Re: POSIX and float rounding

[Guy Harris <gharris () sonic net>]

On Mar 19, 2026, at 10:23 AM, Guy Harris <gharris () sonic net> wrote:

> So, in the environment on your QNX box, the IEEE 754-2019 default appears *not* to be implemented, as it's doing 
> roundTiesToAway.

        https://www.qnx.com/developers/docs/6.5.0SP1.update/com.qnx.doc.neutrino_prog/posix_conformance.html

says

        For the fprintf() function, the low-order digit rounding for numbers in double format is round-to-nearest.

and appears to be completely silent on which IEEE 754 "what about ties?" flavor it implements.

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