'] == 0.0) {
 | |
|             return self::COMPLEX($rPower * cos($theta), $rPower * sin($theta), $parsedComplex['suffix']);
 | |
|         } else {
 | |
|             return self::COMPLEX($rPower * cos($theta), $rPower * sin($theta), $parsedComplex['suffix']);
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMDIV
 | |
|      *
 | |
|      * Returns the quotient of two complex numbers in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMDIV(complexDividend,complexDivisor)
 | |
|      *
 | |
|      * @param    string        $complexDividend    The complex numerator or dividend.
 | |
|      * @param    string        $complexDivisor        The complex denominator or divisor.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMDIV($complexDividend, $complexDivisor)
 | |
|     {
 | |
|         $complexDividend    = PHPExcel_Calculation_Functions::flattenSingleValue($complexDividend);
 | |
|         $complexDivisor    = PHPExcel_Calculation_Functions::flattenSingleValue($complexDivisor);
 | |
| 
 | |
|         $parsedComplexDividend = self::parseComplex($complexDividend);
 | |
|         $parsedComplexDivisor = self::parseComplex($complexDivisor);
 | |
| 
 | |
|         if (($parsedComplexDividend['suffix'] != '') && ($parsedComplexDivisor['suffix'] != '') &&
 | |
|             ($parsedComplexDividend['suffix'] != $parsedComplexDivisor['suffix'])) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         }
 | |
|         if (($parsedComplexDividend['suffix'] != '') && ($parsedComplexDivisor['suffix'] == '')) {
 | |
|             $parsedComplexDivisor['suffix'] = $parsedComplexDividend['suffix'];
 | |
|         }
 | |
| 
 | |
|         $d1 = ($parsedComplexDividend['real'] * $parsedComplexDivisor['real']) + ($parsedComplexDividend['imaginary'] * $parsedComplexDivisor['imaginary']);
 | |
|         $d2 = ($parsedComplexDividend['imaginary'] * $parsedComplexDivisor['real']) - ($parsedComplexDividend['real'] * $parsedComplexDivisor['imaginary']);
 | |
|         $d3 = ($parsedComplexDivisor['real'] * $parsedComplexDivisor['real']) + ($parsedComplexDivisor['imaginary'] * $parsedComplexDivisor['imaginary']);
 | |
| 
 | |
|         $r = $d1 / $d3;
 | |
|         $i = $d2 / $d3;
 | |
| 
 | |
|         if ($i > 0.0) {
 | |
|             return self::cleanComplex($r.'+'.$i.$parsedComplexDivisor['suffix']);
 | |
|         } elseif ($i < 0.0) {
 | |
|             return self::cleanComplex($r.$i.$parsedComplexDivisor['suffix']);
 | |
|         } else {
 | |
|             return $r;
 | |
|         }
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMSUB
 | |
|      *
 | |
|      * Returns the difference of two complex numbers in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMSUB(complexNumber1,complexNumber2)
 | |
|      *
 | |
|      * @param    string        $complexNumber1        The complex number from which to subtract complexNumber2.
 | |
|      * @param    string        $complexNumber2        The complex number to subtract from complexNumber1.
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMSUB($complexNumber1, $complexNumber2)
 | |
|     {
 | |
|         $complexNumber1    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber1);
 | |
|         $complexNumber2    = PHPExcel_Calculation_Functions::flattenSingleValue($complexNumber2);
 | |
| 
 | |
|         $parsedComplex1 = self::parseComplex($complexNumber1);
 | |
|         $parsedComplex2 = self::parseComplex($complexNumber2);
 | |
| 
 | |
|         if ((($parsedComplex1['suffix'] != '') && ($parsedComplex2['suffix'] != '')) &&
 | |
|             ($parsedComplex1['suffix'] != $parsedComplex2['suffix'])) {
 | |
|             return PHPExcel_Calculation_Functions::NaN();
 | |
|         } elseif (($parsedComplex1['suffix'] == '') && ($parsedComplex2['suffix'] != '')) {
 | |
|             $parsedComplex1['suffix'] = $parsedComplex2['suffix'];
 | |
|         }
 | |
| 
 | |
|         $d1 = $parsedComplex1['real'] - $parsedComplex2['real'];
 | |
|         $d2 = $parsedComplex1['imaginary'] - $parsedComplex2['imaginary'];
 | |
| 
 | |
|         return self::COMPLEX($d1, $d2, $parsedComplex1['suffix']);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMSUM
 | |
|      *
 | |
|      * Returns the sum of two or more complex numbers in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMSUM(complexNumber[,complexNumber[,...]])
 | |
|      *
 | |
|      * @param    string        $complexNumber,...    Series of complex numbers to add
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMSUM()
 | |
|     {
 | |
|         // Return value
 | |
|         $returnValue = self::parseComplex('0');
 | |
|         $activeSuffix = '';
 | |
| 
 | |
|         // Loop through the arguments
 | |
|         $aArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args());
 | |
|         foreach ($aArgs as $arg) {
 | |
|             $parsedComplex = self::parseComplex($arg);
 | |
| 
 | |
|             if ($activeSuffix == '') {
 | |
|                 $activeSuffix = $parsedComplex['suffix'];
 | |
|             } elseif (($parsedComplex['suffix'] != '') && ($activeSuffix != $parsedComplex['suffix'])) {
 | |
|                 return PHPExcel_Calculation_Functions::VALUE();
 | |
|             }
 | |
| 
 | |
|             $returnValue['real'] += $parsedComplex['real'];
 | |
|             $returnValue['imaginary'] += $parsedComplex['imaginary'];
 | |
|         }
 | |
| 
 | |
|         if ($returnValue['imaginary'] == 0.0) {
 | |
|             $activeSuffix = '';
 | |
|         }
 | |
|         return self::COMPLEX($returnValue['real'], $returnValue['imaginary'], $activeSuffix);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * IMPRODUCT
 | |
|      *
 | |
|      * Returns the product of two or more complex numbers in x + yi or x + yj text format.
 | |
|      *
 | |
|      * Excel Function:
 | |
|      *        IMPRODUCT(complexNumber[,complexNumber[,...]])
 | |
|      *
 | |
|      * @param    string        $complexNumber,...    Series of complex numbers to multiply
 | |
|      * @return    string
 | |
|      */
 | |
|     public static function IMPRODUCT()
 | |
|     {
 | |
|         // Return value
 | |
|         $returnValue = self::parseComplex('1');
 | |
|         $activeSuffix = '';
 | |
| 
 | |
|         // Loop through the arguments
 | |
|         $aArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args());
 | |
|         foreach ($aArgs as $arg) {
 | |
|             $parsedComplex = self::parseComplex($arg);
 | |
| 
 | |
|             $workValue = $returnValue;
 | |
|             if (($parsedComplex['suffix'] != '') && ($activeSuffix == '')) {
 | |
|                 $activeSuffix = $parsedComplex['suffix'];
 | |
|             } elseif (($parsedComplex['suffix'] != '') && ($activeSuffix != $parsedComplex['suffix'])) {
 | |
|                 return PHPExcel_Calculation_Functions::NaN();
 | |
|             }
 | |
|             $returnValue['real'] = ($workValue['real'] * $parsedComplex['real']) - ($workValue['imaginary'] * $parsedComplex['imaginary']);
 | |
|             $returnValue['imaginary'] = ($workValue['real'] * $parsedComplex['imaginary']) + ($workValue['imaginary'] * $parsedComplex['real']);
 | |
|         }
 | |
| 
 | |
|         if ($returnValue['imaginary'] == 0.0) {
 | |
|             $activeSuffix = '';
 | |
|         }
 | |
|         return self::COMPLEX($returnValue['real'], $returnValue['imaginary'], $activeSuffix);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    DELTA
 | |
|      *
 | |
|      *    Tests whether two values are equal. Returns 1 if number1 = number2; returns 0 otherwise.
 | |
|      *    Use this function to filter a set of values. For example, by summing several DELTA
 | |
|      *    functions you calculate the count of equal pairs. This function is also known as the
 | |
|      *    Kronecker Delta function.
 | |
|      *
 | |
|      *    Excel Function:
 | |
|      *        DELTA(a[,b])
 | |
|      *
 | |
|      *    @param    float        $a    The first number.
 | |
|      *    @param    float        $b    The second number. If omitted, b is assumed to be zero.
 | |
|      *    @return    int
 | |
|      */
 | |
|     public static function DELTA($a, $b = 0)
 | |
|     {
 | |
|         $a = PHPExcel_Calculation_Functions::flattenSingleValue($a);
 | |
|         $b = PHPExcel_Calculation_Functions::flattenSingleValue($b);
 | |
| 
 | |
|         return (int) ($a == $b);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    GESTEP
 | |
|      *
 | |
|      *    Excel Function:
 | |
|      *        GESTEP(number[,step])
 | |
|      *
 | |
|      *    Returns 1 if number >= step; returns 0 (zero) otherwise
 | |
|      *    Use this function to filter a set of values. For example, by summing several GESTEP
 | |
|      *    functions you calculate the count of values that exceed a threshold.
 | |
|      *
 | |
|      *    @param    float        $number        The value to test against step.
 | |
|      *    @param    float        $step        The threshold value.
 | |
|      *                                    If you omit a value for step, GESTEP uses zero.
 | |
|      *    @return    int
 | |
|      */
 | |
|     public static function GESTEP($number, $step = 0)
 | |
|     {
 | |
|         $number    = PHPExcel_Calculation_Functions::flattenSingleValue($number);
 | |
|         $step    = PHPExcel_Calculation_Functions::flattenSingleValue($step);
 | |
| 
 | |
|         return (int) ($number >= $step);
 | |
|     }
 | |
| 
 | |
| 
 | |
|     //
 | |
|     //    Private method to calculate the erf value
 | |
|     //
 | |
|     private static $twoSqrtPi = 1.128379167095512574;
 | |
| 
 | |
|     public static function erfVal($x)
 | |
|     {
 | |
|         if (abs($x) > 2.2) {
 | |
|             return 1 - self::erfcVal($x);
 | |
|         }
 | |
|         $sum = $term = $x;
 | |
|         $xsqr = ($x * $x);
 | |
|         $j = 1;
 | |
|         do {
 | |
|             $term *= $xsqr / $j;
 | |
|             $sum -= $term / (2 * $j + 1);
 | |
|             ++$j;
 | |
|             $term *= $xsqr / $j;
 | |
|             $sum += $term / (2 * $j + 1);
 | |
|             ++$j;
 | |
|             if ($sum == 0.0) {
 | |
|                 break;
 | |
|             }
 | |
|         } while (abs($term / $sum) > PRECISION);
 | |
|         return self::$twoSqrtPi * $sum;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    ERF
 | |
|      *
 | |
|      *    Returns the error function integrated between the lower and upper bound arguments.
 | |
|      *
 | |
|      *    Note: In Excel 2007 or earlier, if you input a negative value for the upper or lower bound arguments,
 | |
|      *            the function would return a #NUM! error. However, in Excel 2010, the function algorithm was
 | |
|      *            improved, so that it can now calculate the function for both positive and negative ranges.
 | |
|      *            PHPExcel follows Excel 2010 behaviour, and accepts nagative arguments.
 | |
|      *
 | |
|      *    Excel Function:
 | |
|      *        ERF(lower[,upper])
 | |
|      *
 | |
|      *    @param    float        $lower    lower bound for integrating ERF
 | |
|      *    @param    float        $upper    upper bound for integrating ERF.
 | |
|      *                                If omitted, ERF integrates between zero and lower_limit
 | |
|      *    @return    float
 | |
|      */
 | |
|     public static function ERF($lower, $upper = null)
 | |
|     {
 | |
|         $lower    = PHPExcel_Calculation_Functions::flattenSingleValue($lower);
 | |
|         $upper    = PHPExcel_Calculation_Functions::flattenSingleValue($upper);
 | |
| 
 | |
|         if (is_numeric($lower)) {
 | |
|             if (is_null($upper)) {
 | |
|                 return self::erfVal($lower);
 | |
|             }
 | |
|             if (is_numeric($upper)) {
 | |
|                 return self::erfVal($upper) - self::erfVal($lower);
 | |
|             }
 | |
|         }
 | |
|         return PHPExcel_Calculation_Functions::VALUE();
 | |
|     }
 | |
| 
 | |
| 
 | |
|     //
 | |
|     //    Private method to calculate the erfc value
 | |
|     //
 | |
|     private static $oneSqrtPi = 0.564189583547756287;
 | |
| 
 | |
|     private static function erfcVal($x)
 | |
|     {
 | |
|         if (abs($x) < 2.2) {
 | |
|             return 1 - self::erfVal($x);
 | |
|         }
 | |
|         if ($x < 0) {
 | |
|             return 2 - self::ERFC(-$x);
 | |
|         }
 | |
|         $a = $n = 1;
 | |
|         $b = $c = $x;
 | |
|         $d = ($x * $x) + 0.5;
 | |
|         $q1 = $q2 = $b / $d;
 | |
|         $t = 0;
 | |
|         do {
 | |
|             $t = $a * $n + $b * $x;
 | |
|             $a = $b;
 | |
|             $b = $t;
 | |
|             $t = $c * $n + $d * $x;
 | |
|             $c = $d;
 | |
|             $d = $t;
 | |
|             $n += 0.5;
 | |
|             $q1 = $q2;
 | |
|             $q2 = $b / $d;
 | |
|         } while ((abs($q1 - $q2) / $q2) > PRECISION);
 | |
|         return self::$oneSqrtPi * exp(-$x * $x) * $q2;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    ERFC
 | |
|      *
 | |
|      *    Returns the complementary ERF function integrated between x and infinity
 | |
|      *
 | |
|      *    Note: In Excel 2007 or earlier, if you input a negative value for the lower bound argument,
 | |
|      *        the function would return a #NUM! error. However, in Excel 2010, the function algorithm was
 | |
|      *        improved, so that it can now calculate the function for both positive and negative x values.
 | |
|      *            PHPExcel follows Excel 2010 behaviour, and accepts nagative arguments.
 | |
|      *
 | |
|      *    Excel Function:
 | |
|      *        ERFC(x)
 | |
|      *
 | |
|      *    @param    float    $x    The lower bound for integrating ERFC
 | |
|      *    @return    float
 | |
|      */
 | |
|     public static function ERFC($x)
 | |
|     {
 | |
|         $x = PHPExcel_Calculation_Functions::flattenSingleValue($x);
 | |
| 
 | |
|         if (is_numeric($x)) {
 | |
|             return self::erfcVal($x);
 | |
|         }
 | |
|         return PHPExcel_Calculation_Functions::VALUE();
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    getConversionGroups
 | |
|      *    Returns a list of the different conversion groups for UOM conversions
 | |
|      *
 | |
|      *    @return    array
 | |
|      */
 | |
|     public static function getConversionGroups()
 | |
|     {
 | |
|         $conversionGroups = array();
 | |
|         foreach (self::$conversionUnits as $conversionUnit) {
 | |
|             $conversionGroups[] = $conversionUnit['Group'];
 | |
|         }
 | |
|         return array_merge(array_unique($conversionGroups));
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    getConversionGroupUnits
 | |
|      *    Returns an array of units of measure, for a specified conversion group, or for all groups
 | |
|      *
 | |
|      *    @param    string    $group    The group whose units of measure you want to retrieve
 | |
|      *    @return    array
 | |
|      */
 | |
|     public static function getConversionGroupUnits($group = null)
 | |
|     {
 | |
|         $conversionGroups = array();
 | |
|         foreach (self::$conversionUnits as $conversionUnit => $conversionGroup) {
 | |
|             if ((is_null($group)) || ($conversionGroup['Group'] == $group)) {
 | |
|                 $conversionGroups[$conversionGroup['Group']][] = $conversionUnit;
 | |
|             }
 | |
|         }
 | |
|         return $conversionGroups;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    getConversionGroupUnitDetails
 | |
|      *
 | |
|      *    @param    string    $group    The group whose units of measure you want to retrieve
 | |
|      *    @return    array
 | |
|      */
 | |
|     public static function getConversionGroupUnitDetails($group = null)
 | |
|     {
 | |
|         $conversionGroups = array();
 | |
|         foreach (self::$conversionUnits as $conversionUnit => $conversionGroup) {
 | |
|             if ((is_null($group)) || ($conversionGroup['Group'] == $group)) {
 | |
|                 $conversionGroups[$conversionGroup['Group']][] = array(
 | |
|                     'unit'        => $conversionUnit,
 | |
|                     'description' => $conversionGroup['Unit Name']
 | |
|                 );
 | |
|             }
 | |
|         }
 | |
|         return $conversionGroups;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    getConversionMultipliers
 | |
|      *    Returns an array of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM()
 | |
|      *
 | |
|      *    @return    array of mixed
 | |
|      */
 | |
|     public static function getConversionMultipliers()
 | |
|     {
 | |
|         return self::$conversionMultipliers;
 | |
|     }
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      *    CONVERTUOM
 | |
|      *
 | |
|      *    Converts a number from one measurement system to another.
 | |
|      *    For example, CONVERT can translate a table of distances in miles to a table of distances
 | |
|      *    in kilometers.
 | |
|      *
 | |
|      *    Excel Function:
 | |
|      *        CONVERT(value,fromUOM,toUOM)
 | |
|      *
 | |
|      *    @param    float        $value        The value in fromUOM to convert.
 | |
|      *    @param    string        $fromUOM    The units for value.
 | |
|      *    @param    string        $toUOM        The units for the result.
 | |
|      *
 | |
|      *    @return    float
 | |
|      */
 | |
|     public static function CONVERTUOM($value, $fromUOM, $toUOM)
 | |
|     {
 | |
|         $value   = PHPExcel_Calculation_Functions::flattenSingleValue($value);
 | |
|         $fromUOM = PHPExcel_Calculation_Functions::flattenSingleValue($fromUOM);
 | |
|         $toUOM   = PHPExcel_Calculation_Functions::flattenSingleValue($toUOM);
 | |
| 
 | |
|         if (!is_numeric($value)) {
 | |
|             return PHPExcel_Calculation_Functions::VALUE();
 | |
|         }
 | |
|         $fromMultiplier = 1.0;
 | |
|         if (isset(self::$conversionUnits[$fromUOM])) {
 | |
|             $unitGroup1 = self::$conversionUnits[$fromUOM]['Group'];
 | |
|         } else {
 | |
|             $fromMultiplier = substr($fromUOM, 0, 1);
 | |
|             $fromUOM = substr($fromUOM, 1);
 | |
|             if (isset(self::$conversionMultipliers[$fromMultiplier])) {
 | |
|                 $fromMultiplier = self::$conversionMultipliers[$fromMultiplier]['multiplier'];
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::NA();
 | |
|             }
 | |
|             if ((isset(self::$conversionUnits[$fromUOM])) && (self::$conversionUnits[$fromUOM]['AllowPrefix'])) {
 | |
|                 $unitGroup1 = self::$conversionUnits[$fromUOM]['Group'];
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::NA();
 | |
|             }
 | |
|         }
 | |
|         $value *= $fromMultiplier;
 | |
| 
 | |
|         $toMultiplier = 1.0;
 | |
|         if (isset(self::$conversionUnits[$toUOM])) {
 | |
|             $unitGroup2 = self::$conversionUnits[$toUOM]['Group'];
 | |
|         } else {
 | |
|             $toMultiplier = substr($toUOM, 0, 1);
 | |
|             $toUOM = substr($toUOM, 1);
 | |
|             if (isset(self::$conversionMultipliers[$toMultiplier])) {
 | |
|                 $toMultiplier = self::$conversionMultipliers[$toMultiplier]['multiplier'];
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::NA();
 | |
|             }
 | |
|             if ((isset(self::$conversionUnits[$toUOM])) && (self::$conversionUnits[$toUOM]['AllowPrefix'])) {
 | |
|                 $unitGroup2 = self::$conversionUnits[$toUOM]['Group'];
 | |
|             } else {
 | |
|                 return PHPExcel_Calculation_Functions::NA();
 | |
|             }
 | |
|         }
 | |
|         if ($unitGroup1 != $unitGroup2) {
 | |
|             return PHPExcel_Calculation_Functions::NA();
 | |
|         }
 | |
| 
 | |
|         if (($fromUOM == $toUOM) && ($fromMultiplier == $toMultiplier)) {
 | |
|             //    We've already factored $fromMultiplier into the value, so we need
 | |
|             //        to reverse it again
 | |
|             return $value / $fromMultiplier;
 | |
|         } elseif ($unitGroup1 == 'Temperature') {
 | |
|             if (($fromUOM == 'F') || ($fromUOM == 'fah')) {
 | |
|                 if (($toUOM == 'F') || ($toUOM == 'fah')) {
 | |
|                     return $value;
 | |
|                 } else {
 | |
|                     $value = (($value - 32) / 1.8);
 | |
|                     if (($toUOM == 'K') || ($toUOM == 'kel')) {
 | |
|                         $value += 273.15;
 | |
|                     }
 | |
|                     return $value;
 | |
|                 }
 | |
|             } elseif ((($fromUOM == 'K') || ($fromUOM == 'kel')) &&
 | |
|                       (($toUOM == 'K') || ($toUOM == 'kel'))) {
 | |
|                         return $value;
 | |
|             } elseif ((($fromUOM == 'C') || ($fromUOM == 'cel')) &&
 | |
|                       (($toUOM == 'C') || ($toUOM == 'cel'))) {
 | |
|                     return $value;
 | |
|             }
 | |
|             if (($toUOM == 'F') || ($toUOM == 'fah')) {
 | |
|                 if (($fromUOM == 'K') || ($fromUOM == 'kel')) {
 | |
|                     $value -= 273.15;
 | |
|                 }
 | |
|                 return ($value * 1.8) + 32;
 | |
|             }
 | |
|             if (($toUOM == 'C') || ($toUOM == 'cel')) {
 | |
|                 return $value - 273.15;
 | |
|             }
 | |
|             return $value + 273.15;
 | |
|         }
 | |
|         return ($value * self::$unitConversions[$unitGroup1][$fromUOM][$toUOM]) / $toMultiplier;
 | |
|     }
 | |
| }
 | 
