avoid ambiguities

Author: dlfivefifty

src/InfiniteLinearAlgebra.jl

@@ -48,7 +48,10 @@ import LazyBandedMatrices: AbstractLazyBandedBlockBandedLayout, AbstractLazyBand
 
 const StructuredLayoutTypes{Lay} = Union{SymmetricLayout{Lay}, HermitianLayout{Lay}, TriangularLayout{'L','N',Lay}, TriangularLayout{'U','N',Lay}, TriangularLayout{'L','U',Lay}, TriangularLayout{'U','U',Lay}}
 
-const BandedLayouts = Union{AbstractBandedLayout, StructuredLayoutTypes{<:AbstractBandedLayout}}
+LazyArraysBandedMatricesExt = Base.get_extension(LazyArrays, :LazyArraysBandedMatricesExt)
+
+const BandedLazyLayouts = LazyArraysBandedMatricesExt.BandedLazyLayouts
+const BandedLayouts = LazyArraysBandedMatricesExt.BandedLayouts
 const BlockBandedLayouts = Union{AbstractBlockBandedLayout, BlockLayout{<:AbstractBandedLayout}, StructuredLayoutTypes{<:AbstractBlockBandedLayout}} 
 
 import LinearAlgebra: AbstractQ, AdjointQ, AdjOrTrans, factorize, matprod, qr

src/infqr.jl

@@ -384,8 +384,11 @@ simplifiable(M::Mul{<:Any,<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}}) = Val(
 simplifiable(M::Mul{<:LazyLayouts,<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}}) = Val(false)
 
 
-copy(M::Mul{<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts},<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}}) = simplify(M)
+copy(M::Mul{<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}, <:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}}) = simplify(M)
 copy(M::Mul{<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}}) = simplify(M)
-copy(M::Mul{<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts},<:LazyLayouts}) = simplify(M)
-copy(M::Mul{<:Any,<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}}) = simplify(M)
-copy(M::Mul{<:LazyLayouts,<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}}) = simplify(M)
+copy(M::Mul{<:AdaptiveQRFactorsLayouts, <:BandedLazyLayouts}) = simplify(M)
+copy(M::Mul{<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}, <:BandedLazyLayouts}) = simplify(M)
+copy(M::Mul{<:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}, <:LazyLayouts}) = simplify(M)
+copy(M::Mul{<:Any, <:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}}) = simplify(M)
+copy(M::Mul{<:LazyLayouts, <:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}}) = simplify(M)
+copy(M::Mul{<:BandedLazyLayouts, <:QRPackedQLayout{<:AdaptiveQRFactorsLayouts}}) = simplify(M)