Check gpuArray double or single?

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covariant_cat
covariant_cat 2017-11-27
评论： Steven Lord 2017-11-27
I'm pretty sure a gpuArray has a type (e.g., single or double). But i'm not sure how to check it. The function isa does not work for gpuArray.
A = gpuArray(single(1));
B = gpuArray(double(1));
isa(B,'double')
isa(B,'single')
You get both 0s.
Ref: https://www.mathworks.com/help/matlab/ref/isa.html
Thanks!

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回答（1 个）

Steven Lord
Steven Lord 2017-11-27
The isa function works fine, but it answers a different question than you want to be answered. Instead, ask your question using the classUnderlying function.
  2 个评论
Steven Lord
Steven Lord 2017-11-27
Right, classUnderlying came to my mind first and I forgot to check for a function that is to isa like classUnderlying is to class. Use isaUnderlying as Joss suggested.

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