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16 points

I guess you can always just add an assert not data.isna().any() in strategic locations

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31 points

That could be a nice way. Sadly it was in a C++ code base (using tensorflow). Therefore no such nice things (would be slow too). I skill-issued myself thinking a struct would be 0 -initialized but MyStruct input; would not while MyStruct input {}; will (that was the fix). Long story.

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12 points

I too have forgotten to memset my structs in c++ tensorflow after prototyping in python.

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5 points
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If you use the GNU libc the feenableexcept function, which you can use to enable certain floating point exceptions, could be useful to catch unexpected/unwanted NaNs

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2 points

Oof. C++ really is a harsh mistress.

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1 point

Oof. This makes me appreciate the abstractions in Go. It’s a small thing but initializing structs with zero values by default is nice.

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3 points
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If (var.nan){var = 0} my beloved.

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2 points

It also depends on the context

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