Bug #53343 [NEW]: iteration bug with variable assignation
| From: | kanea at free dot fr | Date: | Thu, 18 Nov 2010 10:44:10 +0000 |
| Subject: | Bug #53343 [NEW]: iteration bug with variable assignation | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-156150@lists.php.net to get a copy of this message | ||
From:
Operating system: w7
PHP version: 5.3.3
Package: *General Issues
Bug Type: Bug
Bug description:iteration bug with variable assignation
Description:
------------
iterations give aproximation beetween two val, but . Every time there value
are
the same :
4.38 .. 10
Test script:
---------------
for ($A = 0.8; $A < 5 * 3.1416; $A+=0.01) {
echo $A."<br />";
}
Expected result:
----------------
0.08
0.09
...
15.68
15.69
15.7
Actual result:
--------------
0.8
0.81
...
4.36
4.37
4.38
4.3899999999999
4.3999999999999
...
9.9899999999998
9.9999999999998
10.01
10.02
...
--
Edit bug report at http://bugs.php.net/bug.php?id=53343&edit=1
--
Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=53343&r=trysnapshot52
Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=53343&r=trysnapshot53
Try a snapshot (trunk): http://bugs.php.net/fix.php?id=53343&r=trysnapshottrunk
Fixed in SVN: http://bugs.php.net/fix.php?id=53343&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=53343&r=needdocs
Fixed in release: http://bugs.php.net/fix.php?id=53343&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=53343&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=53343&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=53343&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=53343&r=support
Expected behavior: http://bugs.php.net/fix.php?id=53343&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=53343&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=53343&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=53343&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=53343&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=53343&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=53343&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=53343&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=53343&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=53343&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=53343&r=mysqlcfg