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Changes from #908 lead to NaNs in AD jacobians for methods using norm2 on StaticArray types #963

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ferrolho opened this issue Oct 5, 2021 · 0 comments

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@ferrolho
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ferrolho commented Oct 5, 2021

I recently opened this issue on ForwardDiff.jl: JuliaDiff/ForwardDiff.jl#547. @KristofferC identified #908 as the PR that introduced the breaking changes; see his comment here: #908 (comment). @mateuszbaran said this is because of a missing check in StaticArrays.jl for norm2, which LinearAlgebra already does; see his comment here: #908 (comment).

I am not familiar with the internals of StaticArrays.jl, so any help with this is be much appreciated. Thank you!

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