From: Anh Vo <anhvofrcaus@gmail.com>
Subject: Re: Instantiating package problems
Date: Mon, 4 Jan 2016 14:39:03 -0800 (PST)
Date: 2016-01-04T14:39:03-08:00 [thread overview]
Message-ID: <ab103d0d-d1b9-437e-aa5f-cfe3f6dd64bf@googlegroups.com> (raw)
In-Reply-To: <n6en12$5jn$2@gioia.aioe.org>
On Monday, January 4, 2016 at 1:10:59 PM UTC-8, Dmitry A. Kazakov wrote:
> On 2016-01-04 21:49, Anh Vo wrote:
> > On Sunday, January 3, 2016 at 4:07:30 PM UTC-8, Andrew Shvets wrote:
> >> Hi Bob,
> >>
> >> Thanks for writing back. This is the entire example:
> >> http://pastebin.com/GEJT3WzL
> >
> > Just recommend to add a precondition to function Division as shown below.
> > By the way, this feature is part of latest Ada (Ada 2012). In addition,
> > you should think about adding precondition to other operations such as
> > Addition where Input1 + Input2 <= Integer'Last and Input1 + Input2 >=
> Integer'Last.
> >
> > function Division(
> > Input1 : in Integer;
> > Input2 : in Integer)
> > return Integer
> > with pre => Input2 /= 0;
>
> The correct precondition of integer division is
>
> Input1/Input2 in Integer'Range
>
> Note that it precludes zero divide, provided Ada 2012 can understand it,
> according to 3.5.4 (8) it must, but I am not a language lawer.
Neither, I am a language lawyer. However, did not see paragraph LRM 3.5.4 (8) precluded zero divide for Integer type.
Anh Vo
next prev parent reply other threads:[~2016-01-04 22:39 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-03 18:40 Instantiating package problems Andrew Shvets
2016-01-03 20:27 ` Georg Bauhaus
2016-01-03 21:21 ` Andrew Shvets
2016-01-03 21:04 ` Jeffrey R. Carter
2016-01-03 21:27 ` Andrew Shvets
2016-01-03 22:39 ` Jeffrey R. Carter
2016-01-03 22:08 ` Bob Duff
2016-01-04 0:07 ` Andrew Shvets
2016-01-04 0:30 ` Andrew Shvets
2016-01-04 13:43 ` G.B.
2016-01-04 14:23 ` Brian Drummond
2016-01-04 20:49 ` Anh Vo
2016-01-04 21:10 ` Dmitry A. Kazakov
2016-01-04 22:39 ` Anh Vo [this message]
2016-01-05 1:42 ` Anh Vo
2016-01-05 7:35 ` Dmitry A. Kazakov
2016-01-06 2:46 ` Andrew Shvets
2016-01-06 8:53 ` Dmitry A. Kazakov
2016-01-06 3:30 ` Andrew Shvets
2016-01-06 4:51 ` Anh Vo
2016-01-06 4:54 ` Anh Vo
2016-01-06 5:00 ` Andrew Shvets
2016-01-06 5:07 ` Anh Vo
2016-01-07 4:41 ` Andrew Shvets
2016-01-07 5:41 ` Anh Vo
2016-01-09 20:14 ` Andrew Shvets
2016-01-10 19:43 ` Andrew Shvets
2016-01-10 21:38 ` Jeffrey R. Carter
2016-01-10 21:50 ` Georg Bauhaus
2016-01-10 21:58 ` Andrew Shvets
2016-01-06 13:07 ` G.B.
2016-01-07 4:42 ` Andrew Shvets
2016-01-06 14:25 ` Bob Duff
2016-01-06 23:48 ` Anh Vo
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