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implement re_abs() and re_sign() #173

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amcostant opened this issue Aug 15, 2019 · 0 comments
Open

implement re_abs() and re_sign() #173

amcostant opened this issue Aug 15, 2019 · 0 comments

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@amcostant
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amcostant commented Aug 15, 2019 •
edited

@isuruf
I noticed that there is no way to take the derivative of abs() in Julia as it does not specify if the argument is real when using ccall, thus it would be nice to have the ability to take derivatives of them assuming the argument is real.
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