On Thu, Jun 2, 2011 at 11:22, Christopher Barker <chris.bar...@noaa.gov> wrote: > Charles R Harris wrote:
>> * Leap seconds probably deserve a rigorous treatment, but having an >> internal representation with leap-seconds overcomplicates otherwise very >> simple and fast operations. > > could you explain more? I don't get the issues -- leap seconds would com > e in for calculations like: a_given_datetime + a_timedelta, correct? > Given leap years, and all the other ugliness, does leap seconds really > make it worse? Yes. Leap years are calculated by a fixed, reasonably efficient algorithm. Leap seconds are determined by committee every few years based on astronomical observations. We would need to keep a table of leap seconds up to date. -- Robert Kern "I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth." -- Umberto Eco _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
