[Cfp-interest 3239] Re: Can nan() set errno?

[Fred J. Tydeman]

On Wed, 21 Aug 2024 17:42:17 -0700 Jim Thomas wrote:
>
>> Suppose, this long string to nan() were treated as a range error (overflow).
>
>Does some implementation do this? An implementation isn't permitted to add a range errors unless the floating result overflows or underflows. 

glibc sets errno to ERANGE if there are lots of digits in the string.



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