note 74929 added to function.pow
| From: | Docey at osu1 dot php dot net | Date: | Fri, 04 May 2007 17:33:00 +0000 |
| Subject: | note 74929 added to function.pow | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-126199@lists.php.net to get a copy of this message | ||
no integer breaking here, pow just silently switches to using floats instead of integers.
pow(2, 31) = integer value
pow(2, 32) = float value.
the manual says the limit for floats is machine dependent so i did a little loop to see how far it
will go before becomming infinit. the result is 1023.
pow(2, 1023) = float
pow(2, 1024) = ifinit.
tested on php 4.4.1 under windows2000 on an AMD AthlonXP 2800+. i gues this is thus the same for all
32bit i386 systems.
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