allow package to work with latest Measurements.jl release, fix typos

Project.toml

@@ -1,16 +1,16 @@
 name = "ForwardDiffOverMeasurements"
 uuid = "9eb8ae02-809e-4b16-afbc-1cadb820c769"
 authors = ["longemen3000 <[email protected]> and contributors"]
-version = "0.1.3"
+version = "0.1.4"
 
 [deps]
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 Measurements = "eff96d63-e80a-5855-80a2-b1b0885c5ab7"
 
 [compat]
 julia = "1"
-ForwardDiff = "0.10"
-Measurements = "2 - 2.8"
+ForwardDiff = "0.10 - 0.10.36"
+Measurements = "2"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

src/ForwardDiffOverMeasurements.jl

@@ -3,9 +3,22 @@ module ForwardDiffOverMeasurements
 using ForwardDiff: Dual, DiffRules, NaNMath, LogExpFunctions, SpecialFunctions,≺
 using Measurements: Measurement
 import Base: +,-,/,*,promote_rule
-using ForwardDiff: AMBIGUOUS_TYPES, partials, values
+using ForwardDiff: AMBIGUOUS_TYPES, partials, values, Partials, value
 using ForwardDiff: ForwardDiff
 
+#patch this until is fixed in ForwardDiff
+
+#TIL you can actually dispatch on @generated functions
+@generated function ForwardDiff.construct_seeds(::Type{Partials{N,V}}) where {N,V<:Measurement}
+    return Expr(:tuple, [:(single_seed(Partials{N,V}, Val{$i}())) for i in 1:N]...)
+end
+
+#needs redefinition here, because generated functions don't allow extra definitions
+@generated function single_seed(::Type{Partials{N,V}}, ::Val{i}) where {N,V,i}
+    ex = Expr(:tuple, [ifelse(i === j, :(oneunit(V)), :(zero(V))) for j in 1:N]...)
+    return :(Partials($(ex)))
+end
+
 function promote_rule(::Type{Measurement{V}}, ::Type{Dual{T, V, N}}) where {T,V,N}
     Dual{Measurement{T}, V, N}
 end

test/runtests.jl

@@ -7,11 +7,11 @@ f1(x,y) = x+y
 f2(x,y) = x-y
 f3(x,y) = x*y
 f4(x,y) = x/y
-
+f5(x,y) = muladd(x,y,1)
 @testset "ForwardDiffOverMeasurements.jl" begin  
     x1 = 1.0 ± 0.1
     y1 = 2.0 ± 0.001
-    for op in (:f1,:f2,:f3,:f4)
+    for op in (:f1,:f2,:f3,:f4,:f5)
         @eval begin
             @test ForwardDiff.derivative(x->$(op)(x,$y1),$x1) isa Measurement
             @test ForwardDiff.derivative(y->$(op)($x1,y),$y1) isa Measurement