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Review Committee Meeting Monday 28 January 2008 08:00 Pacific / 11:00 Eastern

Minutes: Monday 28 January 2008 08:00 Pacific / 11:00 Eastern

Agenda and Contact Info

Agenda

  1. Review of BurstMDC Simulation
  2. A.O.B.

Contact Info

InterCall telecon service:
   Phone: 1-866-380-5536, participant code: 435 672 9587 #
   International callers ++1-816-249-4731 with same code
   International access numbers (~10 cents/min surcharge for LIGO Lab):
      Paris 017 080 7156 ;
      Lyon 042 603 0036 ;
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   Handy participant command:  Press *6 ["*M"] to mute, #6 to unmute
  1. Review of BurstMDC Simulation GPS utilities code [HTML ]
    • general: would be easier just doing basic arithmetic operations on int64 nanoseconds
    • general: choice of floor vs. fix vs. normal rounding -- would like operation and inverse operation to indeed be inverses
    • gpssum: probable bug when gps times are negative
    • general: prefer 1e9 to 1000000000.0 etc.
    • Do tests of the add, diff, cmp functions roughly like this: step with increments of 0.1 s from -10 s (relative to the GPS epoch) to +10 s for t1 and t2 and compute the various relations... add(t1,t2), diff(t1,t2), cmp(t1,t2).
    • Do tests to make sure that time2gps(gps2time(t)) is a no-op. Try this for various sub-ns rounding cases, for both positive and negative times.
  2. Patrick is going through dependency trees. Will report next week.
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