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<?php /** * * Function code for the complex conjugate() function * * @copyright Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex) * @license https://opensource.org/licenses/MIT MIT */ namespace Complex; /** * Returns the complex conjugate of a complex number * * @param Complex|mixed $complex Complex number or a numeric value. * @return Complex The conjugate of the complex argument. * @throws Exception If argument isn't a valid real or complex number. */< function conjugate($complex)> function conjugate($complex): Complex{ $complex = Complex::validateComplexArgument($complex); return new Complex( $complex->getReal(), -1 * $complex->getImaginary(), $complex->getSuffix() ); }