From:             tjouanne at hotmail dot com
Operating system: Linux and windows
PHP version:      4.4.4
PHP Bug Type:     *General Issues
Bug description:  Round() function strange issue

Description:
------------
round number with round() function give strange result:
9.815,609.815,4690.815,14609.815,6.735,56.735,1056.735,11056.735
produce
9.82
609.82
4609.81
14609.82
6.74
56.74
1056.73
11056.74

Why it's become 81 or 73 instead of 82 or 74

Reproduce code:
---------------
<?
echo (round("9.815", 2)."<BR>");
echo (round("609.815", 2)."<BR>");
echo (round("4609.815", 2)."<BR>");
echo (round("14609.815", 2)."<BR>");
echo (round("6.735", 2)."<BR>");
echo (round("56.735", 2)."<BR>");
echo (round("1056.735", 2)."<BR>");
echo (round("11056.735", 2)."<BR>");
?>

Expected result:
----------------
9.82
609.82
4609.82
14609.82
6.74
56.74
1056.74
11056.74

Actual result:
--------------
9.82
609.82
4609.81
14609.82
6.74
56.74
1056.73
11056.74

-- 
Edit bug report at http://bugs.php.net/?id=40304&edit=1
-- 
Try a CVS snapshot (PHP 4.4): 
http://bugs.php.net/fix.php?id=40304&r=trysnapshot44
Try a CVS snapshot (PHP 5.2): 
http://bugs.php.net/fix.php?id=40304&r=trysnapshot52
Try a CVS snapshot (PHP 6.0): 
http://bugs.php.net/fix.php?id=40304&r=trysnapshot60
Fixed in CVS:                 http://bugs.php.net/fix.php?id=40304&r=fixedcvs
Fixed in release:             
http://bugs.php.net/fix.php?id=40304&r=alreadyfixed
Need backtrace:               http://bugs.php.net/fix.php?id=40304&r=needtrace
Need Reproduce Script:        http://bugs.php.net/fix.php?id=40304&r=needscript
Try newer version:            http://bugs.php.net/fix.php?id=40304&r=oldversion
Not developer issue:          http://bugs.php.net/fix.php?id=40304&r=support
Expected behavior:            http://bugs.php.net/fix.php?id=40304&r=notwrong
Not enough info:              
http://bugs.php.net/fix.php?id=40304&r=notenoughinfo
Submitted twice:              
http://bugs.php.net/fix.php?id=40304&r=submittedtwice
register_globals:             http://bugs.php.net/fix.php?id=40304&r=globals
PHP 3 support discontinued:   http://bugs.php.net/fix.php?id=40304&r=php3
Daylight Savings:             http://bugs.php.net/fix.php?id=40304&r=dst
IIS Stability:                http://bugs.php.net/fix.php?id=40304&r=isapi
Install GNU Sed:              http://bugs.php.net/fix.php?id=40304&r=gnused
Floating point limitations:   http://bugs.php.net/fix.php?id=40304&r=float
No Zend Extensions:           http://bugs.php.net/fix.php?id=40304&r=nozend
MySQL Configuration Error:    http://bugs.php.net/fix.php?id=40304&r=mysqlcfg

Reply via email to