Author christian.heimes
Recipients Rhamphoryncus, christian.heimes, gmcastil, gvanrossum, mark.dickinson, tim.peters
Date 2008-01-21.16:56:35
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Mark Dickinson wrote:
> Mark Dickinson added the comment:
> Christian: would it be possible for you to tell me what the argument of the 
> log1p call is on Windows in that last branch of c_atanh, for the testcase 
> atanh0022.
> On OS X I get:
> Input to log1p is 3.2451855365842669075e+32
> It's hard to imagine that there's anything wrong with log1p here, since all 
> it does for a large input like this is compute log(1+x).

You got me wrong (and I didn't explain it properly). All complex
functions pass the test. math.atanh() fails. I think my implementation
of Python/pymath.c:atanh() doesn't return the right value for arguments
almost 1.0.

Date User Action Args
2008-01-21 16:56:36christian.heimessetspambayes_score: 0.00293833 -> 0.00293833
recipients: + christian.heimes, gvanrossum, tim.peters, mark.dickinson, Rhamphoryncus, gmcastil
2008-01-21 16:56:35christian.heimeslinkissue1640 messages
2008-01-21 16:56:35christian.heimescreate