tests

Author: mcabbott

src/compiler/chainrules.jl

@@ -158,6 +158,9 @@ The two-argument `_project(x, dx)` applies this immediately.
 # Solve some ambiguity:
 (::ProjectTo{ChainRulesCore.NoTangent})(::ChainRulesCore.AbstractZero) = NoTangent()
 
+# some splat?
+(project::ProjectTo{AbstractArray})(dx::ChainRulesCore.Tangent{<:Any, <:Tuple}) = project(collect(ChainRulesCore.backing(dx)))
+
 """
   ZBack{F}(back) <: Function
 

test/gradcheck.jl

@@ -332,10 +332,10 @@ end
   @test gradient(x -> sum(log, filter(iseven, x)), 1:10) ==
     (map(x -> iseven(x) ? 1/x : 0, 1:10),)
   @test gradient(x -> sum(abs2, im .+ filter(iseven, x)), 1:10) ==
-    (map(x -> iseven(x) ? 2x+2im : 0, 1:10),)
+    (map(x -> iseven(x) ? 2x : 0, 1:10),)
+    # (map(x -> iseven(x) ? 2x+2im : 0, 1:10),)
 end
 
-
 @testset "mean" begin
   @test gradtest(mean, rand(2, 3))