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* [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86
@ 2012-03-15 13:41 aj at suse dot de
2012-03-15 13:48 ` [Bug math/13851] " aj at suse dot de
` (10 more replies)
0 siblings, 11 replies; 12+ messages in thread
From: aj at suse dot de @ 2012-03-15 13:41 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
Bug #: 13851
Summary: sincosl(), sinl() and cosl() are incorrect for large
inputs on x86_64 and x86
Product: glibc
Version: 2.15
Status: NEW
Keywords: glibc_2.15
Severity: normal
Priority: P2
Component: math
AssignedTo: unassigned@sourceware.org
ReportedBy: aj@suse.de
CC: aj@suse.de, bugdal@aerifal.cx,
carlos@systemhalted.org, ppluzhnikov@google.com,
vincent-srcware@vinc17.net
Depends on: 13658
Classification: Unclassified
+++ This bug was initially created as a clone of Bug #13658 +++
sincosl() is inaccurate for large inputs on x86_64: with glibc 2.13,
#define _GNU_SOURCE
#include <stdio.h>
#include <math.h>
int main (void)
{
volatile long double x = 1.0e22;
long double s1, s2, c1;
sincosl (x, &s1, &c1);
s2 = sinl (x);
printf ("s1 = %.17Lg\n", s1);
printf ("s2 = %.17Lg\n", s2);
return 0;
}
outputs:
s1 = -0.63300455357085282
s2 = -0.63300455357085282
Correct output would be:
0.85220084976718879
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* [Bug math/13851] sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
@ 2012-03-15 13:48 ` aj at suse dot de
2012-03-15 14:58 ` [Bug math/13851] sincosl(), sinl() and cosl(), tanl() " aj at suse dot de
` (9 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: aj at suse dot de @ 2012-03-15 13:48 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
Andreas Jaeger <aj at suse dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |13852
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* [Bug math/13851] sincosl(), sinl() and cosl(), tanl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
2012-03-15 13:48 ` [Bug math/13851] " aj at suse dot de
@ 2012-03-15 14:58 ` aj at suse dot de
2012-03-15 15:01 ` aj at suse dot de
` (8 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: aj at suse dot de @ 2012-03-15 14:58 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
Andreas Jaeger <aj at suse dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|sincosl(), sinl() and |sincosl(), sinl() and
|cosl() are incorrect for |cosl(), tanl() are
|large inputs on x86_64 and |incorrect for large inputs
|x86 |on x86_64 and x86
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* [Bug math/13851] sincosl(), sinl() and cosl(), tanl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
2012-03-15 13:48 ` [Bug math/13851] " aj at suse dot de
2012-03-15 14:58 ` [Bug math/13851] sincosl(), sinl() and cosl(), tanl() " aj at suse dot de
@ 2012-03-15 15:01 ` aj at suse dot de
2012-03-15 15:11 ` aj at suse dot de
` (7 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: aj at suse dot de @ 2012-03-15 15:01 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
--- Comment #1 from Andreas Jaeger <aj at suse dot de> 2012-03-15 14:59:14 UTC ---
This applies to sinl, cosl, tanl and sincosl.
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* [Bug math/13851] sincosl(), sinl() and cosl(), tanl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
` (2 preceding siblings ...)
2012-03-15 15:01 ` aj at suse dot de
@ 2012-03-15 15:11 ` aj at suse dot de
2012-03-15 15:33 ` aj at suse dot de
` (6 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: aj at suse dot de @ 2012-03-15 15:11 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
Andreas Jaeger <aj at suse dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |13854
--
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^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug math/13851] sincosl(), sinl() and cosl(), tanl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
` (3 preceding siblings ...)
2012-03-15 15:11 ` aj at suse dot de
@ 2012-03-15 15:33 ` aj at suse dot de
2012-03-15 15:34 ` aj at suse dot de
` (5 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: aj at suse dot de @ 2012-03-15 15:33 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
Andreas Jaeger <aj at suse dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on|13854 |
--
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^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug math/13851] sincosl(), sinl() and cosl(), tanl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
` (4 preceding siblings ...)
2012-03-15 15:33 ` aj at suse dot de
@ 2012-03-15 15:34 ` aj at suse dot de
2012-03-16 12:38 ` jsm28 at gcc dot gnu.org
` (4 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: aj at suse dot de @ 2012-03-15 15:34 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
Andreas Jaeger <aj at suse dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on|13852 |
--
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^ permalink raw reply [flat|nested] 12+ messages in thread
* [Bug math/13851] sincosl(), sinl() and cosl(), tanl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
` (5 preceding siblings ...)
2012-03-15 15:34 ` aj at suse dot de
@ 2012-03-16 12:38 ` jsm28 at gcc dot gnu.org
2012-03-16 20:11 ` jsm28 at gcc dot gnu.org
` (3 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2012-03-16 12:38 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-03-16 12:37:15 UTC ---
sinl, cosl, sincosl fixed by:
commit 8848d99dce1e57168a492d146f5e72195c7665a5
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Mar 16 12:28:25 2012 +0000
Implement ldbl-96 sinl / cosl / sincosl (bug 13851).
tanl will need a separate fix.
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* [Bug math/13851] sincosl(), sinl() and cosl(), tanl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
` (6 preceding siblings ...)
2012-03-16 12:38 ` jsm28 at gcc dot gnu.org
@ 2012-03-16 20:11 ` jsm28 at gcc dot gnu.org
2013-06-03 16:05 ` carlos at redhat dot com
` (2 subsequent siblings)
10 siblings, 0 replies; 12+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2012-03-16 20:11 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #3 from Joseph Myers <jsm28 at gcc dot gnu.org> 2012-03-16 20:10:30 UTC ---
tanl fixed by:
commit 11b90b9f504df5b2da91ce3a06c1657d99e4a95f
Author: Joseph Myers <joseph@codesourcery.com>
Date: Fri Mar 16 20:05:04 2012 +0000
Fix tan, tanl for large inputs.
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* [Bug math/13851] sincosl(), sinl() and cosl(), tanl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
` (7 preceding siblings ...)
2012-03-16 20:11 ` jsm28 at gcc dot gnu.org
@ 2013-06-03 16:05 ` carlos at redhat dot com
2013-06-03 17:47 ` carlos at redhat dot com
2014-06-26 13:58 ` fweimer at redhat dot com
10 siblings, 0 replies; 12+ messages in thread
From: carlos at redhat dot com @ 2013-06-03 16:05 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
Carlos O'Donell <carlos at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Depends on| |15563
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* [Bug math/13851] sincosl(), sinl() and cosl(), tanl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
` (8 preceding siblings ...)
2013-06-03 16:05 ` carlos at redhat dot com
@ 2013-06-03 17:47 ` carlos at redhat dot com
2014-06-26 13:58 ` fweimer at redhat dot com
10 siblings, 0 replies; 12+ messages in thread
From: carlos at redhat dot com @ 2013-06-03 17:47 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13851
Bug 13851 depends on bug 15563, which changed state.
Bug 15563 Summary: sincos() is incorrect for long double and large inputs on x86_64
http://sourceware.org/bugzilla/show_bug.cgi?id=15563
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
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* [Bug math/13851] sincosl(), sinl() and cosl(), tanl() are incorrect for large inputs on x86_64 and x86
2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
` (9 preceding siblings ...)
2013-06-03 17:47 ` carlos at redhat dot com
@ 2014-06-26 13:58 ` fweimer at redhat dot com
10 siblings, 0 replies; 12+ messages in thread
From: fweimer at redhat dot com @ 2014-06-26 13:58 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=13851
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Flags| |security-
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2012-03-15 13:41 [Bug math/13851] New: sincosl(), sinl() and cosl() are incorrect for large inputs on x86_64 and x86 aj at suse dot de
2012-03-15 13:48 ` [Bug math/13851] " aj at suse dot de
2012-03-15 14:58 ` [Bug math/13851] sincosl(), sinl() and cosl(), tanl() " aj at suse dot de
2012-03-15 15:01 ` aj at suse dot de
2012-03-15 15:11 ` aj at suse dot de
2012-03-15 15:33 ` aj at suse dot de
2012-03-15 15:34 ` aj at suse dot de
2012-03-16 12:38 ` jsm28 at gcc dot gnu.org
2012-03-16 20:11 ` jsm28 at gcc dot gnu.org
2013-06-03 16:05 ` carlos at redhat dot com
2013-06-03 17:47 ` carlos at redhat dot com
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