Am Montag, 21. Mai 2007 07:04 schrieb Shachar Shemesh: > In other words, if I offer a > format that is assured of preserving both mantissa and exponent > precision and range, as well as all extra attributes (+/-Infinity and > NaN), but does not guarantee that the semantically identical constructs > are told apart (+0 vs. -0, and the different NaNs), would that format be > acceptable?
I don't think so. We have fought many years to get closer to IEEE 754 conformance. I don't think we want to throw that away without a good reason. "I want to use the binary format but I don't like what it does." is not a good enough reason in my mind. For one thing, I'd want to see some performance measurements. -- Peter Eisentraut http://developer.postgresql.org/~petere/ ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
