Date: Sat, 3 Dec 2005 07:38:35 +0000 (UTC) From: Bruce Evans <bde@FreeBSD.org> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/lib/msun/src s_rint.c Message-ID: <200512030738.jB37cZB8021010@repoman.freebsd.org>
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bde 2005-12-03 07:38:35 UTC
FreeBSD src repository
Modified files:
lib/msun/src s_rint.c
Log:
Simplified the fix in rev.1.3. Instead of using long double for
TWO52[sx] to trick gcc into correctly converting TWO52[sx]+x to double
on assignment to "double w", force a correct assignment by assigning
to *(double *)&w. This is cleaner and avoids the double rounding
problem on machines that evaluate double expressions in double
precision. It is not necessary to convert w-TWO52[sx] to double
precision on return as implied in the comment in rev.1.3, since
the difference is exact.
Revision Changes Path
1.13 +2 -8 src/lib/msun/src/s_rint.c
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