Re: Types, arrays, generality, and notation (was: Fortran90 and Arrays)

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Article #217

#217

From: Raul Deluth Miller-Rockwell
Date: Wed, 15 Apr 1992 05:23

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Jim Giles:
   ||> [... reduction on empty array ...]
   ||> Nono, you missed the point. Some operations (like "+") make
   ||> SENSE for empty arrays, and there you supply the appropriate
   ||> value (0). Others (like "min") only make sense on an empty
   ||> array in an extended domain (for present purposes: don't make
   ||> sense) and so you REQUIRE at least one element, ...

I've been hoping some one else would bring this up, but:  what kind of
implementation is this, where you've got a numeric type but no maximum
element of that type?  I wasn't aware that could happen with a finite
set of numbers -- at least, not for the case where those numbers are
members of the set of real numbers.

-- 
Raul Deluth Miller-Rockwell                   <rockwell@socrates.umd.edu>

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Newsgroups: comp.lang.misc
Path: arc1-ca.pugleaf.net!sparky!uunet!haven.umd.edu!socrates!socrates!rockwell
From: rockwell@socrates.umd.edu (Raul Deluth Miller-Rockwell)
Subject: Re: Types, arrays, generality, and notation (was: Fortran90 and Arrays)
In-Reply-To: stephen@estragon.uchicago.edu's message of Tue, 14 Apr 1992 22:19:12 GMT
Message-ID: <ROCKWELL.92Apr15002308@socrates.umd.edu>
Sender: rockwell@socrates.umd.edu (Raul Deluth Miller-Rockwell)
Organization: Traveller
References: <ROCKWELL.92Mar21001252@socrates.umd.edu>
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 <1992Apr13.194947.17250@newshost.lanl.gov>
 <STEPHEN.92Apr14171919@estragon.uchicago.edu>
Date: Wed, 15 Apr 1992 05:23:08 GMT
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