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isapprox throws an error #51

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dlfivefifty opened this issue Mar 13, 2017 · 0 comments

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dlfivefifty commented Mar 13, 2017

I think real(::Type{Dual{T}}) needs to be overriden:

julia> dual(1.0,1.0) ≈ dual(1.0,1.0)
ERROR: MethodError: no method matching real(::Type{DualNumbers.Dual{Float64}})
Closest candidates are:
  real(::Complex{T<:Real}) at complex.jl:36
  real(::Real) at complex.jl:38
  real{T<:Real}(::Type{T<:Real}) at complex.jl:42
  ...
 in isapprox(::DualNumbers.Dual{Float64}, ::DualNumbers.Dual{Float64}) at ./floatfuncs.jl:251

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