=?iso-8859-1?Q?R=E9mi_Zara?= <remi_zara(at)mac(dot)com> writes:
> I've tried patch 1 and 2, but they do not work. The fact is that the code is not used in the backend, because strtod("NaN", endptr) works. (isnan(strtod("NaN", endptr)) is true).
Hmm. So what do you get from
SELECT 'nan'::numeric::float8;
on that machine? That should exercise the backend's version of
get_float8_nan().
regards, tom lane