Add tests for complex arrays

Author: jishnub

test/diagonal.jl

@@ -1258,16 +1258,18 @@ end
 end
 
 @testset "rmul!/lmul! for adj/trans" begin
-    A = rand(5,4); B = similar(A)
-    for f in (adjoint, transpose)
-        D = Diagonal(rand(size(A,1)))
-        B .= A
-        rmul!(f(B), D)
-        @test f(B) == f(A) * D
-        D = Diagonal(rand(size(A,2)))
-        B .= A
-        lmul!(D, f(B))
-        @test f(B) == D * f(A)
+    for T in (Float64, ComplexF64)
+        A = rand(T,5,4); B = similar(A)
+        for f in (adjoint, transpose)
+            D = Diagonal(rand(size(A,1)))
+            B .= A
+            rmul!(f(B), D)
+            @test f(B) == f(A) * D
+            D = Diagonal(rand(size(A,2)))
+            B .= A
+            lmul!(D, f(B))
+            @test f(B) == D * f(A)
+        end
     end
 end