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use oneunit(T) in construct_seeds #659

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use oneunit(T) in construct_seeds #659

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a2d4140
add measurements to test
longemen3000 Aug 9, 2023
d7fae69
`one(T)` -> `oneunit(T)`
longemen3000 Aug 9, 2023
1fbd4c7
add test with Measurements.jl
longemen3000 Aug 9, 2023
f3b976e
add `oneunit(x::Dual)`
longemen3000 Aug 9, 2023
81c3891
Update src/dual.jl
longemen3000 Aug 9, 2023
a897f71
primal -> value
longemen3000 Aug 9, 2023
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7 changes: 4 additions & 3 deletions Project.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name = "ForwardDiff"
uuid = "f6369f11-7733-5829-9624-2563aa707210"
version = "0.10.36"
version = "0.10.37"

[deps]
CommonSubexpressions = "bbf7d656-a473-5ed7-a52c-81e309532950"
Expand Down Expand Up @@ -35,12 +35,13 @@ ForwardDiffStaticArraysExt = "StaticArrays"
Calculus = "49dc2e85-a5d0-5ad3-a950-438e2897f1b9"
DiffTests = "de460e47-3fe3-5279-bb4a-814414816d5d"
InteractiveUtils = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
Measurements = "eff96d63-e80a-5855-80a2-b1b0885c5ab7"
SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"

[targets]
test = ["Calculus", "DiffTests", "SparseArrays", "Test", "InteractiveUtils", "StaticArrays"]
test = ["Calculus", "DiffTests", "SparseArrays", "Test", "InteractiveUtils", "StaticArrays", "Measurements"]

[weakdeps]
StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
3 changes: 3 additions & 0 deletions src/dual.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -360,6 +360,9 @@ end
@inline Base.one(d::Dual) = one(typeof(d))
@inline Base.one(::Type{Dual{T,V,N}}) where {T,V,N} = Dual{T}(one(V), zero(Partials{N,V}))

@inline Base.oneunit(d::Dual{T}) where {T} = Dual{T}(oneunit(value(d)), zero(partials(d)))
@inline Base.oneunit(::Type{Dual{T,V,N}}) where {T,V,N} = Dual{T}(oneunit(V), zero(Partials{N,V}))

@inline function Base.Int(d::Dual)
all(iszero, partials(d)) || throw(InexactError(:Int, Int, d))
Int(value(d))
Expand Down
2 changes: 1 addition & 1 deletion src/partials.jl
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Expand Up @@ -7,7 +7,7 @@ end
##############################

@generated function single_seed(::Type{Partials{N,V}}, ::Val{i}) where {N,V,i}
ex = Expr(:tuple, [ifelse(i === j, :(one(V)), :(zero(V))) for j in 1:N]...)
ex = Expr(:tuple, [ifelse(i === j, :(oneunit(V)), :(zero(V))) for j in 1:N]...)
return :(Partials($(ex)))
end

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5 changes: 5 additions & 0 deletions test/MiscTest.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ using Test
using ForwardDiff
using DiffTests
using SparseArrays: sparse
using Measurements: Measurements

include(joinpath(dirname(@__FILE__), "utils.jl"))

Expand Down Expand Up @@ -158,4 +159,8 @@ end
@test ForwardDiff.derivative(x -> rem2pi(x, RoundUp), rand()) == 1
@test ForwardDiff.derivative(x -> rem2pi(x, RoundDown), rand()) == 1

#issue 651, using Measurements
f651(x) = 2.1*x + 1
@test ForwardDiff.derivative(f651,Measurements.measurement(1.0, 0.001)) == 2.1

end # module
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