INF behavior
| From: | Philip Olson | Date: | Fri, 27 May 2011 03:03:01 +0000 |
| Subject: | INF behavior | ||
| Groups: | php.internals | ||
| Request: | Send a blank email to internals+get-52513@lists.php.net to get a copy of this message | ||
Hello geeks,
A geek is needed to clarify PHP bug #45712. This is an edge case but the test (bug45712.phpt)
contains code similar to the following:
<?php
$inf = pow(0, -2);
var_dump($inf); // float(INF)
var_dump($inf == $inf); // bool(false)
var_dump($inf === $inf); // bool(true)
?>
That's how it's behaved since ~forever (AFAICT) and remains in 5.3.7-dev, but PHP
5.4.0-dev changes behavior so both now return true.
Is this is how we want it? And how should this be documented/explained?
Regards,
Philip