Re: Infinity vs Error for division by zero
От
Andrew Gierth
Тема
Re: Infinity vs Error for division by zero
Дата
Msg-id
87lg1ycwbv.fsf@news-spur.riddles.org.uk
Ответ на
Infinity vs Error for division by zero (Matt Pulver)
Список
Дерево обсуждения
Infinity vs Error for division by zero Matt Pulver <mpulver@unitytechgroup.com>
Re: Infinity vs Error for division by zero Andres Freund <andres@anarazel.de>
Re: Infinity vs Error for division by zero Andrew Gierth <andrew@tao11.riddles.org.uk>
Re: Infinity vs Error for division by zero "David G. Johnston" <david.g.johnston@gmail.com>
Re: Infinity vs Error for division by zero Andres Freund <andres@anarazel.de>
Re: Infinity vs Error for division by zero Chapman Flack <chap@anastigmatix.net>
Re: Infinity vs Error for division by zero "David G. Johnston" <david.g.johnston@gmail.com>
Re: Infinity vs Error for division by zero Chapman Flack <chap@anastigmatix.net>
Re: Infinity vs Error for division by zero Matt Pulver <mpulver@unitytechgroup.com>
Re: Infinity vs Error for division by zero Chapman Flack <chap@anastigmatix.net>
Re: Infinity vs Error for division by zero Tom Lane <tgl@sss.pgh.pa.us>
Re: Infinity vs Error for division by zero Chapman Flack <chap@anastigmatix.net>
Re: Infinity vs Error for division by zero Tom Lane <tgl@sss.pgh.pa.us>
Re: Infinity vs Error for division by zero Matt Pulver <mpulver@unitytechgroup.com>
>>>>> "Matt" == Matt Pulver writes:
Matt> ERROR: division by zero
Matt> Question: If Infinity and NaN are supported, then why throw an
Matt> exception here, instead of returning Infinity?
Spec says so:
4) The dyadic arithmetic operators , ,
, and (+, -, *, and /, respectively) specify
addition, subtraction, multiplication, and division, respectively.
If the value of a divisor is zero, then an exception condition is
raised: data exception -- division by zero.
--
Andrew (irc:RhodiumToad)
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