#50398 [NEW]: convert float to int causes an error
From: blanca at netvision dot net dot il
Operating system: windows xp
PHP version: 5.3.1
PHP Bug Type: Unknown/Other Function
Bug description: convert float to int causes an error
Description:
------------
when converting 12.999999999999999 from float to int,
the output is 12
but, when converting 12.9999999999999999 from float to int,
the output is 13
Reproduce code:
---------------
$a=12.9999999999999999;
$b=(int)$a;
$a=12.999999999999999;
$c=(int)$a;
$str="\$b is: ".$b." and \$c is: ".$c;
echo $str;
Expected result:
----------------
$b is: 12 and $c is: 12
Actual result:
--------------
$b is: 13 and $c is: 12
--
Edit bug report at http://bugs.php.net/?id=50398&edit=1
--
Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=50398&r=trysnapshot52
Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=50398&r=trysnapshot53
Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=50398&r=trysnapshot60
Fixed in SVN: http://bugs.php.net/fix.php?id=50398&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=50398&r=needdocs
Fixed in release: http://bugs.php.net/fix.php?id=50398&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=50398&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=50398&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=50398&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=50398&r=support
Expected behavior: http://bugs.php.net/fix.php?id=50398&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=50398&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=50398&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=50398&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=50398&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=50398&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=50398&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=50398&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=50398&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=50398&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=50398&r=mysqlcfg
Thread (2 messages)
- blanca at netvision dot net dot il