HP3000-L Archives

April 2002, Week 3

HP3000-L@RAVEN.UTC.EDU

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From:
David T Darnell <[log in to unmask]>
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Date:
Mon, 15 Apr 2002 10:48:29 -0600
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This reminds me of a couple of caveats from my days at DRC:

1) IEEE reals are the default in NM 3GLs that support them, unless you use
a compiler directive to override.

2) Image intrinsics neither enforce nor convert datatypes, so your program
could store and retrieve HP-Real to an IEEE real and nobody the wiser
unless you access it from a program or utility that looks at the
Image-defined data type.

-dtd




"Wayne R. Boyer" <[log in to unmask]>@RAVEN.UTC.EDU> on 04/15/2002 09:23:16
AM

Please respond to [log in to unmask]

Sent by:    HP-3000 Systems Discussion <[log in to unmask]>


To:    [log in to unmask]
cc:
Subject:    Re: [HP3000-L] From Pascal/V to PASCAL/XL


In a message dated 4/15/02 3:18:32 AM Pacific Daylight Time,
[log in to unmask] writes:


> You will want
> to over time, convert the Image DB reals over to native IEEE reals
instead
> of the compatability HP reals.

This statement has a lot of potential importance that isn't obvious.  Using
an international standard method of storing real type numeric data is of
course, superior to using an old, phased out proprietary format.  Does
anyone
know yet if HP Eloquence supports the old classic / compatibility real data
type?  If it doesn't, then this could be a BIG issue for any organization
thinking of migrating their applicationt to Eloquence.

Wayne Boyer
Cal-Logic

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