From owner-freebsd-bugs  Sun Aug 25 18:20: 8 2002
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Date: Sun, 25 Aug 2002 18:20:03 -0700 (PDT)
Message-Id: <200208260120.g7Q1K3vf017098@freefall.freebsd.org>
To: freebsd-bugs@FreeBSD.org
Cc: 
From: Bruce Evans <bde@zeta.org.au>
Subject: Re: bin/41823: printf("%+f\n", -0.0) generates +0.000000
Reply-To: Bruce Evans <bde@zeta.org.au>
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The following reply was made to PR bin/41823; it has been noted by GNATS.

From: Bruce Evans <bde@zeta.org.au>
To: Jens Schweikhardt <schweikh@schweikhardt.net>
Cc: GNATS Bug Followup <bug-followup@FreeBSD.org>
Subject: Re: bin/41823: printf("%+f\n", -0.0) generates +0.000000
Date: Mon, 26 Aug 2002 11:25:06 +1000 (EST)

 On Sun, 25 Aug 2002, Jens Schweikhardt wrote:
 
 > Ok, here's a patch you'll like -- it reduces the lines of code :-)
 >
 > Index: vfprintf.c
 > ===================================================================
 > RCS file: /home/ncvs/src/lib/libc/stdio/vfprintf.c,v
 > retrieving revision 1.43
 > diff -u -r1.43 vfprintf.c
 > --- vfprintf.c	15 Aug 2002 10:28:52 -0000	1.43
 > +++ vfprintf.c	25 Aug 2002 13:26:08 -0000
 > @@ -1409,13 +1409,8 @@
 >  			ndigits++;
 >  		mode = 2;		/* ndigits significant digits */
 >  	}
 > -	if (value < 0) {
 > -		value = -value;
 > -		*sign = '-';
 > -	} else
 > -		*sign = '\000';
 > -	digits = __dtoa(value, mode, ndigits, decpt, &dsgn, &rve,
 > -			dtoaresultp);
 > +	digits = __dtoa(value, mode, ndigits, decpt, &dsgn, &rve, dtoaresultp);
 > +	*sign = dsgn != 0;
 >  	if ((ch != 'g' && ch != 'G') || flags & ALT) {
 >  		/* print trailing zeros */
 >  		bp = digits + ndigits;
 >
 
 Yes, I like it.  Assuming that it works of course.
 
 Bruce
 

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