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Unexpected NaN from sqrt() #164

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hypcos opened this issue Mar 25, 2024 · 0 comments

hypcos commented Mar 25, 2024 •

edited

I expected that X.sqrt() should give similar result to X.pow(0.5), but it doesn't.
Especially when the layer is 1.
Example:

> new Decimal(1e-16).pow(0.5)+''
< '1.000000000000002e-8'
> new Decimal(1e-16).sqrt()+''
< 'NaN'
> new Decimal(1e16).neg().pow(0.5)+''
< 'NaN'
> new Decimal(1e16).neg().sqrt()+''
< '99999999.99999979'

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