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Conversion to Double #13

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kewp opened this issue Mar 15, 2019 · 2 comments
Closed

Conversion to Double #13

kewp opened this issue Mar 15, 2019 · 2 comments

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@kewp
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kewp commented Mar 15, 2019

I have a function which returns a var. How do I then do a calculation such as fabs(a-0.001)? I'm getting the error

error: cannot convert ‘autodiff::var’ to ‘double’ in assignment
@kewp
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kewp commented Mar 15, 2019

I got it - val(a) :)

@kewp kewp closed this as completed Mar 15, 2019
@allanleal
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Hmmm maybe ir makes sense to overload fabs (and also abs) in autodiff, so that you don't need to use val at all.

@allanleal allanleal mentioned this issue Mar 15, 2019
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@kewp @allanleal