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From: Keith Thompson <kst-u@mib.org>
Subject: Re: GNAT parameter passing, C-style?
Date: Tue, 06 Jan 2004 20:54:33 GMT
Date: 2004-01-06T20:54:33+00:00	[thread overview]
Message-ID: <lny8skol12.fsf@nuthaus.mib.org> (raw)
In-Reply-To: YI6dneDnLfA2s2eiRVn-hg@comcast.com

"Robert I. Eachus" <rieachus@comcast.net> writes:
> Keith Thompson wrote:
> 
> > One of the biggest advantages of Ada over C is that it has far fewer
> > instances of undefined behavior.  An advantage of C over Ada is that
> > it uses the straightforward term "undefined behavior" rather than
> > "erroneous execution".
> 
> No, no, you are thinking of Ada 83.  In the brave new world of Ada 95,
> we have "bounded errors" as well. ;-)  I don't think I have ever seen
> any difference in practice, but apparently it makes some users more
> comfortable.

For Ada, there's not much difference *to the user* between a bounded
error and erroneous execution; they're both to be avoided.  It's an
important distinction to implementers, though.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
San Diego Supercomputer Center             <*>  <http://www.sdsc.edu/~kst>
Schroedinger does Shakespeare: "To be *and* not to be"



  reply	other threads:[~2004-01-06 20:54 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-26 10:37 GNAT parameter passing, C-style? Luke A. Guest
2003-12-26 14:20 ` Marin David Condic
2003-12-26 14:51   ` Hyman Rosen
2003-12-26 15:07     ` Marin David Condic
2003-12-26 15:39       ` Luke A. Guest
2003-12-26 17:03         ` Hyman Rosen
2003-12-26 17:08           ` Luke A. Guest
2003-12-26 17:27             ` Luke A. Guest
2003-12-26 18:21               ` Frank J. Lhota
2003-12-26 19:06                 ` Frank J. Lhota
2003-12-31 10:23                 ` Keith Thompson
2003-12-31 14:45                   ` Frank J. Lhota
2003-12-31 15:05                     ` Hyman Rosen
2003-12-31 16:30                       ` Frank J. Lhota
2003-12-31 17:24                         ` Hyman Rosen
2003-12-31 19:05                           ` Frank J. Lhota
2003-12-31 19:38                             ` Hyman Rosen
2003-12-31 20:47                               ` Frank J. Lhota
2003-12-31 21:35                                 ` Hyman Rosen
2004-01-01  2:50                                   ` Frank J. Lhota
2004-01-01  5:20                                     ` Luke A. Guest
2004-01-01 16:06                                       ` Hyman Rosen
2004-01-01 16:32                                         ` Frank J. Lhota
2004-01-01 16:43                                           ` Hyman Rosen
2004-01-02  0:24                                             ` Frank J. Lhota
2004-01-02  4:09                                               ` Hyman Rosen
2004-01-02 13:29                                                 ` Frank J. Lhota
2004-01-01  5:17                                   ` Luke A. Guest
2004-01-01  5:09                                 ` Luke A. Guest
2004-01-02  1:17                                   ` tmoran
2004-01-01 17:18                                 ` Jano
2004-01-02  0:25                                   ` Frank J. Lhota
2004-01-07  6:37                         ` Dave Thompson
2004-01-01  3:38                       ` Marin David Condic
2004-01-01  5:28                         ` Luke A. Guest
2004-01-01 14:17                           ` Marin David Condic
2004-01-01 16:20                             ` Jeff C,
2004-01-02 13:47                               ` Marin David Condic
2004-01-05 21:06                     ` Keith Thompson
2004-01-06  3:42                       ` Robert I. Eachus
2004-01-06 20:54                         ` Keith Thompson [this message]
2004-01-06 23:45                           ` Robert I. Eachus
2004-01-06 13:46                       ` Frank J. Lhota
2003-12-27 14:22             ` Marin David Condic
2003-12-26 17:10         ` Martin Krischik
2003-12-26 19:04           ` Frank J. Lhota
2003-12-26 18:01   ` Georg Bauhaus
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