Fix ambiguity in x'A' (#97)

Author: dlfivefifty

Project.toml

@@ -1,7 +1,7 @@
 name = "ArrayLayouts"
 uuid = "4c555306-a7a7-4459-81d9-ec55ddd5c99a"
 authors = ["Sheehan Olver <[email protected]>"]
-version = "0.8.7"
+version = "0.8.8"
 
 [deps]
 FillArrays = "1a297f60-69ca-5386-bcde-b61e274b549b"

src/mul.jl

@@ -252,6 +252,10 @@ macro layoutmul(Typ)
 end
 
 @veclayoutmul LayoutVector
+*(A::Adjoint{<:Any,<:LayoutVector}, B::Adjoint{<:Any,<:LayoutMatrix}) = mul(A,B)
+*(A::Adjoint{<:Any,<:LayoutVector}, B::Transpose{<:Any,<:LayoutMatrix}) = mul(A,B)
+*(A::Transpose{<:Any,<:LayoutVector}, B::Adjoint{<:Any,<:LayoutMatrix}) = mul(A,B)
+*(A::Transpose{<:Any,<:LayoutVector}, B::Transpose{<:Any,<:LayoutMatrix}) = mul(A,B)
 
 
 ###

test/test_layoutarray.jl

@@ -335,6 +335,14 @@ MemoryLayout(::Type{MyVector}) = DenseColumnMajor()
         @test axes(UpperTriangular(A)) == axes(UpperTriangular(view(A,1:5,1:5))) == axes(A)
         @test axes(Diagonal(x)) == axes(Diagonal(Vector(x)))
     end
+
+    @testset "adjtrans *" begin
+        A = MyMatrix(rand(5,5))
+        x = MyVector(rand(5))
+
+        @test x'A ≈ transpose(x)A ≈ x.A'A.A
+        @test x'A' ≈ x'transpose(A) ≈ transpose(x)A' ≈ transpose(x)transpose(A) ≈ x.A'A.A'
+    end
 end
 
 struct MyUpperTriangular{T} <: AbstractMatrix{T}