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From: ytomino <aghia05@gmail.com>
Subject: Re: What is the warning about builtin-function on gcc-4.6.0 ?
Date: Sat, 26 Mar 2011 14:36:04 -0700 (PDT)
Date: 2011-03-26T14:36:04-07:00	[thread overview]
Message-ID: <5e721fd6-ee2c-4754-b09a-4a3b9c601bf3@l2g2000prg.googlegroups.com> (raw)
In-Reply-To: 1n6308pk6569t.tyc9cc9l3fcn$.dlg@40tude.net

On Mar 27, 12:14 am, "Dmitry A. Kazakov" <mail...@dmitry-kazakov.de>
wrote:
> Ada floating point types are not necessarily IEEE.

I knew and so used builtin-functions.

> Luckily you can kill the IEEE stuff even if the machine is IEEE:
>
>    subtype No_Mess is Float range Float'Range; -- No surprises any more
>
> When interfacing C, one IMO should always add a range or validity check
> when taking floating-point values from C, to prevent non-numbers leaking
> out. Unfortunately it is a lot of work, so no Ada bindings actually follows
> this rule.

uh, there are functions (from C) that return infinity/NaN
intentionally, too.



  reply	other threads:[~2011-03-26 21:36 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-26  6:32 What is the warning about builtin-function on gcc-4.6.0 ? ytomino
2011-03-26  8:45 ` Florian Weimer
2011-03-26  9:13   ` ytomino
2011-03-26  9:43     ` Florian Weimer
2011-03-26 10:07       ` ytomino
2011-03-26 10:24         ` Florian Weimer
2011-03-26 15:14           ` Dmitry A. Kazakov
2011-03-26 21:36             ` ytomino [this message]
2011-03-27  9:50               ` Dmitry A. Kazakov
2011-03-26 14:50         ` Simon Wright
2011-03-26 15:50           ` Florian Weimer
2011-03-26 16:32             ` Simon Wright
2011-03-26 17:02               ` Florian Weimer
2011-03-26 17:48                 ` Simon Wright
2011-03-26 18:48                   ` Florian Weimer
2011-03-27  2:08                 ` Randy Brukardt
2011-03-27  8:37                   ` Florian Weimer
2011-03-27 16:41                     ` Robert A Duff
2011-03-27 17:21                       ` Florian Weimer
2011-03-27 17:56                         ` Robert A Duff
2011-03-27 16:51                     ` Robert A Duff
2011-03-27 17:05                       ` Florian Weimer
2011-03-27 17:14                         ` Robert A Duff
2011-03-29  2:20                           ` Randy Brukardt
2011-03-29 18:35                             ` Robert A Duff
2011-03-29 23:35                               ` Randy Brukardt
2011-03-30  1:02                               ` Adam Beneschan
2011-03-30 12:57                                 ` Robert A Duff
2011-03-30 14:41                                   ` Adam Beneschan
2011-03-30 18:39                                     ` Robert A Duff
2011-03-30 19:28                                   ` Randy Brukardt
2011-03-26 21:58       ` ytomino
2011-03-26 22:00         ` Florian Weimer
2011-03-26 22:22 ` anon
2011-03-26 22:36   ` ytomino
2011-03-27 12:00     ` anon
2011-03-27 18:50       ` ytomino
2011-03-27 23:35         ` anon
2011-03-27 23:42         ` anon
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