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* [Bug math/6801] fma() does not ser errno for various errors
       [not found] <bug-6801-131@http.sourceware.org/bugzilla/>
@ 2012-03-01 17:24 ` jsm28 at gcc dot gnu.org
  2013-12-03 18:42 ` [Bug math/6801] fma() does not set " jsm28 at gcc dot gnu.org
  2020-05-23 11:34 ` mtk.manpages at gmail dot com
  2 siblings, 0 replies; 4+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2012-03-01 17:24 UTC (permalink / raw)
  To: glibc-bugs

http://sourceware.org/bugzilla/show_bug.cgi?id=6801

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> 2012-03-01 17:23:47 UTC ---
Confirmed with current sources on x86 and x86_64.

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* [Bug math/6801] fma() does not set errno for various errors
       [not found] <bug-6801-131@http.sourceware.org/bugzilla/>
  2012-03-01 17:24 ` [Bug math/6801] fma() does not ser errno for various errors jsm28 at gcc dot gnu.org
@ 2013-12-03 18:42 ` jsm28 at gcc dot gnu.org
  2020-05-23 11:34 ` mtk.manpages at gmail dot com
  2 siblings, 0 replies; 4+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2013-12-03 18:42 UTC (permalink / raw)
  To: glibc-bugs

https://sourceware.org/bugzilla/show_bug.cgi?id=6801

Joseph Myers <jsm28 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|fma() does not ser errno    |fma() does not set errno
                   |for various errors          |for various errors

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* [Bug math/6801] fma() does not set errno for various errors
       [not found] <bug-6801-131@http.sourceware.org/bugzilla/>
  2012-03-01 17:24 ` [Bug math/6801] fma() does not ser errno for various errors jsm28 at gcc dot gnu.org
  2013-12-03 18:42 ` [Bug math/6801] fma() does not set " jsm28 at gcc dot gnu.org
@ 2020-05-23 11:34 ` mtk.manpages at gmail dot com
  2 siblings, 0 replies; 4+ messages in thread
From: mtk.manpages at gmail dot com @ 2020-05-23 11:34 UTC (permalink / raw)
  To: glibc-bugs

https://sourceware.org/bugzilla/show_bug.cgi?id=6801

--- Comment #3 from Michael Kerrisk <mtk.manpages at gmail dot com> ---
Still present in glibc 2.31 (tested on x86_64).

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* [Bug math/6801] fma() does not ser errno for various errors
  2008-07-31 10:51 [Bug math/6801] New: fma() does not ser " mtk dot manpages at gmail dot com
@ 2008-07-31 10:54 ` mtk dot manpages at gmail dot com
  0 siblings, 0 replies; 4+ messages in thread
From: mtk dot manpages at gmail dot com @ 2008-07-31 10:54 UTC (permalink / raw)
  To: glibc-bugs


------- Additional Comments From mtk dot manpages at gmail dot com  2008-07-31 10:52 -------
Created an attachment (id=2865)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=2865&action=view)
test program

Sample runs demonstrating the problem:

$ /tmp/mt_fma inf 0 0
errno == 0
fetestexcept() says:  FE_INVALID
fma(inf,0.00000000000000000e+00,0.00000000000000000e+00)=nan
0 FE_INVALID nan

$ /tmp/mt_fma dbl_max dbl_max 0
errno == 0
fetestexcept() says:  FE_OVERFLOW FE_INEXACT
fma(1.79769313486231571e+308,1.79769313486231571e+308,0.00000000000000000e+00)=inf

0 FE_OVERFLOW +inf

$ /tmp/mt_fma dbl_min dbl_min 0
errno == 0
fetestexcept() says:  FE_UNDERFLOW FE_INEXACT
fma(2.22507385850720138e-308,2.22507385850720138e-308,0.00000000000000000e+00)=0.00000000000000000e+00

0 FE_UNDERFLOW +0


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end of thread, other threads:[~2020-05-23 11:34 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
     [not found] <bug-6801-131@http.sourceware.org/bugzilla/>
2012-03-01 17:24 ` [Bug math/6801] fma() does not ser errno for various errors jsm28 at gcc dot gnu.org
2013-12-03 18:42 ` [Bug math/6801] fma() does not set " jsm28 at gcc dot gnu.org
2020-05-23 11:34 ` mtk.manpages at gmail dot com
2008-07-31 10:51 [Bug math/6801] New: fma() does not ser " mtk dot manpages at gmail dot com
2008-07-31 10:54 ` [Bug math/6801] " mtk dot manpages at gmail dot com

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