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fl2sqrt, fl2sqr, fl2/, flsqrt/error accuraccy regression #72

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samth opened this issue Jun 7, 2022 · 0 comments
Open

fl2sqrt, fl2sqr, fl2/, flsqrt/error accuraccy regression #72

samth opened this issue Jun 7, 2022 · 0 comments

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@samth
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samth commented Jun 7, 2022

PR #71 introduced a regression in the accuracy of some double-flonum functions: fl2sqrt, fl2sqr, fl2/, flsqrt/error. This was to avoid using the translated code from crlibm for licensing reasons. As far as I know, the algorithms used in crlibm are not published anywhere, and the currently-implemented algorithms are the best ones I could find. But I don't know this area and I'm sure more could be done.

See also #38.
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