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Add atan support for missings #43523

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merged 7 commits into from
Dec 27, 2021
Merged

Add atan support for missings #43523

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eb48c38
Update math.jl
nicholasbalasus Dec 22, 2021
569944e
Additional Stan support for missings
nicholasbalasus Dec 23, 2021
b5b08aa
added testset for two arg funcs (atan)
nicholasbalasus Dec 24, 2021
ab79f3c
removed extra end in two_argument testset
nicholasbalasus Dec 24, 2021
3c4658c
removed whitespace for bot
nicholasbalasus Dec 24, 2021
c367528
removed additional whitespace for bot
nicholasbalasus Dec 24, 2021
8a38394
removed additional whitespace for bot
nicholasbalasus Dec 24, 2021
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3 changes: 3 additions & 0 deletions base/math.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -1318,6 +1318,9 @@ for f in (:sin, :cos, :tan, :asin, :atan, :acos,
end
@eval $(f)(::Missing) = missing
end
atan(::Missing, ::Missing) = missing
atan(::Number, ::Missing) = missing
atan(::Missing, ::Number) = missing

exp2(x::AbstractFloat) = 2^x
exp10(x::AbstractFloat) = 10^x
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13 changes: 13 additions & 0 deletions test/missing.jl
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Expand Up @@ -109,6 +109,19 @@ end
end
end

@testset "two-argument functions" begin
two_argument_functions = [atan]

# All two-argument functions return missing when operating on two missing's
# All two-argument functions return missing when operating on a scalar and an missing
# All two-argument functions return missing when operating on an missing and a scalar
for f in two_argument_functions
@test ismissing(f(missing, missing))
@test ismissing(f(1, missing))
@test ismissing(f(missing, 1))
end
end

@testset "bit operators" begin
bit_operators = [&, |, ⊻]

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