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From: Martin Krischik <martin@krischik.com>
Newsgroups: comp.lang.ada
Subject: Re: JGNAT
Date: Thu, 16 Dec 2004 10:06:26 +0100
Organization: None
Message-ID: <31529813.8HuRGRVPfP@linux1.krischik.com>
References: <20041212185059.18E224C40B5@lovelace.ada-france.org>
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Date: 2004-12-16T10:06:26+01:00
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Andrew Carroll wrote:

> Well, I am trying to recommend Ada for a project I am subcontracting for.
> The requirements are that it be crossplatform (Unix and Windows).  It
> requires a GUI and the non-gui code needs to be fast (not Java).  So, I'm
> not real sure what to use.  I guess I'm now thinking about de-coupling the
> GUI altogether and making the backend "talk" to the frontend in the
> client/server model.  That way I could develop the GUI with any number of
> "technologies" and the backend could be strictly Ada.

Ada has it's own clients server implementations (The Annex E) and there are
also some CORBA implementations available. For GNAT there is a free
implementation which can do both:

http://en.wikibooks.org/wiki/Programming:Ada:Libraries:Distributed:PolyORB

> How does A# hold up performance wise? 

With Annex E and/or CORBA you might be able to live without .NET as well.

> A# recommended for scientific
> computing? 

I don't know if A# has an as flexible implementation for fixed and floating
point as Ada got it:

http://en.wikibooks.org/wiki/Programming:Ada:Types:digit
http://en.wikibooks.org/wiki/Programming:Ada:Types:delta

I might have to map them to the next best .NET type.

With Regards

Martin

PS: I know the wiki links are all stubs - feel free to write more on the
subjects at hand!
-- 
mailto://krischik@users.sourceforge.net
http://www.ada.krischik.com