#37206 [NEW]: hexdec can not handle "NAN" and "INF" problem
| From: | sqchen at cititz dot net | Date: | Wed, 26 Apr 2006 05:29:30 +0000 |
| Subject: | #37206 [NEW]: hexdec can not handle "NAN" and "INF" problem | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-96238@lists.php.net to get a copy of this message | ||
From: sqchen at cititz dot net
Operating system: redhat 7.3
PHP version: 5.1.2
PHP Bug Type: *Math Functions
Bug description: hexdec can not handle "NAN" and "INF" problem
Description:
------------
please see file "ext/standard/math.c" and function "PHPAPI int
_php_math_basetozval(zval *arg, int base, zval *ret)", It's obvious that
it does not consider the "NAN" and "INF" problem
Reproduce code:
---------------
<?php
hexdec(INF);
hexdec(NAN);
?>
Expected result:
----------------
to be decided
to be decided
Actual result:
--------------
15 (actually It just convert "f" to decimal)
10 (covert "A" to decimal)
--
Edit bug report at http://bugs.php.net/?id=37206&edit=1
--
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=37206&r=trysnapshot44
Try a CVS snapshot (PHP 5.1): http://bugs.php.net/fix.php?id=37206&r=trysnapshot51
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=37206&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=37206&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=37206&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=37206&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=37206&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=37206&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=37206&r=support
Expected behavior: http://bugs.php.net/fix.php?id=37206&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=37206&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=37206&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=37206&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=37206&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=37206&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=37206&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=37206&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=37206&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=37206&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=37206&r=mysqlcfg