Author jeff.allen
Recipients christian.heimes, eric.smith, jeff.allen, koobs, lemburg, mark.dickinson, ned.deily, python-dev, serhiy.storchaka, stutzbach
Date 2016-08-29.17:54:16
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Ah, cunning: I can make sense of it in hex.

>>> hex(to_ulps(expected))
>>> hex(to_ulps(got))
>>> hex( to_ulps(got) - to_ulps(expected) )

... and what you've done with ulp then follows.

In my version a format like "{:d} ulps" was a bad idea when the error was a gross one, but your to_ulps is only piece-wise linear -- large differences are compressed.

I'm pleased my work has mostly survived: here's hoping the house build-bots agree. erfc() is perhaps the last worry, but math & cmath  pass on my machine.
Date User Action Args
2016-08-29 17:54:17jeff.allensetrecipients: + jeff.allen, lemburg, mark.dickinson, eric.smith, christian.heimes, ned.deily, stutzbach, python-dev, serhiy.storchaka, koobs
2016-08-29 17:54:17jeff.allensetmessageid: <>
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2016-08-29 17:54:16jeff.allencreate