Fix minimum and maximum in the presence of missing values #35989
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nalimilan
commented
May 23, 2020
base/reduce.jl
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| v2 == v2 || return v2 | ||
| v3 == v3 || return v3 | ||
| v4 == v4 || return v4 | ||
| # === true is there to ignore missing |
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"ignore" isn't the right term actually since we short-circuit. I can change this to just add "or missing" to the existing comment for NaN.
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Just say something like "to handle missing"
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Actually "short-circuit" is even more accurate I think.
simeonschaub
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Aug 11, 2020
…35989) * Fix minimum and maximum in the presence of missing values * Fix comment
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Another, possibly cleaner way of fixing this would be to add an
isnan(::Number) = falsefallback, and dox isa Number && isnan(x). That would make the code a bit clearer and could be useful for others. Currently we would have to dox isa Union{Real, Complex} && isnan(x)since there are the only types for which we defineisnanmethods -- but that approach wouldn't work for custom complex types.Similar to #35323 (but simpler to fix).