From: Warren <ve3wwg@gmail.com>
Subject: Re: Float conversion
Date: Thu, 29 Jul 2010 15:37:55 +0000 (UTC)
Date: 2010-07-29T15:37:55+00:00 [thread overview]
Message-ID: <Xns9DC4764804C5DWarrensBlatherings@85.214.73.210> (raw)
In-Reply-To: 1q5zc0ais535h$.1jqwfxhj9cflc$.dlg@40tude.net
Dmitry A. Kazakov expounded in news:1q5zc0ais535h$.1jqwfxhj9cflc$.dlg@
40tude.net:
> On Thu, 29 Jul 2010 05:23:42 -0700 (PDT), Henrique wrote:
>
>> I have some problems in converting float variables in Ada. Look at the
>> code below.
>>
>> Why var4 is not equal var1?
>
> Because they are not. Floating-point operations are inexact.
I.e. "... inexact for _all_ numbers".
Some fractions do express themselves exactly in binary
(like 0.5).
That is why it may "seem" to work some of the time ;-)
Warren
next prev parent reply other threads:[~2010-07-29 15:37 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-29 12:23 Float conversion Henrique
2010-07-29 12:44 ` Jacob Sparre Andersen
2010-07-29 12:46 ` Dmitry A. Kazakov
2010-07-29 15:08 ` Georg Bauhaus
2010-07-29 15:10 ` Georg Bauhaus
2010-07-29 15:35 ` Dmitry A. Kazakov
2010-07-29 18:21 ` Henrique
2010-07-29 19:08 ` Jeffrey R. Carter
2010-07-29 19:15 ` Dmitry A. Kazakov
2010-07-30 1:30 ` Phil Clayton
2010-07-30 8:43 ` Dmitry A. Kazakov
2010-07-30 13:14 ` Phil Clayton
2010-07-30 14:34 ` Dmitry A. Kazakov
2010-07-31 15:12 ` Stephen Leake
2010-08-03 1:07 ` Phil Clayton
2010-08-03 3:31 ` Shark8
2010-08-03 10:38 ` Georg Bauhaus
2010-08-04 7:27 ` Stephen Leake
2010-08-04 16:15 ` Georg Bauhaus
2010-08-04 16:32 ` Phil Clayton
2010-08-04 7:26 ` Stephen Leake
2010-08-04 12:52 ` Robert A Duff
2010-08-04 14:32 ` Dmitry A. Kazakov
2010-08-04 19:36 ` Simon Wright
2010-08-04 19:46 ` Dmitry A. Kazakov
2010-08-04 20:29 ` Georg Bauhaus
2010-08-05 12:05 ` Stephen Leake
2010-08-07 5:54 ` Shark8
2010-08-07 8:56 ` Georg Bauhaus
2010-08-07 13:49 ` Shark8
2010-08-05 10:20 ` Phil Clayton
2010-07-30 13:16 ` Henrique
2010-07-29 15:37 ` Warren [this message]
2010-07-29 14:56 ` Georg Bauhaus
2010-07-29 17:56 ` Jeffrey R. Carter
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