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fix: fix GCD of complex coefficient polynomials #340

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Merged
merged 1 commit into from
Aug 27, 2025
Merged

fix: fix GCD of complex coefficient polynomials #340

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7 changes: 7 additions & 0 deletions src/gcd.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -959,6 +959,13 @@ function primitive_part(
)
return p
end
function primitive_part(
p::_APL{<:Complex{<:AbstractFloat}},
::AbstractUnivariateGCDAlgorithm,
::MA.MutableTrait,
)
return p
end

"""
primitive_part_content(poly::AbstractPolynomialLike{T}, algo::AbstractUnivariateGCDAlgorithm) where {T}
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5 changes: 5 additions & 0 deletions test/commutative/gcd.jl
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Expand Up @@ -305,5 +305,10 @@ end
p2 = MP.polynomial(p * q, ComplexF64)
g = @inferred gcd(p1, p2)
@test isone(g)

p1 = p - 2.5im
p2 = 2.0p - 5.0im
g = @inferred gcd(p1, p2)
@test isequal(p1, g) || isequal(p2, g)
end
end
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