From: "Yannick Duchêne (Hibou57)" <yannick_duchene@yahoo.fr>
Subject: Re: understanding floating point types
Date: Sun, 22 Aug 2010 19:22:44 +0200
Date: 2010-08-22T19:22:44+02:00 [thread overview]
Message-ID: <op.vhunv7xaxmjfy8@garhos> (raw)
In-Reply-To: ghi6wajpwx2t.1u5g5erb7i1i6$.dlg@40tude.net
Le Sun, 22 Aug 2010 15:57:42 +0200, Dmitry A. Kazakov
<mailbox@dmitry-kazakov.de> a écrit:
>> Thanks. The Float'Machine_Mantissa remains constant in your examples
>> with 1 and 2 precision digits. Is the Float'Machine_Mantissa a
>> predefined value that is constant for any precision digit requested?
>
> No, it is the is best fitting machine number available (compiler's
> choice):
Yes, because it would be too much expensive to create a custom float
representation to save a few bits. It would even requires to redefine all
operations (a kind of FPU emulation, like the one Pascal did for old
i386/i486).
next prev parent reply other threads:[~2010-08-22 17:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-22 9:11 understanding floating point types Ada novice
2010-08-22 9:51 ` Dmitry A. Kazakov
2010-08-22 10:37 ` Ada novice
2010-08-22 10:39 ` Ada novice
2010-08-22 13:57 ` Dmitry A. Kazakov
2010-08-22 17:15 ` Ada novice
2010-08-22 18:16 ` Dmitry A. Kazakov
2010-08-22 19:05 ` Ada novice
2010-08-22 19:34 ` Dmitry A. Kazakov
2010-08-23 6:29 ` Ada novice
2010-08-23 6:40 ` J-P. Rosen
2010-08-23 7:13 ` Dmitry A. Kazakov
2010-08-23 7:15 ` Martin
2010-08-23 11:42 ` Ada novice
2010-08-24 12:14 ` Ada novice
2010-08-24 14:05 ` Jacob Sparre Andersen
2010-08-24 14:36 ` Ada novice
2010-08-22 17:22 ` Yannick Duchêne (Hibou57) [this message]
2010-08-22 18:49 ` Ada novice
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