note 89880 added to language.types.float
| From: | mriviera at videostrip dot com | Date: | Thu, 26 Mar 2009 21:21:12 +0000 |
| Subject: | note 89880 added to language.types.float | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-152499@lists.php.net to get a copy of this message | ||
Converting IEEE754 64 bit binary to PHP float:
<?php
$v = hexdec('402E1CAC083126E9');
$x = (($v & ((1 << 52) - 1)) + ( 1 << 52)) * ($v >> 63 | 1);
$exp = ($v >> 52 & 0x7FF) - 1075;
$float = $x * pow(2, $exp);
?>
----
Server IP: 83.137.20.135
Probable Submitter: 212.182.166.12
----
Manual Page -- http://www.php.net/manual/en/language.types.float.php
Edit -- https://master.php.net/note/edit/89880
Del: integrated -- https://master.php.net/note/delete/89880/integrated
Del: useless -- https://master.php.net/note/delete/89880/useless
Del: bad code -- https://master.php.net/note/delete/89880/bad+code
Del: spam -- https://master.php.net/note/delete/89880/spam
Del: non-english -- https://master.php.net/note/delete/89880/non-english
Del: in docs -- https://master.php.net/note/delete/89880/in+docs
Del: other reasons-- https://master.php.net/note/delete/89880
Reject -- https://master.php.net/note/reject/89880
Search -- https://master.php.net/manage/user-notes.php