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Implement complex for dual arguments #90

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Merged
dlfivefifty merged 4 commits into from
Mar 6, 2022
Merged

Implement complex for dual arguments #90

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9958274
Implement complex wrappers
sethaxen Mar 5, 2022
80970d3
Test complex implementations
sethaxen Mar 5, 2022
e935d31
Increment version number
sethaxen Mar 5, 2022
f5a6d29
Overload complex for types
sethaxen Mar 5, 2022
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Overload complex for types
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@sethaxen
sethaxen committed Mar 5, 2022
commit f5a6d293afafab854d623734d46d7d6b4af75ac6
1 change: 1 addition & 0 deletions src/dual.jl
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Expand Up @@ -44,6 +44,7 @@ function Base.complex(x::Dual, y::Dual)
end
Base.complex(x::Real, y::Dual) = complex(dual(x), y)
Base.complex(x::Dual, y::Real) = complex(x, dual(y))
Base.complex(::Type{Dual{T}}) where {T} = Dual{complex(T)}

const realpart = value
const dualpart = epsilon
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3 changes: 2 additions & 1 deletion test/automatic_differentiation_test.jl
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Expand Up @@ -205,7 +205,8 @@ test(x, y) = x^2 + y
@test complex(1, dual(2, 3)) == dual(complex(1, 2), complex(0, 3))
@test complex(dual(1, 2), 3) == dual(complex(1, 3), complex(2, 0))
@test complex(dual(1, 2)) == dual(complex(1, 0), complex(2, 0))

@test complex(Dual128) === DualComplex256
@test complex(Dual64) === DualComplex128

# test for flipsign
flipsign(Dual(1.0,1.0),2.0) == Dual(1.0,1.0)
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