The following reply was made to PR kern/133583; it has been noted by GNATS.
From: dfil...@freebsd.org (dfilter service) To: bug-follo...@freebsd.org Cc: Subject: Re: kern/133583: commit references a PR Date: Fri, 3 Dec 2010 07:01:14 +0000 (UTC) Author: das Date: Fri Dec 3 07:01:07 2010 New Revision: 216142 URL: http://svn.freebsd.org/changeset/base/216142 Log: Explain some of the reasons that fpsetprec() is unlikely to work as one might expect. (These functions have already been deprecated for many years.) PR: 133583 Modified: head/share/man/man3/fpgetround.3 Modified: head/share/man/man3/fpgetround.3 ============================================================================== --- head/share/man/man3/fpgetround.3 Fri Dec 3 04:39:48 2010 (r216141) +++ head/share/man/man3/fpgetround.3 Fri Dec 3 07:01:07 2010 (r216142) @@ -32,7 +32,7 @@ .\" @(#)fpgetround.3 1.0 (Berkeley) 9/23/93 .\" $FreeBSD$ .\" -.Dd August 23, 1993 +.Dd December 3, 2010 .Dt FPGETROUND 3 .Os .Sh NAME @@ -164,6 +164,10 @@ and .Fn fpsetprec functions provide functionality unavailable on many platforms. At present, they are implemented only on the i386 and amd64 platforms. +Changing precision isn't a supported feature: +it may be ineffective when code is compiled to take advantage of SSE, +and many library functions and compiler optimizations depend upon the +default precision for correct behavior. .Sh SEE ALSO .Xr fenv 3 , .Xr isnan 3 _______________________________________________ svn-src-...@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org" _______________________________________________ freebsd-bugs@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "freebsd-bugs-unsubscr...@freebsd.org"
