On Fri, Nov 5, 2021 at 3:20 AM liuhongt wrote:
>
> > Note that this is not safe with -fsignaling-nans, so needs to be disabled
> > for that option (if there isn't already logic somewhere with that effect),
> > because the extend will convert a signaling NaN to quiet (raising
> > "invalid"), but
> Note that this is not safe with -fsignaling-nans, so needs to be disabled
> for that option (if there isn't already logic somewhere with that effect),
> because the extend will convert a signaling NaN to quiet (raising
> "invalid"), but copysign won't, so this transformation could result in a
>
