clean up

test/tensors.jl

@@ -29,19 +29,6 @@ end
 
 TP = TO.tensorproduct
 
-function check_symmetry(a)
-  R = true
-  for i in axes(a, 1)
-    r = a[i,:,:]' == a[i,:,:]
-    R &= r
-    if !r
-      n = maximum(abs, a[i,:,:]' - a[i,:,:])
-      @warn "Tensor not symmetric at i=$i: $n"
-    end
-  end
-  return R
-end
-
 function prod(A, B)
   return TP([1, 2, 3], A, [1, 2], B, [3])
 end
@@ -76,14 +63,14 @@ end
   end
 
   φ = x -> x[1] * x[2]^2
-  ∇φ = x -> [x[2]^2; 2x[1]*x[2]]
+  ∇φ = x -> [x[2]^2; 2x[1] * x[2]]
   Hφ = x -> [
     0 2x[2];
     2x[2] 2*x[1]
   ]
 
   f = x -> v(x) * φ(x)
-  Jf = x -> φ(x) * Jv(x) + v(x)*∇φ(x)'
+  Jf = x -> φ(x) * Jv(x) + v(x) * ∇φ(x)'
   Hf = x -> φ(x) * Hv(x) + symprod(Jv(x), ∇φ(x)) + TP(v(x), [1], Hφ(x), [2, 3])
 
   x = 2rand(2) .- 0.5