Author jeff.allen
Recipients jeff.allen, mark.dickinson
Date 2016-03-14.22:57:10
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Message-id <1457996231.43.0.715566748988.issue26040@psf.upfronthosting.co.za>
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Here is a patch that improves coverage and addresses the uneven accuracy. Required accuracy is now specified in ulps. Mostly, I have choses 1 ulp, since this passed for me on an x86 architecture (and also ARM), but this may be too ambitious.

I have also responded to the comment relating to erfc:
    # XXX Would be better to weaken this test only
    # for large x, instead of for all x."

I found I could not contribute the code I used to generate the additional test cases in Tools/scripts without failing test_tools. (It complained of a missing dependency. The generator uses mpmath.)
History
Date User Action Args
2016-03-14 22:57:12jeff.allensetrecipients: + jeff.allen, mark.dickinson
2016-03-14 22:57:11jeff.allensetmessageid: <1457996231.43.0.715566748988.issue26040@psf.upfronthosting.co.za>
2016-03-14 22:57:11jeff.allenlinkissue26040 messages
2016-03-14 22:57:11jeff.allencreate