Chapman Flack <chap@anastigmatix.net> writes:
> C99 finally pinned down what / does on signed ints, truncating toward zero.
> Before that, it could truncate toward zero, or floor toward -inf.
> Is PostgreSQL built on any compilers/platforms that have the floor
> behavior?
I'm not sure if we still have any buildfarm animals that act that way[1],
but the project policy is that we target C90 not C99. So wiring in any
assumptions about this would seem to be contrary to policy.
regards, tom lane
[1] gaur/pademelon might, but it's turned off and 300 miles away, so
I can't check right now.