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fix types of Cholesky factors #205

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fix types of Cholesky factors #205

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3 changes: 3 additions & 0 deletions src/symbanded/BandedCholesky.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -98,3 +98,6 @@ cholesky(A::Symmetric{T,<:BandedMatrix{T}},

cholesky(A::Hermitian{T,<:BandedMatrix{T}},
::Val{false}=Val(false); check::Bool = true) where T = cholesky!(cholcopy(A); check = check)

Base.copy(Ac::Adjoint{<:Any,<:AbstractBandedMatrix}) = BandedMatrix(Ac)
Base.copy(Ac::Transpose{<:Any,<:AbstractBandedMatrix}) = BandedMatrix(Ac)
6 changes: 6 additions & 0 deletions test/test_symbanded.jl
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Expand Up @@ -185,6 +185,8 @@ end

@test Ac isa Cholesky{T,<:BandedMatrix{T}}
@test Ac.U ≈ cholesky(Matrix(A)).U
@test Ac.U isa LowerTriangular{T,<:BandedMatrix{T}}
@test Ac.L isa LowerTriangular{T,<:BandedMatrix{T}}

b = rand(T,size(A,1))
@test Ac\b ≈ Matrix(A)\b
Expand All @@ -198,6 +200,8 @@ end

@test Ac isa Cholesky{T,<:BandedMatrix{T}}
@test Ac.L ≈ cholesky(Matrix(A)).L
@test Ac.U isa LowerTriangular{T,<:BandedMatrix{T}}
@test Ac.L isa LowerTriangular{T,<:BandedMatrix{T}}

b = rand(T,size(A,1))
@test Ac\b ≈ Matrix(A)\b
Expand All @@ -211,6 +215,8 @@ end

@test Ac isa Cholesky{T,<:BandedMatrix{T}}
@test Ac.U ≈ cholesky(Matrix(A)).U
@test Ac.U isa LowerTriangular{T,<:BandedMatrix{T}}
@test Ac.L isa LowerTriangular{T,<:BandedMatrix{T}}

b = rand(T,size(A,1))
@test Ac\b ≈ Matrix(A)\b
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