push batch test updates

Author: ChrisRackauckas

test/enzyme.jl

@@ -33,7 +33,20 @@ b1 = rand(n);
 db1 = zeros(n);
 db12 = zeros(n);
 
-@test_broken Enzyme.autodiff(Reverse, f, BatchDuplicated(copy(A), (dA, dA2)), BatchDuplicated(copy(b1), (db1, db12)))
+function fbatch(y, A, b1; alg = LUFactorization())
+    prob = LinearProblem(A, b1)
+
+    sol1 = solve(prob, alg)
+
+    s1 = sol1.u
+    y[1] = norm(s1)
+    nothing
+end
+
+y = [0.0]
+dy1 = [1.0]
+dy2 = [1.0]
+Enzyme.autodiff(Reverse, fbatch, BatchDuplicated(y, (dy1, dy2)), BatchDuplicated(copy(A), (dA, dA2)), BatchDuplicated(copy(b1), (db1, db12)))
 
 dA2 = ForwardDiff.gradient(x->f(x,eltype(x).(b1)), copy(A))
 db12 = ForwardDiff.gradient(x->f(eltype(x).(A),x), copy(b1))
@@ -92,7 +105,7 @@ Enzyme.autodiff(Reverse, f2, Duplicated(copy(A), dA), Duplicated(copy(b1), db1),
 function f3(A, b1, b2; alg = KrylovJL_GMRES())
     prob = LinearProblem(A, b1)
     cache = init(prob, alg)
-    s1 = solve!(cache).u
+    s1 = copy(solve!(cache).u)
     cache.b = b2
     s2 = solve!(cache).u
     norm(s1 + s2)