Author rhettinger
Recipients mark.dickinson, rhettinger, steven.daprano, tim.peters
Date 2021-11-26.21:18:42
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> Note that, on Windows, ldexp() in the presence of 
> denorms can truncate. Division rounds, so
>    assert x / 2**i == ldexp(x, -i)
> can fail.

Objects/longobject.c::long_true_divide() uses ldexp() internally.  Will it suffer the same issues with subnormals on Windows?  Is CPython int/int true division guaranteed to be correctly rounded?
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