note 97672 deleted from ref.math by mazzanet
| From: | mazzanet@php.net | Date: | Sun, 02 May 2010 17:02:10 +0000 |
| Subject: | note 97672 deleted from ref.math by mazzanet | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-168858@lists.php.net to get a copy of this message | ||
Note Submitter: Lucio
----
@michal at roszka dot pl
Your sgn function will not work correctly for numbers between -1 and 0 or between 0 and 1:
<?php
echo sgn(0.5); // will yield 0.5
echo sgn(-0.5); // will yield -0.5
?>