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math: argument reduction inaccurate on s390x for huge inputs for Sin/Cos/SinCos/Tan #29240

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griesemer opened this Issue Dec 13, 2018 · 0 comments

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commented Dec 13, 2018

Currently, tests for huge arguments for Sin/Cos/SinCos/Tan are disabled for s390x because the respective assembly routines don't reduce input arguments accurately enough.

The assembly routines are fixed; or better, the pure Go code should be used instead if there's no significant performance difference.

See also #29221 for more details.

@griesemer griesemer added the NeedsFix label Dec 13, 2018

@griesemer griesemer added this to the Go1.13 milestone Dec 13, 2018

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