JuliaLang / julia / #38183

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Commit Message

test: math: test floating-point behavior when mapping zero to zero (#59265)

The idea for this addition to the test suite originates here, where
stevengj suggested to do this test for `cosc` specifically:

* https://github.com/JuliaLang/julia/pull/59087#issuecomment-3183764523

This PR instead tests all applicable functions I could find.

Also fix the sign of `cosc(::BigFloat)` for zero input, thanks to
stevengj.

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Co-authored-by: Steven G. Johnson <stevenj@mit.edu>

Run Details

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78 existing lines in 6 files now uncovered.

48249 of 61992 relevant lines covered (77.83%)

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