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Rename midpoint_radius -> midradius #285

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Rename midpoint_radius -> midradius #285

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2 changes: 1 addition & 1 deletion docs/src/lib/methods.md
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ sup
mid
diam
radius
midpoint_radius
midradius
rand
sample
∈
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10 changes: 8 additions & 2 deletions src/init_IntervalArithmetic.jl
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Expand Up @@ -8,12 +8,18 @@ else
vIA = PkgVersion.Version(IntervalArithmetic)
end

@static if vIA >= v"0.21.2"
import IntervalArithmetic: midradius
else
export midradius
end

@static if vIA >= v"0.22"
import Base: intersect
export ±, midpoint_radius # not exported by IntervalArithmetic anymore
export ± # not exported by IntervalArithmetic anymore
else # vIA < v"0.22"
# COV_EXCL_START
import IntervalArithmetic: ±, midpoint_radius
import IntervalArithmetic: ±

issubset_interval(x::Interval, y::Interval) = issubset(x, y)

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4 changes: 2 additions & 2 deletions src/operations/numops.jl
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Expand Up @@ -89,7 +89,7 @@ function diam(A::IntervalMatrix{T}) where {T}
end

"""
midpoint_radius(A::IntervalMatrix{T}) where {T}
midradius(A::IntervalMatrix{T}) where {T}

Split an interval matrix ``A`` into two scalar matrices ``C`` and ``S``
such that ``A = C + [-S, S]``.
Expand All @@ -103,7 +103,7 @@ such that ``A = C + [-S, S]``.
A pair `(C, S)` such that the entries of `C` are the central points and the
entries of `S` are the (nonnegative) radii of the intervals in `A`.
"""
midpoint_radius(A::IntervalMatrix) = (mid(A), radius(A))
midradius(A::IntervalMatrix) = (mid(A), radius(A))

real(M::IntervalMatrix) = IntervalMatrix(real(M.mat))
imag(M::IntervalMatrix) = IntervalMatrix(imag(M.mat))
4 changes: 2 additions & 2 deletions test/constructors.jl
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Expand Up @@ -18,10 +18,10 @@
@test A ± B == IntervalMatrix([interval(0, 2) interval(0, 4); interval(-1, 7) interval(-1, 9)])
end

@testset "Interval matrix midpoint_radius" begin
@testset "Interval matrix midradius" begin
m = IntervalMatrix([interval(-1.1, 0.9) interval(-4.1, -3.9);
interval(3.9, 4.1) interval(-1.1, 0.9)])
c, s = midpoint_radius(m)
c, s = midradius(m)
@test c ≈ [-0.1 -4; 4 -0.1]
@test s ≈ [1 0.1; 0.1 1]
end
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