FAQ
Hi,

I'm wondering where the Zend/zend_float.h include file is used. I'm
interested in because I'm checking the behaviour variation between PHP4
and PHP5 (*), and floating point management seems to be fixed for all
platforms in an early version of PHP5 (revision r270301).

By the way, this alteration change something for Intel 32 bit or
nothong ? It belongs the IEEE 754 ?

Thanks !

(*) I'm not guilty.
--
Mickaël Wolff aka Lupus Michaelis
http://lupusmic.org

Seeking for a position <http://lupusmic.org/pro/>

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  • Kalle Sommer Nielsen at Jul 28, 2009 at 4:49 pm
    Hi

    2009/7/28 Lupus Michaelis <mickael+php@lupusmic.org>:
    Hi,

    I'm wondering where the Zend/zend_float.h include file is used. I'm
    interested in because I'm checking the behaviour variation between PHP4 and
    PHP5 (*), and floating point management seems to be fixed for all platforms
    in an early version of PHP5 (revision r270301).

    By the way, this alteration change something for Intel 32 bit or nothong ?
    It belongs the IEEE 754 ?
    The floating point behaviour was changed in PHP 5.3, as in this RFC by
    Christian Seiler (cc'ed):
    http://wiki.php.net/rfc/rounding

    You can find where the zend_float.h file is included by a simple grep:
    C:\php\src\> grep -ri "zend_float" *
    Zend/zend_execute_API.c:#include "zend_float.h"
    Zend/zend_float.c:#include "zend_float.h"
    Zend/zend_float.h:/* $Id: zend_float.h 277398 2009-03-18 10:18:10Z dmitry $ */
    Zend/zend_float.h:#ifndef ZEND_FLOAT_H
    Zend/zend_float.h:#define ZEND_FLOAT_H

    --
    regrads,

    Kalle Sommer Nielsen
    kalle@php.net

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