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Integer powers are somewhat broken #40

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eschnett opened this issue Feb 17, 2024 · 0 comments

eschnett commented Feb 17, 2024

I just saw this line

Ratios.jl/src/Ratios.jl

Line 75 in f5a7649

^(x::SimpleRatio, y::Integer) = SimpleRatio(x.num^y, x.den^y)

in the code.

This would handle only non-negative powers. For rational numbers I would expect negative powers to work as well.

It seems that the code is currently working because a different method is chosen for exponentiation. However, this fails:

julia> SimpleRatio(x)^Int8(-1)
ERROR: DomainError with -1:
Cannot raise an integer x to a negative power -1.

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