From owner-freebsd-standards  Sat Feb  8 16:40:30 2003
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Date: Sun, 9 Feb 2003 01:40:17 +0100 (CET)
From: Lukas Ertl <l.ertl@univie.ac.at>
To: David Schultz <dschultz@uclink.Berkeley.EDU>
Cc: standards@FreeBSD.ORG
Subject: Re: C99 floating point macros
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On Sat, 8 Feb 2003, David Schultz wrote:

> Hmm...why not just use some macros, like this?
>
> #define=09isgreater(x, y)=09=09(!isunordered((x), (y)) && (x) > (y))
> #define=09isgreaterequal(x, y)=09(!isunordered((x), (y)) && (x) >=3D (y))
> #define=09isless(x, y)=09=09(!isunordered((x), (y)) && (x) < (y))
> #define=09islessequal(x, y)=09(!isunordered((x), (y)) && (x) <=3D (y))
> #define=09islessgreater(x, y)=09(!isunordered((x), (y)) && \
> =09=09=09=09=09((x) > (y) || (y) > (x)))
> #define=09isunordered(x, y)=09(isnan(x) || isnan(y))

Ok, this is a whole lot simpler :-)

regards,
le

--=20
Lukas Ertl                             eMail: l.ertl@univie.ac.at
UNIX-Systemadministrator               Tel.:  (+43 1) 4277-14073
Zentraler Informatikdienst (ZID)       Fax.:  (+43 1) 4277-9140
der Universit=E4t Wien                   http://mailbox.univie.ac.at/~le/

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