[ET Trac] [Einstein Toolkit] #1651: Problems with expansions in parameter files

[Einstein Toolkit]

#1651: Problems with expansions in parameter files
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  Reporter:  hinder  |       Owner:  sbrandt            
      Type:  defect  |      Status:  accepted           
  Priority:  major   |   Milestone:                     
 Component:  Cactus  |     Version:  development version
Resolution:          |    Keywords:                     
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Comment (by hinder):

 It might be that what Roland is suggesting is better, but I would point
 out that requiring "set before use" might impose unnecessary structure on
 your parameter file.  For example, you may want to put parameters into
 logical sections ("initial data", "evolution", "grid structure") etc, and
 having the requirement of "set before use" might lead to circular
 dependencies.  I don't have an example, and I don't know if this would
 happen in practice, and it might indeed be easier to debug if we do it
 Roland's way, but I just wanted to mention this aspect here.  I would be
 happy with a version which required "set before use" initially, and if we
 find it would be useful to relax the requirement, it could be changed
 later, without loss of backward compatibility.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1651#comment:10>
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