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log1p(Double64(Inf)) returns nothing #203

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moble opened this issue May 30, 2024 · 0 comments · Fixed by #204
Closed

log1p(Double64(Inf)) returns nothing #203

moble opened this issue May 30, 2024 · 0 comments · Fixed by #204

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@moble
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moble commented May 30, 2024

This behavior is inconsistent with, e.g., Float64, which gives log1p(Inf) == Inf. I think this may just be a typo in

DoubleFloats.jl/src/math/elementary/explog.jl

Line 262 in 9e9d5b3

isinf(x) && !signbit(x) && return

Presumably, that line should end with x, like in the log function defined just before it:

DoubleFloats.jl/src/math/elementary/explog.jl

Line 249 in 9e9d5b3

isinf(x) && !signbit(x) && return x

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Fix inf and nan bugs
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@moble