note 76546 added to function.gmp-testbit
| From: | bluej100 at gmail | Date: | Thu, 19 Jul 2007 21:48:38 +0000 |
| Subject: | note 76546 added to function.gmp-testbit | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-128748@lists.php.net to get a copy of this message | ||
gmp_testbit will be very useful for my (over 64-bit) bitmask checking.
In the meantime, I think these are the best replacements.
Mostly full:
<?php
(gmp_scan1($a, $index) == $index)
?>
Mostly empty:
<?php
(gmp_scan0($a, $index) != $index)
?>
Still worst-case O(N), though.
----
Server IP: 208.69.120.35
Probable Submitter: 64.105.153.106
----
Manual Page -- http://www.php.net/manual/en/function.gmp-testbit.php
Edit -- https://master.php.net/note/edit/76546
Del: integrated -- https://master.php.net/note/delete/76546/integrated
Del: useless -- https://master.php.net/note/delete/76546/useless
Del: bad code -- https://master.php.net/note/delete/76546/bad+code
Del: spam -- https://master.php.net/note/delete/76546/spam
Del: non-english -- https://master.php.net/note/delete/76546/non-english
Del: in docs -- https://master.php.net/note/delete/76546/in+docs
Del: other reasons-- https://master.php.net/note/delete/76546
Reject -- https://master.php.net/note/reject/76546
Search -- https://master.php.net/manage/user-notes.php