replace AbstractTriangular by UpperOrLowerTriangular

Author: jishnub

src/InfiniteLinearAlgebra.jl

@@ -46,6 +46,15 @@ if VERSION ≥ v"1.7-"
     LinearAlgebra._cut_B(X::AbstractMatrix, ::InfUnitRange) = X
 end
 
+if VERSION ≥ v"1.11.0-DEV.21"
+    using LinearAlgebra: UpperOrLowerTriangular
+else
+    const UpperOrLowerTriangular{T,S} = Union{LinearAlgebra.UpperTriangular{T,S},
+                                              LinearAlgebra.UnitUpperTriangular{T,S},
+                                              LinearAlgebra.LowerTriangular{T,S},
+                                              LinearAlgebra.UnitLowerTriangular{T,S}}
+end
+
 const AdjointQtype = isdefined(LinearAlgebra, :AdjointQ) ? LinearAlgebra.AdjointQ : Adjoint
 
 # BroadcastStyle(::Type{<:BandedMatrix{<:Any,<:Any,<:OneToInf}}) = LazyArrayStyle{2}()

src/infqr.jl

@@ -101,7 +101,7 @@ size(F::AdaptiveQRFactors) = size(F.data.data)
 axes(F::AdaptiveQRFactors) = axes(F.data.data)
 bandwidths(F::AdaptiveQRFactors) = bandwidths(F.data.data)
 
-axes(A::AbstractTriangular{<:Any,<:AdaptiveQRFactors}) = axes(parent(A))
+axes(A::UpperOrLowerTriangular{<:Any,<:AdaptiveQRFactors}) = axes(parent(A))
 
 function colsupport(F::AdaptiveQRFactors, j)
     partialqr!(F.data, maximum(j))