#43447 [NEW]: comparison in a for-loop is not exact
| From: | jumo at gmx dot de | Date: | Thu, 29 Nov 2007 12:08:02 +0000 |
| Subject: | #43447 [NEW]: comparison in a for-loop is not exact | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-120207@lists.php.net to get a copy of this message | ||
From: jumo at gmx dot de
Operating system: Ubuntu Linux
PHP version: 5.2.5
PHP Bug Type: *General Issues
Bug description: comparison in a for-loop is not exact
Description:
------------
the comparison in a special for-loop is not correct.
Reproduce code:
---------------
<?php
for($i = 400.84; $i < 400.88; $i = $i + 0.01) {
echo $i;
echo "<br>";
}
?>
Expected result:
----------------
400.84<br>
400.85<br>
400.86<br>
400.87<br>
Actual result:
--------------
400.84<br>
400.85<br>
400.86<br>
400.87<br>
400.88<br>
--
Edit bug report at http://bugs.php.net/?id=43447&edit=1
--
Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=43447&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=43447&r=trysnapshot52
Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=43447&r=trysnapshot53
Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=43447&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=43447&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=43447&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=43447&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=43447&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=43447&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=43447&r=support
Expected behavior: http://bugs.php.net/fix.php?id=43447&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=43447&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=43447&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=43447&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=43447&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=43447&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=43447&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=43447&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=43447&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=43447&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=43447&r=mysqlcfg