"Norman Young" <nbyoung(at)westernavionics(dot)com> writes:
> Description: atan2(0, 0) ERROR: input is out of range on Solaris
Actually, I'd argue that it's the Linux atan2() that's broken. But
in any case, what you're looking at is a difference in the behavior
of the underlying library functions on the two platforms. We do not
try to second-guess libm ...
regards, tom lane