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[Octave-bug-tracker] [bug #45507] acos returns different results on big
From: |
Mike Miller |
Subject: |
[Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8 |
Date: |
Sat, 2 Jul 2016 16:14:50 +0000 (UTC) |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:47.0) Gecko/20100101 Firefox/47.0 |
Follow-up Comment #43, bug #45507 (project octave):
FTR I think the fixes to these functions occurred in libm somewhere between
glibc 2.19 and 2.22 (because we have Ubuntu 14.04 users saying it fails, but
it works for me on Debian stretch). I don't think the version of GCC matters
for this, since the C++ functions just forward the arguments to the
appropriate libc functions.
So some kind of configure test could be done for these calls, but we'd need
someone to contribute some kind of wrapper, possibly pulled from glibc, that
would stand in for the broken function(s).
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- [Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8, John W. Eaton, 2016/07/02
- [Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8,
Mike Miller <=
- [Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8, Lachlan Andrew, 2016/07/03
- [Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8, Mike Miller, 2016/07/03
- [Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8, Mike Miller, 2016/07/03
- [Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8, Lachlan Andrew, 2016/07/03
- [Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8, Lachlan Andrew, 2016/07/03
- [Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8, Mike Miller, 2016/07/03
- [Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8, Mike Miller, 2016/07/03
- [Octave-bug-tracker] [bug #45507] acos returns different results on big input values on gcc 4.8, Lachlan Andrew, 2016/07/03