Файловый менеджер - Редактировать - /home/lmsyaran/public_html/libraries/phpspreadsheet/vendor/markbaker/complex/classes/src/functions/ln.php
Назад
<?php /** * * Function code for the complex ln() function * * @copyright Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex) * @license https://opensource.org/licenses/MIT MIT */ namespace Complex; /** * Returns the natural logarithm of a complex number. * * @param Complex|mixed $complex Complex number or a numeric value. * @return Complex The natural logarithm of the complex argument. * @throws Exception If argument isn't a valid real or complex number. * @throws \InvalidArgumentException If the real and the imaginary parts are both zero */ function ln($complex) { $complex = Complex::validateComplexArgument($complex); if (($complex->getReal() == 0.0) && ($complex->getImaginary() == 0.0)) { throw new \InvalidArgumentException(); } return new Complex( \log(rho($complex)), theta($complex), $complex->getSuffix() ); }
| ver. 1.4 |
Github
|
.
| PHP 8.1.33 | Генерация страницы: 0 |
proxy
|
phpinfo
|
Настройка