Don't collect AbstractQ objects in tests (#1872)

Author: dkarrasch

lib/cusolver/linalg.jl

@@ -178,6 +178,7 @@ CuMatrix{T}(Q::QRCompactWYQ) where {T} = error("QRCompactWY format is not suppor
 Matrix{T}(Q::QRPackedQ{S,<:CuArray,<:CuArray}) where {T,S} = Array(CuMatrix{T}(Q))
 Matrix{T}(Q::QRCompactWYQ{S,<:CuArray,<:CuArray}) where {T,S} = Array(CuMatrix{T}(Q))
 
+if VERSION < v"1.10-"
 # extracting the full matrix can be done with `collect` (which defaults to `Array`)
 function Base.collect(src::Union{QRPackedQ{<:Any,<:CuArray,<:CuArray},
                                  QRCompactWYQ{<:Any,<:CuArray,<:CuArray}})
@@ -193,6 +194,8 @@ Base.similar(Q::Union{QRPackedQ{<:Any,<:CuArray,<:CuArray},
              ::Type{T}, dims::Dims{N}) where {T,N} =
     CuArray{T,N}(undef, dims)
 
+end
+
 function Base.getindex(Q::QRPackedQ{<:Any, <:CuArray}, ::Colon, j::Int)
     y = CUDA.zeros(eltype(Q), size(Q, 2))
     y[j] = 1

test/cusolver/dense.jl

@@ -359,8 +359,13 @@ k = 1
 
         d_I = CuMatrix{elty}(I, size(d_F.Q))
         @test det(d_F.Q) ≈ det(collect(d_F.Q * CuMatrix{elty}(I, size(d_F.Q)))) atol=tol*norm(A)
-        @test collect(d_F.Q * d_I) ≈ collect(d_F.Q)
-        @test collect(d_I * d_F.Q) ≈ collect(d_F.Q)
+        if VERSION >= v"1.10-"
+            @test collect((d_F.Q'd_I) * d_F.Q) ≈ collect(d_I)
+            @test collect(d_F.Q * (d_I * d_F.Q')) ≈ collect(d_I)
+        else
+            @test collect(d_F.Q * d_I) ≈ collect(d_F.Q)
+            @test collect(d_I * d_F.Q) ≈ collect(d_F.Q)
+        end
 
         d_I = CuMatrix{elty}(I, size(d_F.R))
         @test collect(d_F.R * d_I) ≈ collect(d_F.R)