note 55948 added to function.gmp-init
| From: | thomas dot hebinck at digionline dot de | Date: | Thu, 18 Aug 2005 17:23:06 +0000 |
| Subject: | note 55948 added to function.gmp-init | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-93845@lists.php.net to get a copy of this message | ||
If you call a gmp_* function directly with an interger as parameter, this integer MUST NOT be 0:
for($i=-1;$i<=1;$i++) { echo gmp_strval(gmp_add(2,gmp_mul(1,$i))) . ' '; }
The result is 1 0 3 (wrong)
In this case you have to use gmp_init():
for($i=-1;$i<=1;$i++) { echo gmp_strval(gmp_add(2,gmp_mul(1,gmp_init($i)))) . ' '; }
The result is 1 2 3 (right)
Happy number crunching! :-)
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