Tom Lane wrote: > Michael Paesold <[EMAIL PROTECTED]> writes: > > Would you mind reporting this to RedHat Bugzilla? I believe a bug report > > from you would have more weight then mine, because you actually > > understand what's going on here. :-) > > Actually, given the thought that this may be an artifact of keeping an > intermediate value in a wider-than-normal register rather than genuinely > rearranging the computation, I'm not certain it is a compiler bug. > We'd have to study it a lot more closely before filing it as one, anyway. > > If you accept the idea that the pentium4 answer is the right one, > then what we really need to do is focus on a better rounding rule than > "strict truncation". I was toying with the notion of adding the > equivalent of half a microsecond to the fractional-day value before > truncating it to integer. But I'm not certain that that wouldn't have > some bad effects in other cases.
Looking at the code, do we need additional rint() calls in there, or rint(x + 0.5)? Frankly, I am confused why interval_div() has caused such problems for us? Are we going at this the right way? -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly
