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Regression in min(-Inf, NaN) from 0.5 to 0.6 #20245

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dpsanders opened this issue Jan 26, 2017 · 4 comments
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Regression in min(-Inf, NaN) from 0.5 to 0.6 #20245

dpsanders opened this issue Jan 26, 2017 · 4 comments

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@dpsanders
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Julia 0.5: min(-Inf, NaN) gives -Inf
Julia 0.6: min(-Inf, NaN) gives NaN

Presumably one of these violates IEEE arithmetic; I believe it is Julia 0.6.

cc @simonbyrne
@dpsanders dpsanders changed the title Change in behaviour of min(-Inf, NaN) from 0.5 to 0.6 Regression in min(-Inf, NaN) from 0.5 to 0.6 Jan 26, 2017
@dpsanders
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cf. the (inconclusive?) discussion in #10729

@simonbyrne
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The relevant commit by @stevengj is b1ecd56 (not sure what is up with the dates on the commit, it was actually merged in September 2016). It doesn't seem to have been made from a PR, but presumably was in response to the discussion in #7866 (comment). Also some discussion in #12552 and #12564.

@simonbyrne
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Also, is documented in NEWS.md

@dpsanders
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OK, thanks.

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@dpsanders @simonbyrne