Dean Rasheed writes:
> On Thu, 16 Jul 2020 at 20:29, Tom Lane wrote:
>> One thing that's not very clear to me is which of these spellings
>> is preferable:
>> if (unlikely(val2 == 0.0) && !isnan(val1))
>> if (unlikely(val2 == 0.0 && !isnan(val1)))
> My guess is that the first would be
On Thu, 16 Jul 2020 at 20:29, Tom Lane wrote:
>
> Dean Rasheed questioned this longstanding behavior:
>
> regression=# SELECT 'nan'::float8 / '0'::float8;
> ERROR: division by zero
>
> After a bit of research I think he's right: per IEEE 754 this should
> yield NaN, not an error. Accordingly I p
