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