#41106 [Opn]: Simple Expression But Doing Wrong Calculation
| From: | neel dot basu dot z at gmail dot net | Date: | Mon, 16 Apr 2007 18:05:29 +0000 |
| Subject: | #41106 [Opn]: Simple Expression But Doing Wrong Calculation | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-111558@lists.php.net to get a copy of this message | ||
ID: 41106
User updated by: neel dot basu dot z at gmail dot net
Reported By: neel dot basu dot z at gmail dot net
Status: Open
Bug Type: Math related
Operating System: Windows
-PHP Version: 5.2.1
+PHP Version: 5.1.6
New Comment:
I am Using php 5.1.6
Previous Comments:
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[2007-04-16 18:03:16] neel dot basu dot z at gmail dot net
Description:
------------
Simple Expression but wrong output.
Reproduce code:
---------------
<?php
$res1 = (1.2-0.1)-1.1;// = 1.1-1.1 -> Evaluates to Zero
$res2 = (2.2-0.1)-2.1;// = 2.1-2.1 -> Also Evaluates to Zero
echo $res1."\t".gettype($res1);
echo "\n";
echo $res2."\t".gettype($res2);
?>
Expected result:
----------------
0 double
0 double
Actual result:
--------------
-2.22044604925E-016 double
0 double
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Edit this bug report at http://bugs.php.net/?id=41106&edit=1