WP34s: date functions and negative years
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01-18-2015, 01:01 AM
Post: #9
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RE: WP34s: date functions and negative years
From memory, there were a number of questions poised on the other thread seeking to determine which of the several wrong possibilities was the most desirable. These questions were not answered, so I didn't implement anything. What we have now is correct as per the documentation -- it is quite explicate that dates before 8AD can be wrong.
We (Walter and I) decided early on to not support dates before the year zero. I thus take the absolution value of inputs in years. I didn't do this for JDNs since they are genuinely useful pre year 0, it is only the conversion to Julian dates that aren't.
Once we work out which wrong is best, I can fix. - Pauli |
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