note 98409 added to function.gmp-testbit
| From: | tbrendstrup at osu1 dot php dot net | Date: | Mon, 14 Jun 2010 04:26:00 +0000 |
| Subject: | note 98409 added to function.gmp-testbit | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-170108@lists.php.net to get a copy of this message | ||
Disregard that last comment, i was foolish enough to think that these functions are somewhat similar
in calling conventions.
This actually does what the other one claimed to do, but it's not very neat :(
<?php
$val1 = gmp_init("0x4");
// get a copy of the value
$val1b = gmp_or($val1,0);
// modify the value in place... wtf?
gmp_clrbit($val1b, 3);
// now get the bloody value
echo gmp_cmp($val1, $val1b);
$val1b = gmp_or($val1,0);
gmp_clrbit($val1b, 2);
echo gmp_cmp($val1, $val1b);
$val1b = gmp_or($val1,0);
gmp_clrbit($val1b, 1);
echo gmp_cmp($val1, $val1b);
$val1b = gmp_or($val1,0);
gmp_clrbit($val1b, 0);
echo gmp_cmp($val1, $val1b);
?>
----
Server IP: 69.147.83.197
Probable Submitter: 93.160.184.10
----
Manual Page -- http://www.php.net/manual/en/function.gmp-testbit.php
Edit -- https://master.php.net/note/edit/98409
Del: integrated -- https://master.php.net/note/delete/98409/integrated
Del: useless -- https://master.php.net/note/delete/98409/useless
Del: bad code -- https://master.php.net/note/delete/98409/bad+code
Del: spam -- https://master.php.net/note/delete/98409/spam
Del: non-english -- https://master.php.net/note/delete/98409/non-english
Del: in docs -- https://master.php.net/note/delete/98409/in+docs
Del: other reasons-- https://master.php.net/note/delete/98409
Reject -- https://master.php.net/note/reject/98409
Search -- https://master.php.net/manage/user-notes.php