note 99791 added to ref.gmp
| From: | Nitrogen at osu1 dot php dot net | Date: | Tue, 07 Sep 2010 03:56:27 +0000 |
| Subject: | note 99791 added to ref.gmp | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-172349@lists.php.net to get a copy of this message | ||
Also, for those who wish to do bitwise shifting, it's quite simple.. to shift left, just
multiply the number by pow(2,x), and to shift right, divide by pow(2,x).
<?php
function gmp_shiftl($x,$n) { // shift left
return(gmp_mul($x,gmp_pow(2,$n)));
}
function gmp_shiftr($x,$n) { // shift right
return(gmp_div($x,gmp_pow(2,$n)));
}
?>
Nitrogen.
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