On Sat, Oct 24, 2020 at 2:04 PM John Cowan <xxxxxx@ccil.org> wrote:

True.  But it's more than just a non-portable implementation, it's that the *results* are non-portable if (say) the implementation maps all quiet NaNs that bubble up from C into a single one.  This would be sensible when NaN-boxing.  So it is useless.

Okay, I'll wait for Wolfgang's response, too.  And Emmanuel's?

Ok for me to withdraw as it makes no sense.

Regards,

Emmanuel