[ET Trac] [Einstein Toolkit] #449: Check for periodicity of initial data with Periodic thorn

[Einstein Toolkit]

#449: Check for periodicity of initial data with Periodic thorn
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  Reporter:  hinder       |       Owner:          
      Type:  enhancement  |      Status:  new     
  Priority:  minor        |   Milestone:          
 Component:  Other        |     Version:          
Resolution:               |    Keywords:  Periodic
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Comment (by rhaas):

 if we add this functionality to Periodic. Should it also be added to the
 Reflection/Rotating symmetry thorns? There might actually be initial data
 thorns out there that actually rely on the symmetry thorn to enforce
 symmetries and do not set anything in eg. what look like ghost zones
 (which will be filled in by symmetry/SYNC). An example would be an ID
 thorn that uses numerical derivatives eg. to get Kij from the metric, its
 time derivative and the spatial derivative of beta (ie. CalcK).
 Are ID thorns required to fill in everything or just the interior?

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/449#comment:1>
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