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Re: sky is falling, again ? [message #75614 is a reply to message #75611]

Wed, 16 March 2011 10:06

Kenneth P. Bowman
Messages: 585
Registered: May 2000

Senior Member

In article <8uc870F5jqU1@mid.dfncis.de>,
Fabzou <fabien.maussion@tu-berlin.de> wrote:

> On 03/16/2011 03:54 PM, Norbert Hahn wrote:
>> nata<bernat.puigdomenech@gmail.com> wrote:
>>
>> with the number of milliseconds missing. But you are close to
>> the next minute.
>> As usual with quantized values, the last digit may be wrong.
>>
>> Norbert
>
> Because of this problem, we now defined our own time system based on
> "milliseconds since ..." (working with LONG64 formats to be sure). It
> works nice, but it was a long (and a bit boring) work to make it
> flexible and stable.
>
> I was wondering what are you people doing?
>
> Fab

I have a small library to do date and time calculations that are
exact to the second using structures and integer arithmetic. It
could be modified to add a millisecond or microsecond field.

You can download it here

http://idl.tamu.edu/idl/Downloads.html

(see bowman_lib.zip)

Ken Bowman

IDL> date1 = MAKE_DATE(2011, 3, 16, 12, 4, 0)
IDL> date2 = MAKE_DATE(2011, 3, 17, 12, 4, 0)
IDL> print, TIME_DIFF(date2, date1)
86400
IDL> print, MAKE_ISO_DATE_STRING(date1)
2011-03-16 12:04:00
IDL>

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[Message index]

		Re: sky is falling, again ? By: natha on Wed, 16 March 2011 11:25
		Re: sky is falling, again ? By: Fabzou on Wed, 16 March 2011 10:53
		Re: sky is falling, again ? By: R.Bauer on Wed, 16 March 2011 10:38
		Re: sky is falling, again ? By: Kenneth P. Bowman on Wed, 16 March 2011 10:06
		Re: sky is falling, again ? By: Fabzou on Wed, 16 March 2011 09:52
		Re: sky is falling, again ? By: Norbert Hahn on Wed, 16 March 2011 07:54

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