Disambiguate FillMatrix * LayoutVector (#245)

* Disambiguate FillMatrix * LayoutVector

* Restore behavior

* Return FillArray

* Use invoke function instead of macro

* transpose and adjoint vector

Author: jishnub

Project.toml

@@ -1,7 +1,7 @@
 name = "ArrayLayouts"
 uuid = "4c555306-a7a7-4459-81d9-ec55ddd5c99a"
 authors = ["Sheehan Olver <solver@mac.com>"]
-version = "1.10.2"
+version = "1.10.3"
 
 [deps]
 FillArrays = "1a297f60-69ca-5386-bcde-b61e274b549b"

src/mul.jl

@@ -347,6 +347,11 @@ end
 *(A::Transpose{<:Any,<:LayoutVector}, B::Adjoint{<:Any,<:LayoutMatrix}) = mul(A,B)
 *(A::Transpose{<:Any,<:LayoutVector}, B::Transpose{<:Any,<:LayoutMatrix}) = mul(A,B)
 
+# Disambiguation with FillArrays
+*(A::AbstractFill{<:Any,2}, B::LayoutVector) = invoke(*, Tuple{AbstractFill{<:Any,2}, AbstractVector}, A, B)
+*(A::Adjoint{<:Any, <:LayoutVector}, B::AbstractFill{<:Any,2}) = invoke(*, Tuple{Adjoint{<:Any, <:AbstractVector}, AbstractFill{<:Any,2}}, A, B)
+*(A::Transpose{<:Any, <:LayoutVector}, B::AbstractFill{<:Any,2}) = invoke(*, Tuple{Transpose{<:Any, <:AbstractVector}, AbstractFill{<:Any,2}}, A, B)
+
 ## special routines introduced in v0.9. We need to avoid these to support ∞-arrays
 
 *(x::Adjoint{<:Any,<:LayoutVector},   D::Diagonal{<:Any,<:LayoutVector}) = mul(x, D)

test/test_layoutarray.jl

@@ -638,4 +638,13 @@ using .InfiniteArrays
     end
 end
 
+@testset "disambiguation with FillArrays" begin
+    v = [1,2,3]
+    lv = MyVector(v)
+    F = Fill(2, 3, 3)
+    @test F * lv == F * v
+    @test lv' * F == v' * F
+    @test transpose(lv) * F == transpose(v) * F
+end
+
 end