Bug #54730 [NEW]: comparison float

From: Date: Fri, 13 May 2011 18:01:09 +0000
Subject: Bug #54730 [NEW]: comparison float
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-160716@lists.php.net to get a copy of this message 
From:             
Operating system: Linux
PHP version:      5.3.6
Package:          Math related
Bug Type:         Bug
Bug description:comparison float 

Description:
------------
view result

Test script:
---------------
<?php
	$v=2.06667;
	echo var_dump($v*100000)."\n";
	echo var_dump(round($v*100000,0));
	echo "\nIs equal ? "; 
	echo  ($v*100000==round($v*100000,0)) ? "true" : "false";
 ?>


Expected result:
----------------
float(206667)

float(206667)

Is equal ? true

Actual result:
--------------
float(206667)

float(206667)

Is equal ? false

-- 
Edit bug report at http://bugs.php.net/bug.php?id=54730&edit=1
-- 
Try a snapshot (PHP 5.2):            http://bugs.php.net/fix.php?id=54730&r=trysnapshot52
Try a snapshot (PHP 5.3):            http://bugs.php.net/fix.php?id=54730&r=trysnapshot53
Try a snapshot (trunk):              http://bugs.php.net/fix.php?id=54730&r=trysnapshottrunk
Fixed in SVN:                        http://bugs.php.net/fix.php?id=54730&r=fixed
Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=54730&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=54730&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=54730&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=54730&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=54730&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=54730&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=54730&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=54730&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=54730&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=54730&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=54730&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=54730&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=54730&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=54730&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=54730&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=54730&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=54730&r=mysqlcfg

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