Bug #63821 [Opn->Csd]: incorrect pi value

From: Date: Thu, 20 Dec 2012 22:08:31 +0000
Subject: Bug #63821 [Opn->Csd]: incorrect pi value
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-175505@lists.php.net to get a copy of this message 
Edit report at https://bugs.php.net/bug.php?id=63821&edit=1

 ID:                 63821
 Updated by:         bjori@php.net
 Reported by:        sandaq at gmail dot com
 Summary:            incorrect pi value
-Status:             Open
+Status:             Closed
 Type:               Bug
 Package:            Math related
 Operating System:   linux
 PHP Version:        5.3.20
-Assigned To:        
+Assigned To:        bjori
 Block user comment: N
 Private report:     N

 New Comment:

You'll need to complain to whatever distribution you are using.
We don't define the value unless math.h doesn't define it for some wacky reason 
on your platform, in which case we fallback on 3.14159265358979323846.


Previous Comments:
------------------------------------------------------------------------
[2012-12-20 21:43:05] sandaq at gmail dot com

Description:
------------
php doesn't calculate the correct value of pi

Test script:
---------------
php-cli -r 'ini_set('precision','100'); echo pi();'

or

<?
ini_set('precision','100');
echo pi()."\n"; exit;
?>



Expected result:
----------------
3.141592653589793238462643383279502884197169399375


Actual result:
--------------
3.141592653589793115997963468544185161590576171875
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^


------------------------------------------------------------------------



-- 
Edit this bug report at https://bugs.php.net/bug.php?id=63821&edit=1

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