From owner-freebsd-bugs@FreeBSD.ORG Fri Dec 3 07:10:11 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B95F51065670 for ; Fri, 3 Dec 2010 07:10:11 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 8CD138FC19 for ; Fri, 3 Dec 2010 07:10:11 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id oB37ABV6018073 for ; Fri, 3 Dec 2010 07:10:11 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id oB37ABY1018072; Fri, 3 Dec 2010 07:10:11 GMT (envelope-from gnats) Date: Fri, 3 Dec 2010 07:10:11 GMT Message-Id: <201012030710.oB37ABY1018072@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: dfilter@FreeBSD.ORG (dfilter service) Cc: Subject: Re: kern/133583: commit references a PR X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: dfilter service List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Dec 2010 07:10:11 -0000 The following reply was made to PR kern/133583; it has been noted by GNATS. From: dfilter@FreeBSD.ORG (dfilter service) To: bug-followup@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-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscribe@freebsd.org"