note 94704 deleted from ref.math by mazzanet
| From: | mazzanet@php.net | Date: | Sun, 02 May 2010 17:02:04 +0000 |
| Subject: | note 94704 deleted from ref.math by mazzanet | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-168857@lists.php.net to get a copy of this message | ||
Note Submitter: michal at roszka dot pl
----
An if-less signum function:
<?php
function sgn($n)
{
$n = max($n, -1);
$n = min($n, 1);
return $n;
}
?>