Message-Id: <200006021200.PAA10793@alpha.netvision.net.il>
Date: Fri, 02 Jun 2000 14:59:33 +0200
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From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
To: buers AT gmx DOT de (Dieter Buerssner)
CC: djgpp AT delorie DOT com
In-reply-to: <8h89js.3vs4im1.0@buerssner-17104.user.cis.dfn.de>
Subject: Re: Rounding doubles to ints
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> From: buers AT gmx DOT de (Dieter Buerssner)
> Newsgroups: comp.os.msdos.djgpp
> Date: 2 Jun 2000 10:27:00 GMT
> 
> Eli Zaretskii wrote:
> 
> >IIRC, the version of `rint' in libm.a rounds correctly in a way that
> >doesn't depend on the rounding mode (and without fiddling it).
> 
> rint() depends on the rounding mode, as it should.

I now realize that my wording was inaccurate and confusing.  Sorry for
that.

What I meant to say is that it doesn't access the FPU registers to
find out the rounding mode, and doesn't change it.

> The source code
> (that is difficult to understand), seems to do the equivalent of
> the three-liner I posted.

It's not easy to write code that knows nothing about the FP hardware
and still works...