Date: Sat, 29 Nov 2003 15:50:21 -0800 (PST) From: Stefan Farfeleder <stefan@fafoe.narf.at> To: freebsd-standards@FreeBSD.org Subject: Re: standards/59797: Implement C99's round[f]() math fucntions Message-ID: <200311292350.hATNoLLa044621@freefall.freebsd.org>
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The following reply was made to PR standards/59797; it has been noted by GNATS.
From: Stefan Farfeleder <stefan@fafoe.narf.at>
To: "Steven G. Kargl" <kargl@troutmask.apl.washington.edu>
Cc: bug-followup@FreeBSD.org
Subject: Re: standards/59797: Implement C99's round[f]() math fucntions
Date: Sun, 30 Nov 2003 00:40:04 +0100
On Sat, Nov 29, 2003 at 10:06:27AM -0800, Steven G. Kargl wrote:
> >Synopsis: Implement C99's round[f]() math fucntions
Nice!
> +double round(double x) {
> + double t;
> + if (x >= 0.0) {
> + t = ceil(x);
> + if (t - x > 0.5) t -= 1.0;
> + return t;
> + } else {
> + t = ceil(-x);
> + if (t + x > 0.5) t -= 1.0;
> + return -t;
> + }
> +}
One suggestion: Could you make that
+double
+round(double x)
+{
to match style(9) and (most of) msun/src/*.c?
Cheers,
Stefan
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