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Construction of interval when mixing real and complex arguments #611

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Jan 8, 2024
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Construction of interval when mixing real and complex arguments #611

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4 changes: 2 additions & 2 deletions src/intervals/construction.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -481,9 +481,9 @@ end
_interval_infsup(::Type{T}, a::Complex, b::Complex, d::Decoration = com) where {T<:NumTypes} =
complex(_interval_infsup(T, real(a), real(b), d), _interval_infsup(T, imag(a), imag(b), d))
_interval_infsup(::Type{T}, a::Complex, b, d::Decoration = com) where {T<:NumTypes} =
complex(_interval_infsup(T, real(a), b, d), _interval_infsup(T, imag(a), imag(a), d))
complex(_interval_infsup(T, real(a), real(b), d), _interval_infsup(T, imag(a), imag(b), d))
_interval_infsup(::Type{T}, a, b::Complex, d::Decoration = com) where {T<:NumTypes} =
complex(_interval_infsup(T, a, real(b), d), _interval_infsup(T, imag(b), imag(b), d))
complex(_interval_infsup(T, real(a), real(b), d), _interval_infsup(T, imag(a), imag(b), d))

# midpoint constructors

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3 changes: 3 additions & 0 deletions test/interval_tests/complex.jl
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Expand Up @@ -20,6 +20,9 @@
@test isequal_interval(intersect_interval(c, hull(a, b)), complex(interval(0, 3), interval(1, 2)))
@test isempty_interval(intersect_interval(a, b))
@test isdisjoint_interval(a, b)

@test isequal_interval(interval(-1 - im, 0), interval(-1 - im, 0 + 0im))
@test isequal_interval(interval(0, 1 + im), interval(0 + 0im, 1 + im))
end

@testset "Inverse roots of unity" begin
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