Patch release for fixing division bug

Project.toml

@@ -1,7 +1,7 @@
 name = "TaylorDiff"
 uuid = "b36ab563-344f-407b-a36a-4f200bebf99c"
 authors = ["Songchen Tan <[email protected]>"]
-version = "0.3.0"
+version = "0.3.1"
 
 [deps]
 ChainRules = "082447d4-558c-5d27-93f4-14fc19e9eca2"

src/chainrules.jl

@@ -30,7 +30,9 @@ function rrule(::typeof(partials), t::TaylorScalar{T, N}) where {N, T}
 end
 
 function rrule(::typeof(partials), t::TaylorArray{T, N, A, P}) where {N, T, A, P}
-    partials_pullback(v̄::NTuple{P, A}) = NoTangent(), TaylorArray(broadcast(zero, v̄[1]), v̄)
+    function partials_pullback(v̄::NTuple{P, A})
+        NoTangent(), TaylorArray(broadcast(zero, v̄[1]), v̄)
+    end
     return partials(t), partials_pullback
 end
 

src/utils.jl

@@ -91,8 +91,10 @@ function process(d, expr)
         @match x begin
             a_[idx_] => a in magic_names ? Symbol(a, idx) : :($a[begin + $idx])
             (a_ = b_) => (push!(known_names, a); :($a = $b))
-            (a_ += b_) => a in known_names ? :($a += $b) : (push!(known_names, a); :($a = $b))
-            (a_ -= b_) => a in known_names ? :($a -= $b) : (push!(known_names, a); :($a = -$b))
+            (a_ += b_) => a in known_names ? :($a += $b) :
+                          (push!(known_names, a); :($a = $b))
+            (a_ -= b_) => a in known_names ? :($a -= $b) :
+                          (push!(known_names, a); :($a = -$b))
             TaylorScalar(v_) => :(TaylorScalar(tuple($([Symbol(v, idx) for idx in 0:d[:P]]...))))
             _ => x
         end

test/primitive.jl

@@ -50,10 +50,10 @@ end
     # end
 end
 
-@testset "Multi-argument functions" begin 
-    @test derivative(x -> 1 + 1/x, 1.0, Val(1))≈-1.0 rtol=1e-6
-    @test derivative(x -> (x+1)/x, 1.0, Val(1))≈-1.0 rtol=1e-6
-    @test derivative(x -> x/x, 1.0, Val(1))≈ 0.0 rtol=1e-6
+@testset "Multi-argument functions" begin
+    @test derivative(x -> 1 + 1 / x, 1.0, Val(1))≈-1.0 rtol=1e-6
+    @test derivative(x -> (x + 1) / x, 1.0, Val(1))≈-1.0 rtol=1e-6
+    @test derivative(x -> x / x, 1.0, Val(1))≈0.0 rtol=1e-6
 end
 
 @testset "Corner cases" begin