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arrays.jl
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arrays.jl
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@testset "Polymake.Array" begin
@testset "Polymake.Array generics: $T " for (T, elt) in [
(Int64, 2),
(Polymake.Integer, Polymake.Integer(2)),
(Polymake.Rational, Polymake.Rational(2 //3)),
(Polymake.QuadraticExtension{Polymake.Rational}, Polymake.QuadraticExtension{Polymake.Rational}(1, 2, 3)),
(String, "a"),
(Polymake.Set{Polymake.to_cxx_type(Int)}, Polymake.Set{Int64}([1,2,1])),
(Polymake.Matrix{Polymake.Integer}, Polymake.Matrix{Polymake.Integer}([1 0; 2 1])),
(Polymake.Array{Polymake.to_cxx_type(Int)}, Polymake.Array{Int64}(Int64[1, 2, 3])),
(Polymake.Array{Polymake.Integer}, Polymake.Array{Polymake.Integer}(Polymake.Integer[1, 2, 3])),
(Polymake.Array{Polymake.Rational}, Polymake.Array{Polymake.Rational}(Polymake.Rational[1, 2, 3])),
]
@test Polymake.Array{T} <: AbstractVector
@test Polymake.Array{T}(undef, 3) isa AbstractVector
@test Polymake.Array{T}(undef, 3) isa Polymake.Array
@test Polymake.Array{T}(undef, 3) isa
Polymake.Array{Polymake.to_cxx_type(T)}
@test Polymake.Array{T}(3,elt) isa
Polymake.Array{Polymake.to_cxx_type(T)}
arr = Polymake.Array{T}(3,elt)
@test length(arr) == 3
@test eltype(arr) == T
@test arr[1] isa T
@test arr[1] == arr[2] == arr[3] == elt
@test_throws BoundsError arr[0]
@test_throws BoundsError arr[4]
@test Polymake.Array{T}([elt, elt, elt]) == arr
@test resize!(arr, 5) isa Polymake.Array{Polymake.to_cxx_type(T)}
@test length(arr) == 5
@test append!(arr, arr) isa Polymake.Array{Polymake.to_cxx_type(T)}
@test length(arr) == 10
@test fill!(arr, elt) == Polymake.Array{T}(10, elt)
@test arr == Polymake.Array{T}(10, elt)
end
@testset "Polymake.Array{Polymake.Matrix{Polymake.Integer}}" begin
elt = [1 2; 3 4]
T = Polymake.Matrix{Polymake.Integer}
@test Polymake.Array{T}([elt, 2elt]) isa Polymake.Array
@test Polymake.Array{T}([elt, 2elt]) isa Polymake.Array{T}
arr = Polymake.Array{T}([elt, 2elt])
@test arr[1] isa T
@test eltype(arr[1]) == Polymake.Integer
v = T(2,2) # initialized as 0-matrix
@test setindex!(arr, v, 2) == [elt, zeros(Int, 2,2)]
@test arr[2] == v
arr[2] = [1 1]
@test arr[2] == [1 1]
@test eltype(arr) == T
@test length(arr) == 2
@test size(arr) == (2,)
l = length(arr)
A = append!(deepcopy(arr), arr)
@test A != arr
@test length(A) == 2l
@test A[1] == A[l+1] && A[l] == A[2l]
A = append!(copy(arr), arr)
@test A != arr
@test length(A) == 2l
append!(A, [[1 2 3], [1 2]])
@test A[end] == [1 2]
@test A[end-1] == [1 2 3]
@test length(A) == 2l+2
@test fill!(A, elt) == Polymake.Array{T}(2l+2, elt)
@test A == Polymake.Array{T}(2l+2, elt)
end
@testset "Polymake.Array{Polymake.Set{Int64}}" begin
elt = Base.Set([1,2,3,4])
T = Polymake.Set{Polymake.to_cxx_type(Int64)}
@test Polymake.Array{T}([elt, Base.Set(elt .% 3)]) isa Polymake.Array
@test Polymake.Array{T}([elt, Base.Set(elt .% 3)]) isa Polymake.Array{T}
arr = Polymake.Array{T}([elt, Base.Set(elt .% 3)])
@test arr[1] isa T
@test eltype(arr[1]) == Int64
v = T() # empty Set
@test setindex!(arr, v, 2) == [elt, Base.Set()]
@test arr[2] == v
arr[2] = Base.Set([1 1])
@test arr[2] == Base.Set([1,1])
@test eltype(arr) == T
@test length(arr) == 2
@test size(arr) == (2,)
l = length(arr)
A = append!(deepcopy(arr), arr)
@test A != arr
@test length(A) == 2l
@test A[1] == A[l+1] && A[l] == A[2l]
append!(A, [[1 2 3], [1 2]])
@test A[end] == Base.Set([1 2])
@test A[end-1] == Base.Set([1 2 3])
@test length(A) == 2l+2
@test fill!(A, elt) == Polymake.Array{T}(2l+2, elt)
@test A == Polymake.Array{T}(2l+2, elt)
end
@testset "Polymake.Array{Polymake.Array{Polymake.Set{Int64}}}" begin
c = Polymake.polytope.cube(2, 1, 0)
PC = Polymake.polytope.PointConfiguration(POINTS=c.VERTICES)
all = Polymake.polytope.topcom_all_triangulations(PC)
@test all isa Polymake.Array{Polymake.Array{Polymake.Set{Polymake.to_cxx_type(Int64)}}}
@test length(all) == 2
@test size(all) == (2,)
for triang in all
@test triang isa Polymake.Array{Polymake.Set{Polymake.to_cxx_type(Int64)}}
end
end
@testset "Polymake.Array{Polymake.StdPair{Polymake.Array{Int64}, Polymake.Array{Int64}}}" begin
c = Polymake.polytope.cube(2, 1, 0)
aut = Polymake.graph.automorphisms(c.VERTICES_IN_FACETS)
@test length(aut) == 2
@test aut isa Polymake.Array{Polymake.StdPair{Polymake.Array{Polymake.to_cxx_type(Int64)}, Polymake.Array{Polymake.to_cxx_type(Int64)}}}
for p in aut
@test p isa Polymake.StdPair{Polymake.Array{Polymake.to_cxx_type(Int64)}, Polymake.Array{Polymake.to_cxx_type(Int64)}}
@test first(p) isa Polymake.Array{Polymake.to_cxx_type(Int64)}
@test last(p) isa Polymake.Array{Polymake.to_cxx_type(Int64)}
end
end
end