note 65924 deleted from function.pow by hholzgra
| From: | hholzgra@php.net | Date: | Thu, 02 Aug 2012 15:30:23 +0000 |
| Subject: | note 65924 deleted from function.pow by hholzgra | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-189866@lists.php.net to get a copy of this message | ||
Note Submitter: moikboy (nospam) moikboy (nospam) hu
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Here is a function for calculating the $k-th root of $a :
<?php
function root($a,$k){return(($a<0&&$k%2>0)?-1:1)*pow(abs($a),1/$k);};
?>