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 thread  Author  Topic: Upper limit of TIME variable  (Read 569 times)
JGHarston
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xx Re: Upper limit of TIME variable
« Reply #3 on: Feb 5th, 2014, 09:05am »

on Feb 1st, 2014, 09:31am, marcellooct1942 wrote:
Just for precaution all variables concerned with comparison against TIME are zeroized once a day as well as TIME is.
What I prefer to do is not zero TIME, but subtract 24*60*60*100, something like:
REPEAT
T%=TIME
IF T%>=8640000 THEN TIME=TIME-8640000
UNTIL T%<8640000

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marcellooct1942
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xx Re: Upper limit of TIME variable
« Reply #4 on: Feb 5th, 2014, 09:13am »

Good point.... I accept the suggestion.
The constant shall be subtracted both from TIME and from all the variables used in the program that are compared against TIME.
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xx Re: Upper limit of TIME variable
« Reply #5 on: Feb 5th, 2014, 12:05pm »

on Feb 5th, 2014, 09:05am, JGHarston wrote:
What I prefer to do is not zero TIME, but subtract 24*60*60*100

Yes, and of course you can choose to subtract anything convenient - it doesn't have to be a period of one day. You could for example round it up to 10000000 centiseconds.

But I still think that, since (unsigned) TIME won't 'wrap around' until the program has been running for more than 16 months, it's hardly worth bothering.

Richard.
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