Re: Re: Fix division by zero to throw exception

From: Date: Fri, 03 Apr 2015 19:32:18 +0000
Subject: Re: Re: Fix division by zero to throw exception
References: 1 2 3  Groups: php.internals 
Request: Send a blank email to internals+get-85720@lists.php.net to get a copy of this message
On Fri, Apr 3, 2015 at 1:31 PM, Levi Morrison <levim@php.net> wrote: > On Fri, Apr 3, 2015 at 1:10 PM, Andrea Faulds <ajf@ajf.me> wrote: >> Hi Dmitry, >> >>> On 3 Apr 2015, at 20:04, Dmitry Stogov <dmitry@zend.com> wrote: >>> >>> 2) Very similar weird behavior was introduced for shift with negative offsets. I also >>> propose to change it in the same way (Fatal error at compile-time, Exception in run-time). >>> >>> Any thoughts? objections? >> >> For consistency with IEEE 754, shouldn't we produce INF on a division by zero, at >> least for floats (but probably integers too because of weak typing)? I don't think producing a >> warning is an issue, but FALSE isn't the right value to produce. > > I agree with Andrea. Currently we do floating point division even if > both arguments are integers, and the correct behavior for a floating > point divide by zero is to produce an INF or -INF. Well, correct as defined by IEEE 754 anyway.

« previous php.internals (#85720) next »