From: pcmadnessltd at yahoo dot co dot uk
Operating system: ubuntu 10.04 pae
PHP version: 5.4.19
Package: Unknown/Other Function
Bug Type: Bug
Bug description:position inaccurate a.xyz
Description:
------------
position inaccurate when adding 0.001 to a value
possible solution round($num, 3);
Test script:
---------------
echo '<table>';
$ii =0;
for($i =1; $i<= 10000; $i++)
{
echo '<tr>';
echo '<td>';
echo $ii;
echo '</td>';
echo '</tr>';
$ii = $ii +0.001;
}
echo '</table>';
Expected result:
----------------
1.459
1.46
1.461
1.462
1.463
1.464
1.465
1.466
...
2.369
2.370
2.371
2.372
2.373
2.374
2.375
...
3.278
3.279
3.280
3.281
Actual result:
--------------
1.459
1.46
1.4609999999999
1.4619999999999
1.4629999999999
1.4639999999999
1.4649999999999
1.4659999999999
...
2.3689999999999
2.3699999999999
2.3709999999998
2.3719999999998
2.3729999999998
2.3739999999998
2.3749999999998
...
3.2769999999998
3.2779999999998
3.2789999999997
3.2799999999997
and so on
--
Edit bug report at https://bugs.php.net/bug.php?id=65676&edit=1
--
Try a snapshot (PHP 5.4):
https://bugs.php.net/fix.php?id=65676&r=trysnapshot54
Try a snapshot (PHP 5.3):
https://bugs.php.net/fix.php?id=65676&r=trysnapshot53
Try a snapshot (trunk):
https://bugs.php.net/fix.php?id=65676&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=65676&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=65676&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=65676&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=65676&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=65676&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=65676&r=support
Expected behavior: https://bugs.php.net/fix.php?id=65676&r=notwrong
Not enough info:
https://bugs.php.net/fix.php?id=65676&r=notenoughinfo
Submitted twice:
https://bugs.php.net/fix.php?id=65676&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=65676&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=65676&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=65676&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=65676&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=65676&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=65676&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=65676&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=65676&r=mysqlcfg
