From: tmoran@acm.org
Subject: Re: Floating Decimal Package/Library?
Date: Wed, 17 Jul 2002 01:24:57 GMT
Date: 2002-07-17T01:24:57+00:00 [thread overview]
Message-ID: <JH3Z8.796$Za.56740157@newssvr14.news.prodigy.com> (raw)
In-Reply-To: 3D345DB3.5080609@cogeco.ca
> Finally, I should mention that I am using GNAT. Unless I
> am mistaken, it seemed that the decimal support wasn't
> exactly decimal (I'd have to go back and recheck, but I
> got the impression that it is implemented in binary
> floating point). If it truly is implemented in decimal,
You got the wrong impression. Decimal is implemented as
decimal, not binary.
type Change_In_My_Pocket is delta 0.01 digits 3;
allows values up to $9.99 with one penny precision.
type Gates_Tax_Calculations is delta 1.0 digits 11;
allows values up to $99 billion with rounding to whole dollars.
> Systems that are written to use binary floats for accounting
> purposes, always leave the programmer with
> the joy all of those "off by one penny" errors.
Are you aware of the Information Systems Annex? It's there
to make decimal accounting programming easy.
next prev parent reply other threads:[~2002-07-17 1:24 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-12 17:19 Floating Decimal Package/Library? Warren W. Gay VE3WWG
2002-07-12 22:58 ` Robert Wessel
2002-07-12 23:30 ` Dann Corbit
2002-07-15 13:34 ` Warren W. Gay VE3WWG
2002-07-16 5:04 ` Robert C. Leif
2002-07-16 7:01 ` tmoran
2002-07-16 15:50 ` Robert C. Leif
2002-07-17 1:24 ` tmoran
2002-07-17 2:53 ` Robert C. Leif
2002-07-17 4:41 ` tmoran
2002-07-17 16:30 ` Warren W. Gay VE3WWG
2002-07-17 22:09 ` tmoran
2002-07-29 17:05 ` Warren W. Gay VE3WWG
2002-07-29 17:41 ` tmoran
2002-07-30 8:58 ` Jean-Pierre Rosen
2002-07-30 16:20 ` John H. Lindsay
2002-07-16 16:32 ` Pascal Obry
2002-07-16 17:53 ` Warren W. Gay VE3WWG
2002-07-17 1:24 ` tmoran [this message]
2002-07-17 8:28 ` Vadim Godunko
2002-07-17 13:32 ` Warren W. Gay VE3WWG
2002-07-22 23:33 ` Robert I. Eachus
2002-07-23 13:16 ` Marin David Condic
2002-07-24 15:18 ` Darren New
2002-07-24 15:43 ` Hyman Rosen
2002-07-24 16:17 ` Fraser Wilson
2002-07-17 13:30 ` Warren W. Gay VE3WWG
2002-07-13 21:55 ` Björn Lundin
2002-07-15 13:37 ` Warren W. Gay VE3WWG
2002-07-17 21:56 ` Waldek Hebisch
2002-07-18 14:13 ` Robert C. Leif
2002-07-19 14:41 ` Waldek Hebisch
2002-07-19 17:29 ` Warren W. Gay VE3WWG
2002-07-19 21:50 ` Waldek Hebisch
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