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From: Jerry Petrey <gpetrey@hercii.mar.lmco.com>
Subject: Re: should I be interested in ada?
Date: 1999/02/18
Date: 1999-02-18T00:00:00+00:00	[thread overview]
Message-ID: <36CC11A1.C7A71642@hercii.mar.lmco.com> (raw)
In-Reply-To: 7aganu$qsc$1@plug.news.pipex.net

Nick Roberts wrote:
> 
> robert_dewar@my-dejanews.com wrote in message
> <7afttr$7v3$1@nnrp1.dejanews.com>...
> |In article <7afc1o$3mi$2@plug.news.pipex.net>,
> |  "Nick Roberts" <Nick.Roberts@dial.pipex.com> wrote:
> |> Other than this, there's nothing Fortran can do that Ada
> |> cannot, and quite a few things that Ada can do better. It
> |> may be, in practice, that sometimes Fortran compilers
> |> can/will produce faster object code, but I think this is,
> |> in every case (or almost), only a matter of practice,
> |> rather than a theoretical limit.
> |
> |Yes of course all languages are Turing complete, so of
> |course you can do anything in any language, but Fortran-90
> |has many features not present in Ada. To give just one
> |example, it has a much more sophisticated mechanism for
> |dealing with array aggregates and array aggregate
> |operations.
> 
> Maybe I could have phrased it a little more clearly. I meant there's nothing
> Fortran can do that Ada cannot also do reasonably easily. Certainly, Fortran
> has some convenience notations that are not so convenient in Ada. To take
> Fortran's array facilities as an example, in Fortran one can put:
> 
>    real, dimension (1:10) :: x
>    ...
>    x = 1.0
> 
> setting all the elements of x to 1.0 (a 'broadcast scalar'), whereas in Ada
> to do the same thing, you must code something like:
> 
>    X: array (1..10) of Float;
>    ...
>    for i in X'Range loop X(i) := 1.0; end loop;
> 


I think using an aggregate would be much better than a loop:

X := (1 .. 10 => 1.0);



Jerry
-- 
=====================================================================
=  Jerry Petrey - Consultant Software Engineer  - Member Team Ada   =
=                 Lockheed Martin                 Member Team Forth =
=====================================================================




  reply	other threads:[~1999-02-18  0:00 UTC|newest]

Thread overview: 89+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1999-02-14  0:00 should I be interested in ada? Phillip Helbig
1999-02-15  0:00 ` Marin David Condic
1999-02-23  0:00   ` David Starner
1999-02-15  0:00 ` Gautier
1999-02-16  0:00 ` Ken Thomas
1999-02-17  0:00   ` Nick Roberts
1999-02-18  0:00     ` robert_dewar
1999-02-18  0:00       ` Nick Roberts
1999-02-18  0:00         ` Jerry Petrey [this message]
1999-02-18  0:00           ` fraser
1999-02-19  0:00             ` Matthew Heaney
1999-02-20  0:00               ` fraser
1999-02-18  0:00           ` Nick Roberts
1999-02-18  0:00             ` Dan Nagle
1999-02-18  0:00               ` nabbasi
1999-02-19  0:00               ` Nick Roberts
1999-02-19  0:00                 ` robert_dewar
1999-02-19  0:00                   ` Nick Roberts
1999-02-19  0:00                     ` robert_dewar
1999-02-21  0:00                       ` William Clodius
1999-02-23  0:00                         ` Robert I. Eachus
1999-02-19  0:00                     ` William Clodius
1999-02-20  0:00                       ` Nick Roberts
1999-02-21  0:00                         ` robert_dewar
1999-02-21  0:00                           ` William Clodius
1999-02-22  0:00                           ` Nick Roberts
1999-02-19  0:00                 ` Dan Nagle
1999-02-19  0:00                   ` robert_dewar
1999-02-19  0:00                     ` Dan Nagle
1999-02-19  0:00                     ` Nick Roberts
1999-02-23  0:00                     ` Peter Hermann
1999-02-18  0:00             ` Joel Seidman
1999-02-18  0:00         ` William Clodius
1999-02-18  0:00           ` robert_dewar
1999-02-19  0:00             ` William Clodius
1999-02-19  0:00               ` Nick Roberts
1999-02-20  0:00                 ` robert_dewar
1999-02-22  0:00                   ` Nick Roberts
1999-02-22  0:00                     ` William Clodius
1999-02-23  0:00                     ` robert_dewar
1999-02-23  0:00                       ` Nick Roberts
1999-02-22  0:00                 ` William Clodius
1999-02-23  0:00                   ` Nick Roberts
1999-02-23  0:00                     ` William Clodius
1999-02-25  0:00                       ` Nick Roberts
1999-02-25  0:00                         ` robert_dewar
1999-02-23  0:00               ` Robert I. Eachus
1999-02-24  0:00                 ` William Clodius
1999-02-24  0:00                 ` Nick Roberts
1999-02-26  0:00                   ` Robert A Duff
1999-02-27  0:00                     ` Semantic info pragmas (was: should I be interested in ada?) Nick Roberts
1999-03-01  0:00                       ` Samuel Tardieu
1999-03-01  0:00                         ` Robert A Duff
1999-02-24  0:00               ` should I be interested in ada? William Clodius
1999-02-25  0:00                 ` Nick Roberts
1999-02-25  0:00                   ` robert_dewar
1999-02-26  0:00                     ` Nick Roberts
1999-02-18  0:00           ` nabbasi
1999-02-18  0:00             ` robert_dewar
1999-02-18  0:00         ` robert_dewar
1999-02-19  0:00           ` Nick Roberts
1999-02-19  0:00             ` robert_dewar
1999-02-19  0:00               ` William Clodius
1999-02-19  0:00               ` Nick Roberts
1999-02-20  0:00                 ` robert_dewar
1999-02-22  0:00                   ` Nick Roberts
1999-02-23  0:00                     ` Robert I. Eachus
1999-02-24  0:00                       ` White rabbit (was: should I be interested in ada?) dennison
1999-02-25  0:00                       ` Alice books " JP Thornley
1999-02-25  0:00                         ` Robert I. Eachus
1999-02-22  0:00                   ` should I be interested in ada? dennison
1999-02-20  0:00                 ` robert_dewar
1999-02-20  0:00                   ` Steve Doiel
1999-02-19  0:00               ` Phillip Helbig
1999-02-19  0:00               ` dennison
1999-02-19  0:00                 ` Nick Roberts
1999-02-20  0:00                   ` robert_dewar
1999-02-22  0:00                     ` Nick Roberts
1999-02-19  0:00                 ` William Clodius
1999-02-19  0:00                 ` robert_dewar
1999-02-18  0:00     ` robert_dewar
1999-02-18  0:00       ` Nick Roberts
1999-02-18  0:00         ` William Clodius
1999-02-18  0:00           ` dennison
1999-02-20  0:00 ` Hartmut H. Schaefer
1999-02-20  0:00   ` bill
1999-02-21  0:00     ` dewar
1999-02-21  0:00   ` dewar
1999-02-22  0:00     ` dennison
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