From: Stephen Leake <stephen_leake@stephe-leake.org>
Subject: Re: Q: Portable Ada floating-point binary I/O ?
Date: Mon, 28 Aug 2006 07:55:12 -0400
Date: 2006-08-28T07:55:12-04:00 [thread overview]
Message-ID: <ud5alyt0f.fsf@stephe-leake.org> (raw)
In-Reply-To: 44f201b0$1_6@news.bluewin.ch
Gautier <gautier@fakeaddress.nil> writes:
> > However, the problem is - what does "portable" mean here? Range and
> > precision cannot be portable, unless types aren't communicated as well.
>
> In my case, it should not be a problem; I have a deterministic file
> format with some items expected as GL.Double, others as GL.Float. I
> just want to ensure that the same file will be correctly read by a PC,
> a Mac or a Playstation.
Those are all IEEE hardware, so all you need is byte-endianness
conversions. See SAL http://stephe-leake.org/ada/sal.html for that, in
particular sal-endianness_gnat_x86.ads, sal-network_order.ads, and
sal-math_float-network_order.ads.
--
-- Stephe
next prev parent reply other threads:[~2006-08-28 11:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-26 19:02 Q: Portable Ada floating-point binary I/O ? Gautier
2006-08-26 20:42 ` Dmitry A. Kazakov
2006-08-27 20:34 ` Gautier
2006-08-28 11:55 ` Stephen Leake [this message]
2006-09-04 22:18 ` Gautier
2006-08-29 2:03 ` Steve
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