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From: ucaa2385@alpha1.csv.ica.uni-stuttgart.de (Peter Hermann)
Subject: Re: Higher precision and generics
Date: 17 Mar 1995 12:37:17 GMT
Date: 1995-03-17T12:37:17+00:00	[thread overview]
Message-ID: <3kbvpt$ltk@info4.rus.uni-stuttgart.de> (raw)
In-Reply-To: 3kbhv0$jcl@maple.enet.net

the clever way of an unknown author  (sorry)

: >|>      type Max_Precision_type is digits System.Max_digits;

is quite attractive, but consider
1. "with system;" makes the program non-portable
2. max_digits could turn out to become an exotic overly expensive niche precision

my personal preference is to declare a portable type with 14 digits
which maps to an acceptable hw-mantissa.
on some machines this is (even) single precision.

--
Peter Hermann  Tel:+49-711-685-3611 Fax:3758 ph@csv.ica.uni-stuttgart.de
Pfaffenwaldring 27, 70569 Stuttgart Uni Computeranwendungen
Team Ada: "C'mon people let the world begin" (Paul McCartney)



  reply	other threads:[~1995-03-17 12:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1995-03-11 17:41 Higher precision and generics Duncan Sands
1995-03-14 16:13 ` David Arno
1995-03-15 12:12   ` Duncan Sands
1995-03-17  8:36     ` Dan Kurfis
1995-03-17 12:37       ` Peter Hermann [this message]
1995-03-19  1:23         ` Robert Dewar
1995-03-20 16:33           ` Peter Hermann
1995-03-21 21:14             ` Robert Dewar
1995-03-18  1:45       ` Keith Thompson
1995-03-20  9:05       ` dkurfis
1995-03-15 15:36 ` Mats Weber
1995-03-15 16:35   ` Peter Hermann
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