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* [Bug math/4108] erfcf returns incorrectly rounded results compared to erfc
[not found] <bug-4108-131@http.sourceware.org/bugzilla/>
@ 2012-02-26 14:00 ` jsm28 at gcc dot gnu.org
2012-02-26 16:34 ` jsm28 at gcc dot gnu.org
2012-03-01 21:19 ` jsm28 at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2012-02-26 14:00 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=4108
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|aj at suse dot de |unassigned at sourceware
| |dot org
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-02-26 14:00:40 UTC ---
Confirmed in essence (the numbers of ULPs given in this report don't seem
right, though). erfcf (0X1.F7303CP+1) should be 0X1.D0CD2AP-26 but glibc gives
0X1.D0CD46P-26. erfcf (0X1.FFFFC8P+2) should be 0X1.C768DCP-97 but glibc gives
0X1.C7694EP-97.
Probably same cause as bug 2541.
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* [Bug math/4108] erfcf returns incorrectly rounded results compared to erfc
[not found] <bug-4108-131@http.sourceware.org/bugzilla/>
2012-02-26 14:00 ` [Bug math/4108] erfcf returns incorrectly rounded results compared to erfc jsm28 at gcc dot gnu.org
@ 2012-02-26 16:34 ` jsm28 at gcc dot gnu.org
2012-03-01 21:19 ` jsm28 at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2012-02-26 16:34 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=4108
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at sourceware |jsm28 at gcc dot gnu.org
|dot org |
--- Comment #3 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-02-26 16:33:28 UTC ---
Patch submitted: http://sourceware.org/ml/libc-alpha/2012-02/msg00640.html
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* [Bug math/4108] erfcf returns incorrectly rounded results compared to erfc
[not found] <bug-4108-131@http.sourceware.org/bugzilla/>
2012-02-26 14:00 ` [Bug math/4108] erfcf returns incorrectly rounded results compared to erfc jsm28 at gcc dot gnu.org
2012-02-26 16:34 ` jsm28 at gcc dot gnu.org
@ 2012-03-01 21:19 ` jsm28 at gcc dot gnu.org
2 siblings, 0 replies; 4+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2012-03-01 21:19 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=4108
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #4 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-03-01 21:18:28 UTC ---
Fixed by:
commit 7b1902cb3e64d340247638a8781770c3a4d850ce
Author: Joseph Myers <joseph@codesourcery.com>
Date: Thu Mar 1 21:15:38 2012 +0000
Improve erfc accuracy.
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* [Bug math/4108] erfcf returns incorrectly rounded results compared to erfc
2007-02-28 2:34 [Bug math/4108] New: " myles at peakstreaminc dot com
@ 2007-02-28 2:35 ` myles at peakstreaminc dot com
0 siblings, 0 replies; 4+ messages in thread
From: myles at peakstreaminc dot com @ 2007-02-28 2:35 UTC (permalink / raw)
To: glibc-bugs
------- Additional Comments From myles at peakstreaminc dot com 2007-02-28 02:35 -------
Created an attachment (id=1585)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=1585&action=view)
Program (C++) that compares erfcf and erfc results
This program may be compiled with g++, e.g.
gcc version 3.4.5 20051201 (Red Hat 3.4.5-2)
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[not found] <bug-4108-131@http.sourceware.org/bugzilla/>
2012-02-26 14:00 ` [Bug math/4108] erfcf returns incorrectly rounded results compared to erfc jsm28 at gcc dot gnu.org
2012-02-26 16:34 ` jsm28 at gcc dot gnu.org
2012-03-01 21:19 ` jsm28 at gcc dot gnu.org
2007-02-28 2:34 [Bug math/4108] New: " myles at peakstreaminc dot com
2007-02-28 2:35 ` [Bug math/4108] " myles at peakstreaminc dot com
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