On Sat, Nov 20, 2010 at 10:38 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: > The trouble with that approach is that you have to depend on the > direction of rounding for negative quotients. Which was unspecified > before C99, and it's precisely pre-C99 compilers that are posing a > hazard to the current coding.
Interesting. I wondered whether there might be compilers out there that handled that inconsistently, but then I thought I was probably being paranoid. > Likewise for the int64 case, which BTW is no safer for pre-C99 compilers > than it was yesterday: LL is not the portable way to write int64 > constants. Gah. I wish we had some documentation of this stuff. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
