note 74929 added to function.pow

From: Date: Fri, 04 May 2007 17:33:00 +0000
Subject: note 74929 added to function.pow
Groups: php.notes 
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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. ---- Server IP: 83.137.20.120 Probable Submitter: 62.216.10.14 ---- Manual Page -- http://www.php.net/manual/en/function.pow.php Edit -- https://master.php.net/note/edit/74929 Del: integrated -- https://master.php.net/note/delete/74929/integrated Del: useless -- https://master.php.net/note/delete/74929/useless Del: bad code -- https://master.php.net/note/delete/74929/bad+code Del: spam -- https://master.php.net/note/delete/74929/spam Del: non-english -- https://master.php.net/note/delete/74929/non-english Del: in docs -- https://master.php.net/note/delete/74929/in+docs Del: other reasons-- https://master.php.net/note/delete/74929 Reject -- https://master.php.net/note/reject/74929 Search -- https://master.php.net/manage/user-notes.php

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